Quote:
Originally Posted by zenmaster
they've done it before!
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When?
The N54 in the 1M was literally an N54, same as the prior year 1/3 335.. No hardware changes.
BMW's marketing department must have serious hand getting this engine named an N55. Different block? Different pistons? Different turbo? Never, in BMW's history, have such changes not resulted in a primary designation change. Not that I think a name matters at all, but you can see how the mouthbreathers react to the N55 label.
Best performance buy from a straight line/tuning perspective? An '08-'10 135 or '07-'10 335. Honestly, when it's all said and done, I bet there are many people who wish the M2 just got a carry-over engine from the 1M.
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'02 S54 M3 (500/500 GC/Koni)
'08 N54 135 (JB4, DCI, BMW PS/Bilstein B6s, H&R M3 FSB, Strongflex FCABs)
'14 N55 X1 (JB4, BMS DP, BMS Intake, Alpina TCU reflash, H&R Sports, Bilstein B6s, E93 M3 RSB, Strongflex FCABs, baby seat)
'08 N54 535xi touring (Bilstein B6s, Downpipes, MHD tune, baby seat)