The ACT T1S-B01 Mod-Twin 225 HD Rigid Street Clutch Kit is a modular twin-disc clutch for 2009-2016 BMW 135i, 335i, 435i, 535i, M235i and Z4 sDrive35i models with the N55 turbo engine. The HD rigid-hub setup blends easy pedal feel and smooth, positive engagement with quick shifting, using twin steel-backed organic friction plates and a rigid chrome-moly Mono-Drive hub. This kit includes a CNC-machined and dynamically balanced flywheel, pressure plate cover, diaphragm spring, floater, patented Monoloc collar, release bearing, alignment tool and pilot bearing if needed. Mod-Twin clutches are fully rebuildable and most components can be ordered separately.
- Type: Mod-Twin 225 HD Rigid Street Clutch Kit
- Hub: rigid Mono-Drive
- Friction: twin steel-backed organic plates
- Engine: BMW N55 turbo
- Design: modular, rebuildable
- Part number: T1S-B01
Vehicle Applications
- 2009 BMW 135i
- 2010 BMW 135i
- 2011 BMW 135i
- 2012 BMW 135i
- 2013 BMW 135i
- 2009 BMW 335i
- 2010 BMW 335i
- 2011 BMW 335i
- 2012 BMW 335i
- 2013 BMW 335i
- 2014 BMW 335i
- 2015 BMW 335i
- 2009 BMW 335i xDrive
- 2010 BMW 335i xDrive
- 2011 BMW 335i xDrive
- 2012 BMW 335i xDrive
- 2013 BMW 335i xDrive
- 2014 BMW 335i xDrive
- 2015 BMW 335i xDrive
- 2011 BMW 335is
- 2012 BMW 335is
- 2013 BMW 335is
- 2014 BMW 435i
- 2015 BMW 435i
- 2016 BMW 435i
- 2014 BMW 435i xDrive
- 2015 BMW 435i xDrive
- 2016 BMW 435i xDrive
- 2009 BMW 535i
- 2010 BMW 535i
- 2011 BMW 535i
- 2012 BMW 535i
- 2013 BMW 535i
- 2014 BMW 535i
- 2015 BMW 535i
- 2016 BMW 535i
- 2009 BMW 535i xDrive
- 2010 BMW 535i xDrive
- 2014 BMW M235i
- 2015 BMW M235i
- 2016 BMW M235i
- 2009 BMW Z4
- 2010 BMW Z4
- 2011 BMW Z4
- 2012 BMW Z4
- 2013 BMW Z4
- 2014 BMW Z4
- 2015 BMW Z4
- 2016 BMW Z4
FAQ
What does the T1S-B01 fit?
It fits 2009-2016 BMW 135i, 335i, 435i, 535i, M235i and Z4 sDrive35i models with the N55 turbo engine.
Is it a twin-disc clutch?
Yes. It is a Mod-Twin modular twin-disc clutch for high-torque applications.
Can it be rebuilt?
Yes. Mod-Twin clutches are fully rebuildable and most components can be ordered separately.

