The SPEC Stage 1 clutch kit fits select BMW applications and supplies a single-plate clutch solution for improved drivability. Compatible with 2011–2013 BMW 335, 2011–2016 BMW 535, and 2012–2017 BMW 335i (F30) configurations, the kit requires SB55S-2 or SB55A-2 FW as noted. It’s intended as a factory-style replacement that restores clutch engagement and torque capacity for stock or mildly tuned engines.
Spec 11-13 BMW 335/11-16 BMW 535/12-17 BMW 335i (F30) Stage 1 Clutch Kit (Req SB55S-2 or SB55A-2 FW)