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      10-13-2019, 12:03 PM   #12870
bmw1racer
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Drives: 2012 E82 6MT Sport
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Quote:
Originally Posted by Gray_Panther View Post
Was the 1er starting to idle rough which prompted you to change the plugs?
My mechanic only replaced the coil pack and plug in cylinder #2 only.

The 1er would misfire when the engine was cold and during acceleration in the morning. After about a week of that, then I got the "Engine Service Soon" indicator turning on a off and the engine felt like it was going stall on idle.

If I had an OBD2 reader, it probably would have told me #2 was going south.

After some Googling, the coil pack typically lasts around 80k miles. Guess I got a bad one.
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