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      02-22-2013, 11:42 AM   #8
First Lieutenant
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Drives: '09 E92, SG & '13 E92, AW
Join Date: Jan 2011
Location: OREGON, USA

iTrader: (11)

Originally Posted by Autobahn335i View Post

I plan to put an M3 CF roof in my car this summer.

How much is the weight difference exactly? Do you have the part number for that roof bow? Thanks in advance.
Part number is 41007168999. Cost about $35. The roof is not a stressed member on this car, so this is more about stopping the cf roof getting too indented if pressed. You need to add some padding between roof and bow.

Sunroof to cf roof is a net 61 pound saving. Airbags were another 10lbs or so ( only if running race seats/cage/harness).
DCT. Custom Cantrell Motorsports cage. Fire. SCCA reg, dedicated track.
Diffs-online 3.62 triple ramp & cooler, MCS 2-way, TMS solid SF/Diff bushings, RD sway, DO88 Coolers (DCT, RAD, PS, OIL) Akra catless GT4, BPM tune, Hans Recaro, Stoptech ST60/40, Cobalt XR2/4 race pads, Apex ARC 8's, Yoko A005 slicks, RKP GT4 Splitter, GT4 canards, APR GT250 Wing, BW race CAB's, Dinan R Toe Links, Mini battery, Dry-3100 pounds