On 24jun2011, I swerved from a parallel lane to avoid being sideswiped. No contact was made between vehicles. However, I noticed a noise coming from the rear of the vehicle. The vehile has a manual transmission. I took the vehicle to an auto body repair shop. After examining the vehicle they told me that: The flange/bracket that held the differential in place had a complete hair-line fracture; and, that a substantial number of spot welds holding the body on to the frame had failed. I made contact with the local BMW dealership mcgrath BMW, ocated in westmont, il and told them of the incident. They stated that they did not undertake body repairs and directed me to a firm which did all types of body and structural repairs and was accredited by BMW. I was given an estimate for the repair of between $5,000-$6,000, and was told that there was no program offered by BMW to share in the cost of the flange/bracket and body repair. I went back to my local body shop and told them to estimate the cost and I also reported the problem to my auto insurance (state farm). An adjuster from state farm reviewed the failures and stated that the condition was one of a problem in manufacture and not covered by my auto insurance. My body shop then gave me an estimate of a not to exceed figure of approximately $2,500. I told them to undertake the repair. The flange/bracket has been replaced and reinforced and the body and frame have since been rewelded at a total cost to me of $1600. Additionally, I spent an additional $100 for a alignment (Firestone of countryside, il) the local body shop is douglas auto body, 4015 eberly avenue, brookfield, il (708) 485-7774 - they are a body and structural repair shop approved by state farm insurance. This vehicle has been used by me as a street vehicle and not for racing or track use of any kind. The failures seem to be a mfg. Design flaw.

- Brookfield, IL, USA

On the Z3 2.3 manual transmission model the computer causes the engine to keep revving after the throttle is released, sometimes for 2 or 3 seconds. The dealer said all Z3 2.3 moldels do this. I feel this is unsafe as it requires extra attention when shifting because it does not occur consistently. The dealer stated that there are aftermarket computer chips that will fix this, I feel the manufacturer should fix this.

- Avondale, AZ, USA