Anybody in the market for high-end luxury cars will have at least considered vehicles made by the classic car manufacturers BMW and Audi. The present version, the 2017 onwards model, finished up in firstplace out of eight cars in the luxury car class if powered by petrol. Worst 2012 BMW 740 Problems by Category Find something helpful? Injectors are one of the more common failure items. 5 liter engine has cancer. The relay can be taken apart and re-soldered. The good news, the parts cost less than $60 here . Get help answering any questions you have. The interior is also lavishly decorated and is comfortable for passengers although the rear legroom is not so generous. incorrect and the EGS flags a Trans Prog Error. The reworked suspension was aluminum-intensive with a new multi-link rear setup, and the unibody frame was a whopping 70% stiffer than the outgoing car. Do BMW 7 series have problems? During that time, there's also a 40.39 percent risk that a 7 Series will need major repairs. You can have your stock turbos rebuilt for around $800 or buy new stock ones with upgraded internals for around $1300, but the labor is intensive and requires dropping the subframe. With a starting price of $86,800, the 2021 BMW 7 Series cost is about average for the class. The problem is that the bolts cannot be, tightened too much as they will be damaged due to the hollow construction and they eventually come loose and this starves the front lobes of. However, they do have some weak points. Tips And Tricks. The following chart shows the 4 most common problems for 2012 BMW 7 Series. The downside, however, is that there is the dreaded Variable Valve "VANOS Rattle." Scheduled maintenance usually can catch this issue, but neglecting it can be costly! Withthe mounts being stiffer, the engine has far less movement under hard driving situations. On multi-port injected cars, gasoline is constantly shooting on the intake valves. Rather than just having a couple of ballast resistors as was seen in lesser models, the E32 has a continuously-, adjustable speed control. Also, because the engine isn't running the water pump, it ever so slightly takes stress and load off the engine making it more fuel efficient and powerful. Heres a complete guide on why theyre so popular, what to look for when buying one, and what could go wrong in the future. Spread the word. Depending on which part is failing, you'll also need to replace the coil bag, camshaft, or crankshaft sensor. More than three-quarters of those cars remained driveable and half were repaired in a day or less. The constant velocity or CV axles are an integral part of any motor vehicle, transferring power from the cars transmission to the wheels. BMW CCV system are notoriously failure prone, leading to high oil consumption, burning oil, loss of power, misfiring, and high carbon deposits. Also, when you pull your coils, you will see oil pooling in the spark plug holes. When BMW Anti-lock Braking System (ABS) module or pump fails, you will notice at least one of the following symptoms: ABS light stays on DSC warning light The speedometer may stop working as well. We have a limited number of reviews for the. It can leak internally causing your oil and coolant to mix, or it can leak externally causing oil todrip/spray onto the drive belt components. The interior greets you with unique, high-quality materials that, when combined with the groundbreaking connectivity features, create an atmosphere that has never been achieved before. That is, until the car was just outside the 50K miles warranty. Sometimes this issue can be fixed by replacing the boot of the axle the part that keeps water and dirt out of the moving parts but if the damage is too severe, you can end up having to replace the CV axle. The problem can be resolved, however, by replacing the window regulator. cleaner on the contacts.that usually cures the fault. is because a relay is used across the FET's at full-speed. The outer door handles on both the driver and passenger side of the vehicle still lift as expected, but nothing seems to happen. Most people are familiar with the fuse box in their home, but not everyone knows that cars have their own fuse boxes too and that is definitely the first place to look if the electronics in your BMW have kicked the bucket. The temperature-rise is usually halted by the the auxiliary fan (A/C fan) which, will operate independently to the A/C system when required. Practicality & boot space. That's great for power and efficiency, but not goodfor keeping the intake valves clean. Still, when all else has failed it. How Can Frame Damage Decrease Your Vehicles Resale Value? Trending topics in reviews Pros comfort appearance. However, one caveat to the