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Old 12-01-2012, 05:44 AM
Alan L. Alan L. is offline
Officially Welcomed to the 'Fest
Location: East Coast
 
Join Date: Apr 2012
Posts: 1,342
Mein Auto: LCI 550i Msport
Stock for stock i think the N55 feels better than my N54 E90. Sounds and feels a bit smoother. Having a tune on it thats a different story because the N54 makes a ton more hp/tq. I hit 350whp and 400wtq with just a tune and exhaust with my N54 where as now i am probably barely getting 300whp and 350wtq with the same mods.

Seems like a lot of the enhancements listed above makes the motor less robust compared to the old motor though. lightweight sounds like less strong to me. I believe the N54 had a forged crank,rods and possibly pistons which is why guys have already pushed that motor over 500whp without any issues.

Alan
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2014 LCI 550i M Sport | 3D Design Front Spoiler | BMW Performance Black Kidney Grills | BMW Performance Trunk Spoiler | BMW Performance Gloss Black Diffuser | Painted Reflectors | Wincos 30% Tint | Supersprint Quad Exhaust | AC Schnitzer Springs | MORR VS8.2 Brushed Finished Wheels 20x10R and 20x9F | Michelin PSS Tires 245/35/20F 285/30/20R | M550d 16mm RSB |||More Photos of my car here|||
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