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      03-11-2006, 08:42 PM   #3
Silver 325i
Enlisted Member

Drives: 2006 E90 325i
Join Date: Jul 2005
Location: RI

iTrader: (1)

Originally Posted by moocow
nothing yet. a couple of threads involve turbos. another thread is about the upsolute retune chip. but nothing significant yet. A lot of people feel that there is not a lot of HP left to tweak out of the e90 engine...
The mods on the 330i will most likely reduce reliability, increase engine noise etc. But the 325i will/should have some easy gains, since the engines are similar, that do not have any trade offs.