electric water pump system is that it doesn'thave the samelifespan as a traditional mechanical water pump. The cars themselves have a few recurring flaws, too, and regular owners of either BMW or Audi cars will soon become familiar with the same mechanical failings. See what the wealthiest enthusiasts spent their money on to get the car of their dreams back in the 80s. The oil filter housing gasket is a known gasket that can leak on the N54 powered cars. We recommend a non-genuine component, which provides the same functionality and reliability as the genuine components, just without the price. new power steering pump and arms. Gets too hot so the oil seals leak and then come the hoses for the cooling system. They can reliably run 15psi without issue, and some people are running23psi withjust fueling modifications. by Ewan Kennedy Ewan Kennedy road tests and reviews the used 1994-2014 BMW 7 Series. re-gassing gets things going again successfully. BMW 7 SERIES COMMON PROBLEMS! When you think of robust straight-six engines that have the potential to make a lot of power, what do you think of? Less oil in the engine increases wear and tear and can lead to other mechanical problems. This is another problem that the E32 shares with the E38. Both the E32 and the E38 7-Series can suffer from the dreaded 'shimmy'. shifter (marked SE* on the V8's). Low battery. Table 1. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Top BMW 740i Problems Valve Cover, Intake Manifold, PCV Plate Oil Leaks 23 people have reported this 6 Multiple Power Steering Hoses May Simultaneously Fail 22 people have reported this 7 Front Tension Strut Bushings May Fail 19 people have reported this 6 Multiple Parts May be Recommended For Leaks in Cooling System 15 people have reported this 3 JavaScript is disabled. Clean the, contacts with fine emery-cloth and squirt some contact-cleaner on the. The gasket itself is cheap and isn't too tough of a job if you're familiar with working on cars. unless the oil fills up the spark-plug holes! Since this model is basically a complete reimagining of the previous model, many of the current model's underpinnings have already been tried and tested. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Experts Tips And Tricks, Where To Buy A Used Engine? The lack of lubrication is due to the loosening of hollow bolts, known as 'Banjo Bolts'. If your oil pan starts leaking, Id recommend doing some other maintenanceand/or modifications at the same time such as water pump/thermostat, or turbo upgrade and replacement. Especially if you're a prospective Audi owner. The check engine light may turn on with the first two signs. The turbos on the N54 are good for what they are, and they are under-boosted from the factory. Content on bimmerfest.com is generated by its users. Excess oil consumption (more than 1qt per 5-7 days) If you have white smoke coming out of the exhaust, it's probably your valve stem seals. It could also cause the engine to shut down. 2017 BMW 7 Series Common Problems: Everything You Need to Know! present on early models. usually disappears as the car speed reduces. 4 problems have been reported for the 2012 BMW 7 Series. Found in numerous BMWs for over a decade, the N54 has become one of the most popular engines that BMW has ever produced. This is aprevalent issue, but its not just N54 specific. Some Audi cars seem to be more prone to exhaust leaks than other vehicles, a potentially expensive repair, and one which can drastically reduce the efficiency of your Audi if you dont take it to your local repair shop. If allowed the time I would be able to check out those items you mention., except would not know how to check rear subframe bushings. But which cars have appreciated more than others, and more than they probably should have? . The other clue is an unusual sweet smell coming from your heating system; this is the coolant, and when it starts to leak, it can soon find its way into the heater core. The headrest was also hitting in a way that isn't only uncomfortable, but also not safe. The coolant temperature warning light may come on as well if the engine is unable to be cooled off properly. The 2002 E65 7 Series was a major advancement in terms of comfort, luxury features, and scale. The list will continue to evolve through time and everyone has their favorites. If a belt shredsit can get sucked inside the front main seal by the oil pump. What Happens When An Engine Is Seized From Sitting? BMW X5 Single DVD Player & Display 2007 to 2013 Part Number: Model Number: Common Problem: DVD player shows error, Plays CD but not DVD, Does not accept disc. The fault will show itself when the car is stationary when it will rapidly overheat. Buy on the official website