Looking for infor on the E46 vs E90 on engine alone. Anyone knows what went into the changes to get it to run 150 BHP from E46 143 BHP ?. Any HTTP link or advise much appreciated.
Asking for a bro who got his E46 but unlikely to change his ride so soon.
the higher rev alone plus less conservative ecu mapping can account for more than 10bhp already. it's very simple. but i think there should be some breathing mods too.
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