My car does this on cold starts but only if I put it in drive right after starting. I just caulked it up to load on the engine to soon after starting cold, when the ignition is advanced. My cars a 14 m235i automatic with 33k miles, I'll do plugs in a week or so with a stage 2 and will let you know.
did plugs today when i was bored.. i'll update if it fixed it
Last edited by nixeighty6; 10-01-2019 at 11:40 PM..
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