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F10 / F11 (2011 - Current)
The new chapter in the highly successful story of the BMW 5 Series Sedan (F10) and wagon (F11)

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  #1  
Old 09-29-2010, 08:47 PM
radamchak radamchak is offline
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Location: VA
 
Join Date: May 2010
Posts: 44
Mein Auto: 550ix
550xi Performance (upgraded) parts

I'm planning my 2011 550Xi purchase. I'm thinking about including the BMW Performance Brake Kit, BMW Performance Carbon Fiber Strut Brace, and BMW Performance Engine Kit and Differential upgrades.

Are these options worth it on the 550XI?

How does this affect DHC and ARS?
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  #2  
Old 09-30-2010, 03:55 AM
Munich77 Munich77 is offline
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Location: Washington DC
 
Join Date: Jul 2008
Posts: 3,019
Mein Auto: 2014 E550 4matic
Are these Performance parts even available for F10 yet? The engine performance kit (based on what they have for the X6) sounds quite promising. I am not sure if you could even upgrade the differential on an X-drive as you would have to change the gears in both the front and rear diff.
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