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Engine & cooling

BMW 6 Series Engine problems by year

20 complaints filed with NHTSA about the BMW 6 Series's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Engine complaints by model year

YearEngine complaintsCrashesInjuriesRecalls
20120001
20104000
20082000
20073000
20063000
20055001
20043001

Engine recalls

Latest 6 Series engine complaints

2010 BMW 6 SeriesEngine & cooling

The contact owns a 2010 BMW 650I. The contact stated while driving 30 MPH, the vehicle went into LIMP Mode and then lost motive power, with the engine malfunction message displayed. The vehicle was towed to an independent mechanic, where it was diagnosed and determined that the VANOS system had failed and needed to be replaced. The vehicle was repaired; however, the failure recurred. The dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 128,000.

Filed Incident Engine and engine coolingNHTSA 11665843
2008 BMW 6 SeriesEngine & cooling

The contact owns a 2008 BMW 650I. The contact stated while driving approximately 35 MPH, there was smoke coming from under the hood. The contact stated no warning light was illuminated. The contact pulled off the roadway and had the vehicle towed an independent mechanic. The independent mechanic diagnosed that the vehicle was leaking oil and the engine oil seals needed to be replaced. The vehicle had not been repaired. Additionally, the vehicle had lost power while on the road causing the contact to have to pull...

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off the road. The contact observed that the "engine malfunction" warning light was illuminated. The contact stated that the engine failure had been ongoing. The manufacturer had not been informed of the failure. The failure mileage was 127,001.

Filed Incident Engine · Engine and engine coolingNHTSA 11463361
2004 BMW 6 SeriesElectrical systemSeats & seat beltsEngine & cooling

The idrive system in my car continues to cut on and off, this eventually caused my car to shut off on me two times while in traffic with no warning or indication of the shut off. The sensor alert continuously goes off for everything in the car. I took my car to the BMW dealership in Huntsville Alabama, they had my car for almost a month and could not find the issue with the drive or anything the sensors were notifying me of. The system constantly says my car is overheating, but I just got the radiator hose fixed...

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and the dealership checked it for leaks while they had it and they did not see any other leaks or any other issues causing it to overhear. I researched this issue on a BMW form and I see this is a common issue with the electrical system. This issue is very alarming to me because the sensors do not work properly so I wouldn't know what is really wrong with the car and with all the electrical issues I am afraid the car might catch on fire. I can't believe this problem is so common and he has not been recalled due to the safety and the devastating results it could cause it's gone unnoticed for so long. I would hate for someone to lose their life, regarding this faulty issue in this car; these cars are not cheap no matter how old they are so I feel like BMW should stand behind their product and stop selling us faulty unsafe vehicles. We pay good money for these cars, this issue really needs to be fixed. I have a video of the iDrive system cutting on and off with the sensors alerting but this does not give me the option to upload a video. In addition the seatbelt will not retract in this car so it is not able to be worn properly. Also the engine seems like it is revving up sometime as if it wants to takeoff on its own. I have only experienced this issue a couple of times but not as much time as the iDrive issue mention above. Please assist in anyway you can I would really appreciate it. Have a great day!

Filed Incident Electrical system · Seat belts · EngineNHTSA 11431834
2010 BMW 6 SeriesEngine & cooling

Valve stem seal issue. Car burns excessive oil. More than a quart every several 100 miles. The issue seems to be consistent across this engine model number N62. My vin number is [[redacted]] and as a multiple BMW owner, I think BMW should recall and fix all BMWs with these issues that are appear to be a manufacturing defect. PARTS OF THIS DOCUMENT HAVE BEEN REDACTED TO PROTECT PERSONALLY IDENTIFIABLE INFORMATION PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *CC

Filed Incident EngineNHTSA 11418686
2007 BMW 6 SeriesAirbagsEngine & cooling

November 2019 I was driving down north tryon an my car just shut down out of no where, and I also have a coolant problem . My contact # is [[redacted]]. Information redacted pursuant to the freedom of information act (foia), 5 u.S.C. 552(B)(6).

