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2005 BMW 645ci Problems and Recalls

Owners filed 33 complaints with NHTSA about the 2005 BMW 645ci, most often about the air bags (30% of complaints, typically around 72,000 miles). It is the most complained-about 645ci model year since 2000.

Complaints33
Recalls0
Crashes reported0
Fires reported4
Injuries reported0

Most common 2005 BMW 645ci problems

  1. Air bags

    10 complaints · 30%

    Half of these problems showed up before 72,000 miles.

    The contact owns a 2005 BMW 645ci. The contact stated that the front passenger seat mat sensor illuminated on the instrument panel. The dealer advised the contact that her vehicle was not included in any recalls and offered no further assistance. The manufacturer was aware of the failure. The vehicle was not repaired.…
    Owner report to NHTSA, 2011, at 65,000 miles
    I placed an item in the front passenger side seat without fastening the seatbelt and the airbag light came on and stayed on... This is the first time this has ever happened. The car was stationary but the engin was running.
    Owner report to NHTSA, 2018, at 65,000 miles

  2. Brakes

    6 complaints · 18%

    Half of these problems showed up before 89,500 miles. Parts named most often: power assist.

    The contact owns a 2005 BMW 645ci. The contact stated that while traveling 30 MPH up a hill, the brakes failed to respond. The brake pedal went to the floor and the contact had to apply the emergency brake to stop the vehicle. The vehicle was taken to an independent mechanic, who diagnosed and repaired the brake…
    Owner report to NHTSA, 2014, at 89,290 miles
    The brake vacuum pump seals are leaking. This ultimately will affect the brake assist and potentially result in failure to stop the vehicle within prescribed stopping distances creating potential for a crash. This problem was identified by the local BMW dealership in highlands ranch denver. Oct 1 2010 BMW recalled…
    Owner report to NHTSA, 2016, at 96,500 miles

  3. Engine

    5 complaints · 15%

    The car was driven home from work, approximately 15 miles, and was parked in the garage of our home. Ten minutes later it combusted and began burning from the engine compartment. It burned to the ground and gutted our house.
    Owner report to NHTSA, 2005, at 3,700 miles
    Tl 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…
    Owner report to NHTSA, 2011, at 70,800 miles

  4. Seat belts

    5 complaints · 15%

    While driving, a symbol on the dasboard displayed the following alert message "fault in passenger-restraint system affecting airbag, belt tensioner or belt-force limiter."
    Owner report to NHTSA, 2014, at 79,321 miles
    I was driving on the autobahn and my BMW 645 and all fault message were displayed. After that, the car speed abruptly,then just cut off!I it restarted with codes and all then shut off again. This continued five times until I reached my destination. I restart the car,and it started, but the radio and door siren was not…
    Owner report to NHTSA, 2015, at 102,000 miles

  5. Seats

    4 complaints · 12%

    Parts named most often: front assembly.

    - the contact owns a 2005 BMW 645i with a current odometer reading of 26000 miles. The contact stated that while driving under dry conditions at about 5 MPH he felt an electric shock in his buttocks from the seat. The contact repositioned himself in the seat and felt the shock again, and this time it went all the way…
    Owner report to NHTSA, 2007, at 26,000 miles
    Hot spot in the back of the driver's seat from the seat heater. The failure was the heating element burned a nickel-sized hole through the leather seat, through my winter coat, and singed my pants. This happened while I was driving but stopped at a light. I was able to pull over once I noticed the smoke rising from…
    Owner report to NHTSA, 2010, at 66,700 miles

  6. Electrical

    4 complaints · 12%

    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…
    Owner report to NHTSA, 2014, at 98,345 miles
    I was driving on the autobahn and my BMW 645 and all fault message were displayed. After that, the car speed abruptly,then just cut off!I it restarted with codes and all then shut off again. This continued five times until I reached my destination. I restart the car,and it started, but the radio and door siren was not…
    Owner report to NHTSA, 2015, at 102,000 miles

  7. Steering

    3 complaints · 9%

    The contact owns a 2005 BMW 645ci. The contact stated while driving 20 MPH the steering failed and she lost control of the vehicle momentarily. After regaining control of the vehicle, she drove it home. The vehicle was taken to an authorized dealer where they were in the process of diagnosing the failure. The failure…
    Owner report to NHTSA, 2011, at 57,000 miles
    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…
    Owner report to NHTSA, 2014, at 98,345 miles

Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.

2005 BMW 645ci recalls

NHTSA lists no recalls for this model year.

Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.

Questions about the 2005 BMW 645ci

What are the most common problems with the 2005 BMW 645ci?
By NHTSA owner complaints: air bags (10 complaints, typically around 72,000 miles); brakes (6 complaints, typically around 89,500 miles); engine (5 complaints).
How many recalls does the 2005 BMW 645ci have?
NHTSA lists no recalls for the 2005 BMW 645ci. Check your VIN at nhtsa.gov/recalls in case one is issued later.
Is the 2005 a bad year for the BMW 645ci?
It is the most complained-about 645ci model year since 2000, with 33 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.

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