Quote:
Originally Posted by mhughett
This car has had problems with rotor runout (vibrations), with the original owner as well as me, even when there has been no track time. It has probably had 7 sets of front rotors during the 4-year warranty period. I have bedded the new brakes (per Zeckhausen instructions) and it still has done it. The dealer has tried to find the cause but says that all brake components are working properly. However, each time they drove the car and measured the runout and agreed that the rotors should be replaced. During the 4 years of warranty coverage, they were unable to determine the cause. All 7 sets of rotors were paid for by BMW. However, the car is now out of warranty and I thought a BBK might fix the problem once and for all. I've posted this problem on this board and it seems no one else has had similar problems. |
There are fundamental issues at work there that the BBK WILL NOT SOLVE in my opinion. You need to take the car to an independent mechanic that is intimately familiar with BMWs or try a different dealership. What you described, does not sound right. The factory rotors are STOUT.