Filed Incident Air bags · EngineNHTSA 11301755
2008 BMW 6 SeriesElectrical systemSeats & seat beltsEngine & coolingFire

We have almost died in this car twice. The first time in 2017, I was driving down a city street and noticed smoke coming out of the hood. Immediately pulled over, and opened the hood to find starter in flames. Called the fire department to extinguish the fire and the car spent a week in the shop getting "repaired". This past week, again while driving on a city street, I smelled what smelled like burning metal. Pulled over immediately and looked under the hood however nothing was there. Felt a slight burn on myself...

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and discovered that my heated seat had burned a a half dollar size hole if not bigger into the seat and burned through my expensive jacket and a sweater! This car is unsafe. After doing some research, we learned that thousands of bmw's catch on fire every year. We spent money on a luxury vehicle for more safety and comfort, not a death trap. I am scared to drive this car and have not done so since the last fire (burned seat).

Filed Incident Electrical system · Seats · EngineNHTSA 11176430
2005 BMW 6 SeriesElectrical systemEngine & cooling

I own a bmw 645ci 2005 convertible I have issues yes isssues with this vechile, first issue is the infamous idrive that never really worked properly since I purchased the car, it blinks on and off for 30mins then it would magically come on until one day it just didn't come back on this was after a trip to the dealer to get the convertible top lock reprogrammed.. So the car was included in the lawsuit so I takes it to the dealer for the reprogramming and my car came out worst then it went in the idrive never worked...

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to this day which is 04/16/2018, my top only opens with the passenger side door slightly opened yes the door has to be open for the top to operate... This is what the dealer told me so I was so confused of what the reprogramming was for ? I need answers and it's nothing I did as a owner I was very to the book when it came to opening my top and operating the idrive and etc... The infamous coolant leak also comes from a defective bimmer pipe that was installed by the makers of the vehicle and we the customers has to pay to repair these issue that occur on 60% if not more of these cars ...

Filed Incident Electrical system · Unknown or other · EngineNHTSA 11088512
2010 BMW 6 SeriesEngine & cooling

There is a recall on the 2010 650i bmw the recall number is 10v4466000 for the brake vacumm pump leaking oil and upon speaking with someone at the bmw 800 number they indicated that this issue was vin number specific. My argument against this issue is that if it was a vin specific issue but other vehicles in that same year are affected then why would this not be an issue that is accepted by the dealership especially considering the vehicle has less than 100,000 miles and is less than a year old. This issue could cause engine damage which can cause a dangerous driving situation.

Filed Incident Unknown or other · EngineNHTSA 10904710
2006 BMW 6 SeriesEngine & cooling

Tl* the contact owns a 2006 bmw 650i. While driving 35 mph during cold weather, the vehicle stalled. The vehicle was taken to the dealer where it was diagnosed that the thermostat and the hoses needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and informed that the vin was not included in nhtsa campaign number: 07v479000 (engine and engine cooling). The approximate failure mileage was 86,000.

Filed Incident Engine and engine coolingNHTSA 10663657
2007 BMW 6 SeriesEngine & coolingBrakes

On a routine check, my 2007 bmw 650i was diagnosed to have an oil leak from the brake vacuum pump. This leak progressed until one day the smell of burning oil was encountered for a few seconds. I was told replacement would be 1000 dollars; thus I looked to buy and replace the part myself. However, upon searching for the part, I came across recall no. 10V-446, as apparently many 6 and 7-series have experienced a vacuum pump leak. Even though my car (e63) fit the recall dates, I was told by my dealer and bmw...

