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E90/E91/E92/E93 (2006 - 2013)
The E9X is the latest evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki |
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#1
10-07-2012, 08:23 PM
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BMS Power Box BMW Performance Chip on N52?
I have a 2009 328i and althought not disappointed with the performance always looking for a bit more power/response. (More is better.) Anyone have experience with the BMS Power Box on their N52? Was the advertised HP/torque increase noticeable to you? Any issues you've had with the dealer if you left the unit in place when you've taken it in for warranty service?
Thanks! 
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#2
10-08-2012, 06:35 AM
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Immediacy is more the key word here. It definitely improves the throttle response (with the right setting). Oh, fuel economy suffered a bit.
__________________
2007 E90 AW 323i Step | Lowered 1.25"/1" | BMW Performance Exhaust | PBX | Debadged | Scangauge II | Style 162 18" & 161 17" wheels & rear 15mm spacers
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