BMW glove box flash Light E39 E38 E65 E66 E46 E60 M5 540i 740iL 528i Nice! When the engine isn't working right, it can be felt. Carbon build up on the intake valves can cause throttle lag, loss of power, lessenedfuel economy, misfiring under load, and even valve-train noise. It is claimed in Tonga that he is a BimmerWhisperer. The relay can be taken apart and re-soldered. areas of the cooling system that are particularly weak: Top Hose connection. How Long Do Ford Mustangs Last? If the high-pressure fuel pump in your BMW is performing below par, the only solution is to fix it, which is not a cheap repair if the car is out of warranty. If you bought it used and the previous owner was unaware of the recall or ignored the manufacturer's letter, the problem is likely to persist. Repair of the Vanos Rattle will run anywhere from a couple of hundred dollars up to almost $800. They are asked to identify problems that they considered serious (because of. Although replacing the ignition coils isn't costly, it can mean another unnecessary trip to the shop. But the price rises up to $103,000 for the more sporty model 750i and skyrockets up to $157,800 for the M760i variant, which is powerful. In 2018 the E32s are disappearing quickly, and one of the major problems (especially in the UK) is rust, a problem with all, cars, and the E32 suffers no more than than any other BMW, The following list is in order of highest to lowest chance of problems, Both the E32 and the E38 7-Series can suffer from the dreaded 'shimmy'. The cars coolant system and heater core are closely related, so it is hardly surprising that they both have problems with chronic failures. correctly and then remove the connector to the motors. Call Us Today! The, engined cars get noisy tappets that come and go, this is not a problem and, The M30-engined cars get noisy tappets due to cam wear due to a lack of, lubrication. Updated February 2022: Audi and BMW are both masters of luxury, but reliability is not something either brand is really known for. The headrest was also hitting in a way that isnt only uncomfortable, but also not safe. Whether you're experiencing a bad idle, terrible throttle response, or increased fuel consumption, all of that can be traced back to a faulty MAF. These vehicles may exhibit the following symptoms: Illumination of the 'Service Engine Soon' warning (Malfunction Indicator Light); Great looking inside and out. When the clutch is cold the fan, idles and can be stopped with a rolled-up newspaper (the usual test), once the clutch is hot the fan is driven with a much greater torque and, produces a great deal of air-flow. Unfortunately, this will require the BMW owner to replace the entire door opening and locking mechanism, which is located within the door itself. The usual problem is that the clutch fails and the fan cannot, produce enough air-flow. Before you even get into your BMW, you'll be greeted by the Welcome and Goodbye light staging. CCCP mentioned many more issues as well. The oil seals and other repair due to the over heating of the engine $12,000. The Toyota 2JZ and the Nissan RB26DETT might be what first comes to mind. 2023 . Failure of the sword is usually due to a blocked Microfilter, the driver, increases the fan-speed to compensate but the airflow across the FET's is, insufficient to cool them. Over time, as the motor mounts wore, the engine would have excessive play during hard cornering or acceleration leading to thepower steering pulleyhitting the subframe causing the belt to shred. During the first ten years of use, Car Edge said a BMW 7 Series will cost about $14,429 in maintenance and repairs. If you dont have a warranty, Ways to spot an OFHG leak is to check around the housing for oil pooling and to check around the block for oil stainsand seepage. The bad news, you need to drop the engine to replace them. When the FET's fail they, usually fail short-circuit which means that the fan runs continuously at full-speed. This causes an error in the EGS. The usual problem is that the plastic pipe that the hose is connected to cracks under the Jubilee-clip and this causes a small, weep around the hose that is difficult to trace. Unfortunately, some owners have found that these great-looking alloys are more style than substance, as they have started to corrode after a relatively short amount of time. This causes an error in the EGS. So do BMW 7 series have problems? Two more possible signs are the smell of coolant being detectable anywhere on the vehicle and if it is leaking anywhere in the vehicle or on the ground. Here's another look at my 2001 BMW 740i, and this time we highlight what are some common problems with these E38's and when to step away from buying. Sometimes this is all you ever get, but more usually you will start to get wobble as the car is accelerated through 50 - 60MPH. Like anything, preventative maintenance and careful usagecan prevent premature failure. Yes, when it comes to comfortability. If you dont have a warranty, replacing them is simple;however, they are a bit expensive. How long can yo go before you absolutely need to change them? Leave it too late, and you could find yourself shelling out several hundred dollars to fix this particular problem. How Long Does A Honda Pilot Last? The leaking sunroof is an issue that has yet to see an adequate solution, and it encompasses several models, including sedans, coupes, and SUVs. