The SPEC Stage 2 clutch kit is a single-plate solution for specific BMW models, offering increased holding capacity over stock for moderately modified engines. It lists compatibility with 2011–2013 BMW 335, 2011–2016 BMW 535, and 2012–2017 BMW 335i (F30) and requires SB55S-2 or SB55A-2 FW. This kit suits drivers seeking firmer engagement and greater torque handling without moving to multi-plate systems.
Spec 11-13 BMW 335/11-16 BMW 535/12-17 BMW 335i (F30) Stage 2 Clutch (Must Use w/SB55S-2 or SB55A-2)