SPEC SB533F Stage 3+ Clutch Kit for 07-20 BMW 3.0L N54/N55/N56

Vehicle Fitment

• 2007-2010 BMW 135i (3.0L N54, RWD)
• 2007-2013 BMW 335i (3.0L N54/N55, RWD)
• 2011-2013 BMW 335is (3.0L N54, RWD)
• 2014-2019 BMW 340i (3.0L B58, RWD/AWD)
• 2015-2020 BMW 440i (3.0L B58, RWD/AWD)
• 2007-2010 BMW 535i (3.0L N54/N55, RWD)
• Selected BMW Z4 & M variants with 3.0L engines (varies by year)

Features

• Stage 3+ performance clutch kit with high-capacity friction disc
• Carbon semi-metallic full-face disc for stronger torque handling
• Rigid hub design improves throttle response and load capacity
• High clamp pressure pressure plate for aggressive engagement
• Designed for street, strip, and high-power applications
• Improved heat resistance and fatigue durability over stock
• Includes alignment tool for easier installation
• Balanced for performance driving and frequent use

Specifications

• Part Number: SB533F
• Clutch Stage: Stage 3+ high-performance
• Friction Disc: Carbon composite semi-metallic full-face
• Hub Style: Rigid hub for maximum power transfer
• Torque Capacity: ~650 ft-lbs at flywheel (approximate)
• Spline Count: 26 (typical BMW manual applications)
• Flywheel: Not included (SPEC performance flywheel recommended)
• Recommended Use: Street performance, high-power builds, drag/race

Included Components

• 1x Stage 3+ SPEC clutch assembly (disc & pressure plate)
• 1x Alignment tool

Product Description

The SPEC SB533F Stage 3+ Clutch Kit is a robust performance clutch upgrade engineered for BMW 3.0L vehicles - including 135i, 335i/335is, 340i, 440i, 535i and select Z4 models - across the 2007-2020 range. Built for applications that exceed stock torque limits, the Stage 3+ full-face carbon semi-metallic disc paired with a rigid hub design provides significantly greater torque capacity and load resilience compared with standard or lower-stage clutch kits. This makes SB533F ideal for high-power street cars, drag-strip machines, and enthusiast builds where strong clutch engagement and repeatability are crucial.

While the kit includes the clutch disc, pressure plate, and alignment tool, it does **not** include a flywheel - pairing this kit with a SPEC single-mass performance flywheel is strongly recommended to maximize power transfer and pedal feel. Installation requires a complete transmission drop, and professional installation along with a proper break-in procedure are advised to ensure longevity and optimal performance under demanding use. This clutch is particularly suited for vehicles with upgraded turbos, tuned engines, or applications pushing beyond OEM torque levels, delivering strong engagement and durability for spirited driving.