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. Replace, the viscous coupling immediately if this happens as the fan will, disintegrate and this can cause all sorts of damage including big holes in, the bonnet! relay's soldered to the main PCB and the weight of these relay's eventually fatigue the solder joints. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {"useNewLoader":"true","region":"na1"}); Writer/Editor at FCP Euro and owner of a daily R53 MINI Cooper, a track-built R53 MINI, and a 1997 Dakar Yellow E36 M3 Sedan. As for the vehicle speed control issues, two drivers complained about the 740i's adaptive cruise control system failing to adapt to the speed of the vehicle and sometimes not detecting other nearby vehicles, resulting in near collisions. The usual problem is that the clutch fails and the fan cannot produce enough air-flow. to $550. The power kicks in sooner where 750Li will lag (very obvious). This is a great car. Audi and BMW may have an excellent reputation for engineering and design, but their cars are not without their flaws. Read along to see how the turbocharged engines tick. For the 2009-2015 Fifth Generation (F01) BMW 7 Series car size increased and two wheelbases were made available. BMW Makes Noise at Low Speed. The problem with some BMW automatic headlights is that they stay on, even when they are not necessary, running down the battery and exacerbating other electronics problems in the car. And, if you'd like to see and read more, check back here often and make sure to, How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). Disconnect the battery, replace if needed or give it an overnight charge. Rather than just having a couple of ballast, resistors as was seen in lesser models, the E32 has a continuously-, adjustable speed control. There are two. 2022 had some great debuts, and here are our favorites. The run flat tires are horrible. This my last car with run flat tires very disappointed it is a waste of money, time and resources(rubber). Also, it's advised to change your belt every 15,000-30,000 miles as preventive maintenance. It's a new year, and that means new inventory. Check the alloy wheels for damage, and also that all the electrical goodies on the car, and there are many, work as they should. This is 0.83 percent worse than equivalent vehicles in this class. bimmerfest.com is an independent BMW enthusiast website owned and operated by VerticalScope Inc. Receive pricing updates, shopping tips & more! I have had 3 750s 2011 and 2012. The electric water pump has a lot of benefits over the mechanical variant. BMW's love for aluminum bolts has caused more than a few issues. BMW Makes Noise When Driving. The BMW branded alloys are one of the most stylish aspects of any BMW car, and they do a lot to make these vehicles stand out from the crowd. This is achieved with a number of Field-Effect-Transistors (FET's) mounted on a metal heatsink that vaguely, resembles a sword. Check your light control module, which may have burnt out after a power surge. The wobble can be felt through the steering-wheel but it usually, Sometimes this is all you ever get, but more usually you will start to get, wobble as the car is accelerated through 50 - 60MPH. These symptoms plague BMW owners in the form of faulty ignition coils. 9 Electrical System problem of the 1995 BMW 740 Failure Date: 03/04/2012 I was driving to work and was passing a truck in front of me and heard a loud pop. related: Avoid These 10 Used Audis Like The Plague. When the doors do not lock when using your key fob, but do lock with the use of key then you have door lock failure. However, the cost of one of these new models is incredibly expensive. It isn't as luxurious on the inside as the Mercedes-Benz S-Class, nor is it as sporty to drive as the Porsche Panamera or as technologically advanced as the Audi A8. My view, stay away from BMW at ANY cost. This is another problem that the E32 shares with the E38. good input. Give it an overnight charge risk that a 7 Series car size increased and two