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ACT HD/Perf Street Sprung BMW 2006-2013 - BM15-HDSS

Upgrade Your BMW with the ACT BM15-HDSS Clutch Kit

If you're looking to enhance the performance of your BMW, the ACT BM15-HDSS Heavy Duty Clutch Kit is a must-have upgrade. This kit combines ACT's renowned Heavy Duty pressure plate with a high-performance street disc, designed for both spirited driving and everyday use. Whether you're a BMW 128i owner from 2008-2013 or rocking a 2011 Z4, this clutch kit is engineered to elevate your driving experience.

Why Choose the ACT BM15-HDSS?

The ACT Heavy Duty pressure plate features an innovative diaphragm design that increases clamp load while minimizing deflection. This means you get a clutch that lasts longer and performs better, especially under stress. Each diaphragm undergoes a rigorous four-stage heat-treating process, ensuring durability and reliability when you need it most.

The Performance Street disc is crafted from premium organic materials with high copper content, which enhances heat transfer and durability. It also features a steel-backed lining for greater burst strength, making it ideal for both street and track use. The reduced marcel allows for quicker shifts, ensuring that you stay ahead of the competition.

Installation Made Easy

Ready to install? Check out the installation instructions here. With the right tools and a bit of know-how, you can tackle this upgrade yourself.

Key Features

  • Light to moderate pedal effort for a smooth driving experience.
  • Extended friction life thanks to ACT's exclusive diaphragm design.
  • Engineered for high heat tolerance and reduced fade during aggressive driving.
  • 100% clamp load tested and dynamically balanced for reliable high RPM performance.

Technical Specifications

  • Clutch Master Cylinder Included: No
  • Grease Included: Yes
  • Pressure Plate Type: Heavy Duty
  • Release Bearing Included: Yes
  • Clutch Disc Diameter: 9.4 in (240 mm)
  • Input Spline Quantity: 22
  • Input Shaft Diameter: 1.125 in
  • Disc Type: Sprung
  • Product Weight: 13.8 lbs
  • Torque Capacity: 465 ft/lbs

Important Notes

  • This kit must be used with an ACT flywheel (not included).
  • Pressure plate bolts are included (M8-1.25 x 20mm).

Fitment

The ACT BM15-HDSS is compatible with the following BMW models:

  • BMW 128i 2008-2013
  • BMW 325i 2006
  • BMW 325xi 2006
  • BMW 328i 2007-2013
  • BMW 328xi 2007-2008
  • BMW 330i 2006
  • BMW 330xi 2006
  • BMW 525i 2006-2007
  • BMW 525xi 2006-2007
  • BMW 528i 2008-2010
  • BMW 528xi 2008
  • BMW 530i 2006-2007
  • BMW 530xi 2006-2007
  • BMW X3 2006-2011
  • BMW Z4 2006-2011

Upgrade your BMW's clutch system with the ACT BM15-HDSS kit and enjoy a more engaging driving experience. With its robust construction and performance-oriented design, this clutch kit is built for those who demand more from their vehicles.

Other Part Numbers:
ACT #actBM15-HDSS

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2008-2013
 BMW 128i
2006
 BMW 325i
2006
 BMW 325xi
2007-2013
 BMW 328i
2007-2008
 BMW 328xi
2006
 BMW 330i
2006
 BMW 330xi
2006-2007
 BMW 525i
2006-2007
 BMW 525xi
2008-2010
 BMW 528i
2008
 BMW 528xi
2006-2007
 BMW 530i
2006-2007
 BMW 530xi
2006-2011
 BMW X3
2006-2011
 BMW Z4

ACT Banner

ACT ? Advanced Clutch Technology | Clutch Kits & Flywheels Built to Handle Real Power

If you've added boost, tuned for more power, or simply want better throttle control, then your stock clutch won't cut it. That?s where ACT (Advanced Clutch Technology) comes in delivering high-performance clutch kits and flywheels designed for real drivers who push their builds on the street, strip, or track.

ACT?s lineup includes everything from daily driver friendly HD kits to hardcore twin disc setups for serious horsepower. Whether you?re launching hard in a WRX, drifting in a 370Z, or canyon carving in an M3, ACT gives you the torque capacity and engagement you need without sacrificing drivability.

Why ACT? Because Power Without Control Is Useless.
  • Hold More Power Engineered to handle turbo, supercharger, and high-compression builds
  • Faster Engagement Stronger pressure plates for better bite off the line
  • Better Pedal Feel Balanced response without going full race-car stiff
  • Reduced Rotational Mass Lightweight flywheels improve rev-matching and response
  • No Guesswork Direct-fit applications, no fabbing, no hassle
ACT Clutch Kits and Flywheels Fit the Cars Enthusiasts Build

ACT doesn?t just make universal performance parts ? they build complete, vehicle-specific clutch solutions for enthusiast favorites. Whether you daily a Civic Type R, track a Subaru STI, drift a 240SX, or drag a Mustang GT, ACT offers the right clutch to match your build goals.

Top supported platforms include the Nissan 350Z/370Z, Toyota Supra A90, Chevy Camaro SS/ZL1, Mitsubishi Evo, Ford Focus RS/ST, and BMW M3/M4 ? each with clutch options tuned to your driving needs.

What ACT Offers:
  • Performance Clutch Kits From HD street kits to twin-disc race systems
  • Clutch Discs 6-puck, full-face, rigid or sprung to match your style
  • Pressure Plates Heavy-duty options that increase clamp load without sacrificing control
  • Chromoly Lightweight Flywheels Quicker revs, smoother shifts, and less drivetrain stress
  • Complete Hardware Kits Everything you need for a proper install
Performance Tested. Driver Approved.

ACT isn?t hype ? it?s proven. Their clutches are SFI-certified, track-tested, and used by racers in drag, time attack, autocross, drift, and rally. But what really matters? They hold power, last longer, and feel right even after hundreds of hard launches or hours of canyon carving.

Whether you're upgrading for more power or replacing a tired OEM clutch, ACT gives you the bite, strength, and feel to drive harder with confidence. No compromises, no excuses just parts that work when it matters.

ACT warrants all products to be free of defects in materials and workmanship for normal use and service for a period of one (1) year from retail purchase. Written notice must be immediately given to ACT within the warranty period. We require a copy of the purchase receipt showing the unit was purchased from an Authorized Dealer or Advanced Clutch Technology directly to verify the product is under warranty. Products purchased used do not carry a warranty. This warranty is to the original purchaser and is non-transferable. All non-warranty items are subject to a $50 inspection bench test fee.

ACT reserves the right to examine any part returned for warranty claim to determine, to ACT's satisfaction, whether the material or workmanship of the part does not conform to this limited warranty. ACT's obligation under this warranty shall be limited to repairing, replacing, or crediting, at its option, any part which is deemed covered by ACT. No labor, lift or storage charges will be reimbursed for any reason. Damage to ACT's parts resulting from misuse, improper use, or abuse shall void this limited warranty. Failure to follow ACT's installation instructions and the vehicle manufacturers installation procedures and specifications shall void this limited warranty.

ACT undertakes no responsibility for the quality of the goods except as otherwise provided in this contract. ACT assumes no responsibility that the goods will be fit for any particular purpose for which you may be buying these goods, except as otherwise provided in the contract. ACT shall not be liable for any damage or injury to persons or property resulting from improper installation or misuse of any part subject to this warranty.

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