Performance Clutch Kits

The factory BMW S55 dual-mass flywheel is engineered with comfort in mind, catering to the luxury-oriented expectations of the brand’s driving experience. Its design focuses on dampening drivetrain vibrations, smoothing out gear transitions, and minimizing harshness during operation. However, this refinement costs valuable performance. The dual-mass flywheel adds a substantial 26.5 lbs of rotational mass to the drivetrain, which significantly hinders throttle response and makes rev-matching feel sluggish and disconnected. Moreover, dual-mass flywheels are notorious for being a weak link in modified or high-performance builds and can prove costly to replace when they inevitably fail.

Our Single-Mass Lightweight Flywheel Conversion addresses all of these shortcomings with a purpose-built, lightweight, single-mass design that prioritizes performance. Weighing in at only 18.5 lbs., this design significantly reduces rotational mass, allowing your S55 to achieve its true motorsport potential!

Features & Benefits:

Precision machined from 4140 HT heat-treated chromoly steel for exceptional toughness, even wear properties, and increased durability.
Material quality promotes even wear across the entire friction surface, prolonging component lifespan.
Heat treated to HRC 28-32, tempered to relieve stress and improve dimensional stability.
Hardness improves component wear characteristics.
Black oxide coated for corrosion resistance on non-friction surfaces.
Precision balanced to exceed OEM specification (G16 spec to 175g-mm).
SFI 1.1 certified to ensure safe operation under extreme operating conditions.
Specifically designed to work with S55 OE-architecture clutches.
Optimized step height maximizes clutch clamp load and offers a prolonged service life.
Performance:

10 lbs. lighter than the factory BMW flywheel!
OEM Dual-Mass: 26.5 lbs.
Turner Motorsport Single-Mass: 18.5 lbs.
Faster revs
Improved throttle response and acceleration
Allows for a more engaging driving experience and delivers a feeling of direct connection
Installation:

Flywheel Hardware: For added peace of mind, apply Blue or Orange Loctite when installing factory flywheel bolts that do not come with pre-applied threadlocker.

BMW E30 M20 Clutch And Flywheel Kit - I/IS from Turner Motorsport offers a premium upgrade for naturally aspirated M20 engines. This comprehensive kit includes a lightweight single-mass flywheel and a Sachs clutch kit, providing a significant performance boost and refreshing the driving experience of early and late-model E30s.

• Lightweight Single-Mass Flywheel: Enhances throttle response and frees up lost horsepower by reducing rotating mass. Provides a perfect balance between lightweight performance and durability.
• Sachs OE Replacement Clutch Kit: Includes clutch disc, pressure plate, throw-out bearing, and pilot bearing, designed for reliable performance and smooth operation.
• Improved Driving Experience: Refreshes the clutch pedal feel and driving dynamics of the M20 engine, ideal for both early and late model E30s.
• Quality and Fitment: Tested and approved by Turner Motorsport for optimal performance and confirmed fitment on various E30 models.
• Additional Components: Recommended transmission seals, fluid, and mounting hardware available separately for a complete service.

BMW E36 Z3 Stage 1 Single Sprung Organic Clutch and Flywheel Kit from Turner Motorsport offers a high-performance solution with a lightweight design for improved throttle response and exceptional torque capacity. Ideal for high-performance racing applications, this kit provides the ultimate balance between drivability and power.

• Lightweight Design: Enhances throttle response and overall driving dynamics.
• High Torque Capacity: Supports up to 340 ft/lbs of torque, making it suitable for performance-driven applications.
• Precision Engineering: Features the latest pressure plate design and friction material for optimal balance between drivability and performance.
• Enhanced Pedal Feel: Carefully analyzed pivot point and diaphragm design ensure positive pedal feel and increased clamping force.

Specifications:

• Clutch Disc Diameter: 9.448"
• Clutch Disc Spline: 10
• Disc Material: Organic
• Disc Type: Sprung Solid
• Input Shaft Diameter: 1.140625"
• Flywheel Step: -3.8mm
• Maximum Torque Capacity: 340 ft/lbs
• Recommended Use: Street Use

Includes:

• Single Mass Flywheel
• 1 Sprung Organic Clutch Disc
• Pressure Plate
• Flywheel Bolts
• Pressure Plate Bolts
• Release Bearing
• Alignment Tool
• Clutch Spline Grease

XClutch performance upgrades are developed with over 30 years of experience and advanced testing facilities, offering top-notch engineering for both street and race applications.