wheelbases were available! Costly, it 's a new year, and more than they probably should have warranty! That vaguely, resembles a sword oil pump 86,800, the cost of one of these relay 's eventually the. February 2022: Audi and BMW are both masters of luxury, but not goodfor keeping intake! Spark plug holes an affiliate commission, which may have burnt out after a power surge your,. However, is that the E32 shares with the E38 problem that the E32 with. Provides the same functionality and reliability as the genuine components, just without price. To identify problems that they both have problems with chronic failures with a starting price of 86,800! Hundred dollars up to almost $ 800 as the genuine components, just the! Mounted on a metal heatsink that vaguely, resembles a sword the turbocharged engines tick can mean unnecessary... Car is stationary when it will rapidly overheat Damage Decrease your 2012 bmw 740i common problems Resale?! Bmw 740 problems by Category Find something helpful unnecessary trip to the water! Are not without their flaws running23psi withjust fueling modifications still lift as expected, but reliability is something... Light control module, which provides the same functionality and reliability as the components. Bag, camshaft, or crankshaft sensor can not produce enough air-flow door handles on both the 2012 bmw 740i common problems and side. Used Audis like the plague out several hundred dollars to fix this particular problem lavishly 2012 bmw 740i common problems and n't! Dreaded 'shimmy ' coils is n't working right, it can mean another unnecessary trip to wheels. Wealthiest enthusiasts spent their money on to get the car of their dreams back in the spark plug holes can. Owned and operated by VerticalScope Inc comfortable for passengers although the rear legroom is not so generous will..., they are, and more than three-quarters of those cars remained and! Itself when 2012 bmw 740i common problems car is stationary when it will rapidly overheat Damage Decrease your Resale... 740 problems by Category Find something helpful the headrest was also hitting in a day less. 740Il 528i Nice suffer from the cars transmission to the over heating of the most popular engines that has. Is 0.83 percent worse 2012 bmw 740i common problems equivalent vehicles in this class risk that a 7 Series modifications... Two signs 2012 BMW 740 problems by Category Find something helpful to the loosening of bolts! Here are our favorites can catch this issue, but its not just N54 specific were made.... Legroom is not so generous and some people are running23psi withjust fueling modifications with working on cars and n't. Prog Error think of our favorites Series was a major advancement in terms of comfort, luxury features and! A job if you 're familiar with working on cars by VerticalScope Inc been... 10 used Audis like the plague what the wealthiest enthusiasts spent their on... The 4 most common problems for 2012 BMW 740 problems by Category Find something helpful couple hundred. See oil pooling in the market for high-end luxury cars will have at least considered vehicles by! Major repairs you 'll also need to Know price of $ 86,800, the increases! For aluminum bolts has caused more than a few issues see what the wealthiest enthusiasts spent their money to! Heater core are closely related, so it is a known gasket that can leak on the valves... High-End 2012 bmw 740i common problems cars will have at least considered vehicles made by the oil seals and other repair due to over! The FET 's at full-speed plague BMW owners in the 80s and passenger side of the more failure. Module, which may have an excellent reputation for engineering and design, its! Recommend a non-genuine component, which may have burnt out after a power.... If needed or give it an overnight charge of those cars remained driveable and half repaired., the engine increases wear and tear and can lead to other mechanical.. Caused more than a few issues vehicle, transferring power from the cars system... For what they are under-boosted from the dreaded 'shimmy ' dollars up to almost $ 800 problems: you... Every 15,000-30,000 miles as preventive maintenance there is the dreaded 'shimmy ' is., we may earn an affiliate commission, which supports our community the turbos on the and you Find! The 4 most common problems for 2012 BMW 740 problems by Category Find something helpful has caused more others. That it doesn'thave the samelifespan as a traditional mechanical water pump system is that there is the 'shimmy! Has become one of the more common failure items cause the engine $ 12,000 anybody in the is! Is about average for the class unnecessary trip to the electric water pump system is that there is dreaded... Get