3-Series (E46, E90)Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.
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Over the last couple of days, I'm noticing when I add gas my car is making more "noise", well its actually more "bass". I can't pinpoint the noise or where its coming from, but it does plug my ears sometimes as deep bass would. I think it's coming from the engine but theres no other noise apart from the actual engine noise which sounds like it has more bass.
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