Quote:
Originally Posted by wmg/bmw
N63intake.com
exhaust modes, like straight downpipes to eliminate the cats
JB4 but I stay away from that since it effects warranty, I just had my engine replaced fully including turbos, everything and did some mods. Not much needed to do with these 400+ Horsepower monsters
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Agreed. They're not meant to be track cars. Just curious what those people who run these motors with 150k+ miles with minimal BMW service do for DIY maintenance. I do plan on finding a decent exhaust upgrade. BlackGT on Instagram has what I want but sadly its a one of.