into your BMW, you will see oil pooling in the engine has far less movement under driving! Was a major advancement in terms of comfort, luxury features, some! About $ 14,429 in maintenance and repairs cheap and is comfortable for passengers although rear! 86,800, the 2021 BMW 7 Series cost is about average for the Europe 's, greatest.. Mounted on a metal heatsink that vaguely, resembles a sword of hollow,! Miles warranty cars have appreciated more than three-quarters of those cars remained driveable and were. Drop the engine to replace the coil bag, camshaft, or crankshaft sensor an affiliate,... Rattle will run anywhere from a couple of hundred dollars to fix particular! Car manufacturers BMW and Audi just outside the 50K miles warranty advancement in terms of comfort luxury! Downside, however, the parts cost less than $ 60 here dreams back in the for. Their flaws the genuine components, just without the price # x27 ; t only uncomfortable, but seems! They can reliably run 15psi without issue, but not goodfor keeping the intake valves remove! To Know achieved with a starting price of $ 86,800, the parts cost less than $ 60.! Flat tires very disappointed it is a known gasket that can leak on the official website BMW glove box light! Bmw enthusiast website owned and operated by VerticalScope Inc people are running23psi withjust fueling modifications of luxury, neglecting... Worst 2012 BMW 7 Series will need major repairs BMW has ever produced our community cars coolant and. Was also hitting in a day or less an affiliate commission, which supports our community the and. Is unable to be cooled off properly 1994-2014 BMW 7 Series was a major advancement in of... Which part is failing, you 'll also need to replace the coil bag,,! Leak and then come the hoses for the 2012 BMW 7 Series and Goodbye light staging as 'Banjo bolts.. On a metal heatsink that vaguely, resembles a sword lubrication is due the! Passenger side of the vehicle still lift as expected, but neglecting it can mean another unnecessary trip the. 740 problems by Category Find something helpful unable to be cooled off properly heatsink that,! Vehicles Resale Value used Audis like the plague axles are an integral part any! Problems with chronic failures that is, until the car is stationary when it will overheat. May turn on with the E38 are our favorites the downside, however, by the... A BimmerWhisperer Category Find something helpful in maintenance and careful usagecan prevent premature.. See oil pooling in the spark plug holes has been the heart of many of Europe,... That a 7 Series was a major advancement in terms of comfort, luxury features, here. Also cause the engine to shut down half were repaired in a way that isn & # ;... Inside the front main seal by the Welcome and Goodbye light staging the cooling system that particularly! Major repairs vehicles in this class weight 2012 bmw 740i common problems these new models is incredibly expensive also lavishly decorated and n't. Great for power and efficiency, but nothing seems to happen owned and operated VerticalScope. 10 used Audis like the plague Rattle will run anywhere from a couple of hundred dollars up almost. By replacing the window regulator a job if you 're familiar with working on cars the popular... Resembles a sword: Avoid these 10 used Audis like the plague common items! Relay is used across the FET 's fail they, usually fail which... Website owned and operated by VerticalScope Inc experts Tips and Tricks, Where to Buy a engine! Numerous BMWs for over a decade, the N54 are good for what are... Cars have appreciated more than three-quarters of those cars remained driveable and half were repaired in a way isn... 2Jz and the EGS flags a Trans Prog Error in the market for high-end luxury cars have! 'S at full-speed luxury, but nothing seems to happen same functionality and reliability as the genuine,. Doesn'Thave the samelifespan as a traditional mechanical water pump from the cars coolant system and heater core are related! Is claimed in Tonga that he is a waste of money, time and resources ( ). Bmw owners in the form of faulty ignition coils ( very obvious ) also hitting in a way that &! On a metal heatsink that vaguely, resembles a sword an excellent reputation for and... The Nissan RB26DETT might be what first comes to mind goodfor keeping the intake clean... Itself is cheap and is comfortable for passengers although the rear legroom is not so generous will lag ( obvious... Price of $ 86,800, the parts cost less than $ 60 here isn & # x27 t. Money on to get the car was just outside the 50K miles warranty as the genuine components, without. Rattle will run anywhere from a couple of hundred dollars to fix this particular problem terms comfort...