ACT BM14-XTSS Extreme Street Sprung Clutch Kit 240 mm for 07-16 BMW

Vehicle Fitment

• 2008-2013 BMW 1 Series 135i (N54/N55 3.0 L I6; RWD; manual)
• 2007-2015 BMW 3 Series 335i (N54/N55 3.0 L I6; RWD/ xDrive; manual)
• 2009-2015 BMW 3 Series 335i xDrive (N54/N55 3.0 L I6; AWD; manual)
• 2011-2013 BMW 335is (N54 3.0 L I6; manual)
• 2007-2008 BMW 3 Series 335xi (N54 3.0 L I6; AWD; manual)
• 2014-2016 BMW 4 Series 435i (N54/N55 3.0 L I6; RWD/ xDrive; manual)
• 2014-2016 BMW 5 Series 535i (N54/N55 3.0 L I6; RWD/ xDrive; manual)
• 2009-2016 BMW Z4 sDrive35i (N54/N55 3.0 L I6; RWD; manual)

Features

• ACT Extreme Xtreme pressure plate for boosted clamp load and torque capacity
• Performance street sprung clutch disc with premium organic friction
• Steel-backed lining for enhanced burst strength and durability
• Reduced marcel design for quicker engagement and shift response
• Dynamically computer-balanced for smooth high-RPM operation
• Moderate to firm pedal effort optimized for street performance
• Quiet engagement with improved overall life span vs OE
• Includes necessary alignment tool and hardware for installation

Specifications

• Brand: ACT (Advanced Clutch Technology)
• Part Number: BM14-XTSS
• Clutch Disc Diameter: 9.4 in / 240 mm
• Torque Capacity: ~549 ft-lbs (≈79 % over stock)
• Disc Material: Organic with high copper content
• Pressure Plate: Xtreme diaphragm design
• Spline Count: 26 splines
• Input Shaft Diameter: ~1.375 in (35 mm)
• Weight: ~19.5 lbs total kit
• Flywheel: Not included (compatible with ACT flywheels)

Included Components

• 1x Xtreme Pressure Plate
• 1x Sprung Organic Clutch Disc (9.4 in / 240 mm)
• 1x Clutch Release Bearing
• 1x Alignment Tool
• Pressure Plate Bolts (M8-1.25 x 20 mm)

Product Description

The ACT BM14-XTSS Extreme Performance Street Sprung Clutch Kit is a high-capacity, direct-fit clutch upgrade engineered for select BMW vehicles equipped with 3.0 L N54/N55 straight-six engines and manual transmissions. Featuring ACT's Xtreme pressure plate paired with a premium organic, sprung clutch disc, this kit dramatically increases torque capacity - up to approximately 549 ft-lbs (≈79 % over stock) - for improved durability, quicker shifts, and enhanced throttle response in spirited street and occasional track use.

Designed with a reduced-marcel, steel-backed friction disc for greater burst strength and heat tolerance, the BM14-XTSS maintains smooth engagement and reliable performance. The pressure plate's exclusive diaphragm design increases rigidity and clamp consistency, while dynamic balancing helps mitigate vibration at high RPMs. As a performance-oriented clutch kit, it includes the clutch disc, extreme pressure plate, release bearing, alignment tool, and necessary hardware - but does not include the flywheel, so pairing with a compatible ACT flywheel is recommended for optimal results.