ACT BM9-HDSS HD/Perf Street Sprung Clutch Kit for 01-06 BMW M3 E46 3.2L I6

Vehicle Fitment

• 2001-2006 BMW M3 (E46, 3.2L I6 S54, 6-Speed Manual)

Features

• Heavy Duty pressure plate increases clamp load by 20-50% over stock
• Performance organic street disc with high copper content for improved heat transfer
• Sprung hub design reduces drivetrain shock and enhances drivability
• Precision cover stampings ensure rigidity and consistency
• Four-stage heat-treated diaphragm for unparalleled performance
• Designed for street and light track use
• Compatible with ACT Prolite or Streetlite flywheels
• Direct bolt-on installation with included hardware

Specifications

• Part Number: BM9-HDSS
• Clutch Disc Diameter: 240mm (9.4")
• Torque Capacity: 465 ft-lbs (52% increase over OE)
• Disc Type: Sprung hub, organic friction material
• Pressure Plate Type: Heavy Duty
• Flywheel Compatibility: ACT Prolite or Streetlite (sold separately)
• Input Shaft Spline Count: 10
• Warranty: 1-Year Manufacturer Warranty

Included Components

• 1x Heavy Duty Pressure Plate
• 1x Performance Street Sprung Disc
• 1x Release Bearing
• 1x Pilot Bearing
• 1x Alignment Tool
• Installation Hardware
• Installation Instructions

Product Description

The ACT BM9-HDSS Heavy Duty Performance Street Sprung Clutch Kit is engineered to enhance the driving experience of your 2001-2006 BMW M3 E46 equipped with the 3.2L S54 inline-six engine. This kit combines ACT's most popular Heavy Duty pressure plate with a performance organic street disc, delivering a significant increase in torque capacity while maintaining smooth engagement and drivability.

The Heavy Duty pressure plate provides a 20-50% increase in clamp load over the factory unit, resulting in improved power transfer and clutch life. The performance street disc features premium organic materials with high copper content for better heat dissipation and a sprung hub design to reduce drivetrain shock. This combination is ideal for enthusiasts seeking a reliable upgrade for street use and occasional track days.

Note: This clutch kit is designed to be used with ACT's Prolite or Streetlite flywheels (sold separately) for proper fitment and performance. It is compatible with 6-speed manual transmission BMW M3 E46 models from 2001 to 2006.