Quote:
Originally Posted by superkevx
Recently I put in an AFE intake and scorcher on my 328i sport line. Everything seems OK but sometimes when I start the car the engine seems to stutter/rumble for about 2-3 seconds. It's pretty scary and the tachometer will fluctuate up and down during these 2-3 seconds. After that it settles down and the car appears to be perfectly fine. Its happened 3-4 times already and I'm worried one of the AFE mods might be damaging something. Any ideas? I don't know much about cars.
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That has happened to my car a few times and I don't have any mods.