Two problems related to engine belts and pulleys have been reported for the 2007 BMW 3 Series. The most recently reported issues are listed below.
Power steering pulley comes into contact of axle carrier, it's a clear design flaw and this car hasn't had much research and development done, the company knowingly put an unsafe beta car on the market. My belt broke because of the pulley to frame contact and stalled on the 405 freeway and ended up getting injured when the car was rear ended at 60mph. There is a service bulletin within BMW's system describing this issue and they want consumers to pay out of pocket for repairs. I spoke to corporate and they have given me the cold shoulder so far. My mission is to get this escalated to a recall before someone gets seriously hurt.
I have a 2007 BMW 335i coupe with 30000 miles on it. It was revealed in a normal service appointment that there is an issue with that particular models motor ( n54 ). The tolerances of the pulley wheel that supports all the cars systems including the power steering is dangerously close and can rub on the subframe of the car causing the serpentine belt to fail causing all of the cars systems to stop working. This can be particularly dangerous if your in a traffic situation to have all systems fail. BMW recognizes the issue and produced a sib 11 09 08. The local BMW shop global imports and my extended warranty coverage refuse to fix the dangerous situation. The problem is compounded that if the pulley continues to rub on the subframe it can actually cause the motor to drop from the car chasis. An even more dangerous situation. Global imports will fix their know issue for close to $4000. This problem has been documented by many of that models owners. . Read more...