BMW 528 owners have reported 1 problem related to timing tensioner (under the engine and engine cooling category). The most recently reported issues are listed below.
When turning my car on and while driving on the highway, my car displayed a drivetrain malfunction error. I took the car to my local BMW dealer on August 3, 2020 for service and they diagnosed the car with a computer error. They made a repair to the computer and told me it was fixed. This cost $350. On August 7, I drove from maryland to south carolina and received the same drivetrain error message and the oil service light warning came on. We had to add a quart of oil and drive slowly per the drivetrain error message. As soon as I returned to maryland, I took the car back to BMW of annapolis. They told me that the front end of the engine was gone and that they would need to rebuild the motor including new timing chains, chain tensioner, chain guides, and exhaust vanos unit (a $6000 repair). The car only had 72,000 miles and I had never missed a service appointment. BMW north America offered to pay half of $6000 after being contacted by BMW of annapolis. However, I thought that BMW north America should have paid the entire amount because this is a known problem with the 2012 BMW 528i and I could have had a major accident. In addition, this car has had 2 prior major recalls. I sent BMW north America a formal complaint, but they still only paid $3000.
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