Engine Oil Leaking Problems of BMW 5 Series

Tl the contact owns a 2006 BMW 5 Series. The contact stated that the vehicle leaked oil and the brakes failed while driving at low speeds. The brakes worked normally when applied at high speeds. The vehicle was taken to an independent mechanic who diagnosed that a new power brake booster and vacuum pump needed to be installed. The vehicle was repaired. The manufacturer was made aware of the failure and did not assist. The dealer was not contacted. The failure mileage was 104,932.

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The 2006 BMW 5 Series used aluminum head and valve cover bolts which were over-torqued during assembly and break after approximately 80k. BMW admits this problem exists but refuses to issue a recall. BMW's repair cost is ~$6000. These bolts are non serviceable and should never be removed, when broken they cause massive oil leaks and possibly fire. I contacted BMW, they requested to review the car. BMW agreed that the bolts were broken then refused to fix the problem claiming the car has too many miles. BMW knew the mileage when they requested to review the problem . . . Why waste my time if they knew they were going to do nothing? my vehicle now losses approximately 1-2 quarts of oil per 100 miles. I am chagrined that BMW will not admit their manufacturing defect. I have maintained this car with care and other than the oil leak from the broken bolts the car is in perfect condition - but is no longer drivable.