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      04-03-2013, 02:33 PM   #16
chris3g
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Drives: 2012 E92 M3
Join Date: Jan 2012
Location: NJ

iTrader: (3)

The injectors for the 625 and the 650 are the same, aren't they? According to the ESS site the 550 has "spec 1" injectors, 585 "spec 2" and the 625/650 "spec 3"

I thought the 650 also used a custom crank pulley though in addition to the blower pulley.