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      12-10-2012, 10:12 AM   #12
Curare86
Lieutenant
 
Drives: 135i
Join Date: May 2012
Location: perth

Posts: 547
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Quote:
Originally Posted by Zombie1 View Post
Future one owner here and I've had other bmws in the past ive driven both the n54 and n55 (dct) the twin turbo n54 is more tunable as of. Ow and has a higher ceiling for the stock twin turbo set up compared to the single twin scroll on the n55,also many believe the n54 has forged some forged internals, the 6speed 2010 135 I drove was nice but it had a short shifter in it with a clutch delete vault so idk how helpful I can b,if your looking for balls to the wall power I'd say n54 but if you want what seems to be the more reliable motor n55 is my choice good luck with your car buying
no forged internals in the n54, but still a killer engine!
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