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north america that since my engine was n62tu and not n62t, it would not be covered. This is quite remarkable considering this vacuum pump leak is precisely the issue I have been dealing with over the last year and the brake vacuum pump/lining in this engine model has exactly the same parts and setup as the recalled system and in my view, should thus be covered. *Tr

Filed Incident Engine and engine cooling · Service brakesNHTSA 10610838
2005 BMW 6 SeriesSteeringTransmission & drivetrainElectrical systemEngine & cooling

I was driving on the highway and my bmw 645 fault message displayed (transmission related malfunction,drive moderately). After that,the service engine soon light came on,along with a new fault message that displayed (increased emission). After that, the car speed abruptly went from 60, to (what felt like first gear),then just cut off!! There were cars and trucks all around me,doing the speed limit of 60 or higher,just missing me,while I'm sitting stuck in the middle of the highway!! I proceeded to restart the...

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car,and it started, with no fault messages;no service engine light; and drove fine for a few days,and then did the same thing again!! I took the car to a bmw repair shopped to have the fault codes read, which end up being a long list of codes, that the mechanics could not find the real cause of the issue. So,i had the shop replace my spark plugs; ignition coil; and reset the computer codes. The car drove okay for about a month,and then did the same thing again!! I don't know what to do,this problem could cause me to end up in a serious accident,i am afraid to drive the car!! As of 07/06/2014, my bmw 645 is often showing false; low oil message; increase emission; transmission malfunction; and clear after turning car off, and restarting the car!! I am so confused about this bmw 645!! *Js

Filed Incident Steering · Power train · Electrical system · EngineNHTSA 10608586
2005 BMW 6 SeriesEngine & cooling

Water started leaking from the car and once checked found that the aluminum pipe under the intake had a cracked in it and had to replace the pipe with a new metal pipe, which cost me 1500.00 And the bmw mechanic states most of all these cars experience this same problem, which can lock up your motor or cracked the heads on it. *Tr

Filed Incident EngineNHTSA 10598735
2010 BMW 6 SeriesEngine & cooling

Suffered sudden engine stall in an expressway with no apparent explanation or reason last month. This was the second time this occurred. The first time was approximately several months earlier and after limping to a safe place and turning the motor off, resting for a while, it restarted. I had the vehicle serviced during its annual oil change and the dealer informed that the vehicle suffered an engine misfire in two pistons, allegedly due to two faulty coils. About a month later I suffered the second incident in an...

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expressway but in heavier traffic. The motor was violently shaking and it could not accelerate so I was unable to change lanes or reach the roadside safety lane. The vehicle barely limped at about 25 mph. After managing to get off the road I turned the motor off and after waiting a while when I turned it back on it worked adequately. I took the vehicle to the dealer again who informed that it had suffered another engine misfire but in two other pistons, also allegedly due to two other faulty coils. I have been a bmw owner for 20 years and never suffered anything similar. The explanation given is highly suspect. This sudden and unexplained engine misfire and stall is extremely dangerous and must be investigated. *Js

Filed Incident EngineNHTSA 10585472
2006 BMW 6 SeriesEngine & coolingEquipment & accessories

Tl* the contact owns a 2006 bmw 650i. The contact stated that the vehicle's ac was not cold. The contact took the vehicle to a local mechanic where he was told that engine oil was leaking below the brake vacuum pump. The mechanic advised the contact of nhtsa campaign id number: 07v479000 (engine and engine cooling). The contact then called bmw use who informed the contact, that the vehicle was not included in the recall. The contact was concerned with the brakes causing a crash. The failure mileage was 57,000. Updated 07/12/11 *bf updated 12/30/11

Filed Incident Engine and engine cooling · EquipmentNHTSA 10407568
2005 BMW 6 SeriesEngine & cooling

Tl*the contact owns a 2005 bmw 645ci. While at a light the vehicle suddenly stalled. The contact attempted to restart the vehicle several times but was unable to start it. The vehicle was towed to the dealer where the computer was reset. The failure continued to occur after the computer was reset. The vehicle was not repaired. The approximate failure mileage was 70,800.

Filed Incident Engine and engine coolingNHTSA 10407253

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

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