One problem related to service engine light on has been reported for the 2009 BMW 135. The most recently reported issues are listed below.
The service engine soon light comes on and the car will not accelerate and violently shakes. It is unpredictable. (the car is only 5 months old and had less than 4,000 miles on it when this began. ) the dealer switched the spark plug, ignition coil and injector. Despite the dealer believing this fixed the problem it occurred again. The dealer then replaced the injector and again believed this fixed the problem but it did not. The dealer than replaced the dme. The dealer thinks this now fixes the problem, but I am not convinced. (this is a 335i, which is not an option I can choose for a BMW car. ).
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