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      12-29-2012, 08:02 PM   #24
Private First Class

Drives: 2012 335i Coupe 6AT
Join Date: Jun 2012
Location: Miami, Florida

Posts: 101
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The crankshaft is forged, it says it on the n54 mechanical engine section PDF, while the N55 engine PDF says is cast iron... but it doesn't say that piston are forged on the N54 like a lot of people think.
JB4 S2 ISO Map7, BMS Intake, BMS Chargepipe, BMS Downpipe, BMS OCC, Flex fuel wires.