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View Full Version : 550xi Performance (upgraded) parts


radamchak
09-29-2010, 09:47 PM
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?

Munich77
09-30-2010, 04:55 AM
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.