Hi everyone and I'm new to the forum. I owned a 325is coupe and 735i back in the 90's. Very quick cars and I think both had larger engines than what the new 330i's come with this date.
Well... here goes. I just purchased a brand new 2018 330i. Can anyone tell me what mods that I could do engine wise and exhaust without voiding the warranty. Trying to give it a little pump in power and sound. Any help would be most appreciated.
Dinan won't void warranty. If you want some more sound check out the M Performance muffler/exhaust.
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