Thread: sold
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      12-09-2012, 09:15 PM   #19
baxter3221
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Drives: 2015 X5 50i
Join Date: Jun 2010
Location: Nanuet, NY

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FYI the 550 kit is not the same hardware as the 535. The 550 comes with a smaller pulley which makes more boost. I know this for sure because I upgraded my 535 to a 550 and ESS sent me the newer pulley with matching belt.
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2015 X5 50i - M sport, X5M rims, etc.

Supercharged 2008 E92 M - Sold