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  See more parts for BMW 318i
Select the year of your BMW 318i:
ACT HD/Race Rigid 4 Pad Kit BMW 318 | 323 | 325 | 328 | 330 | 525 | 528 | 530 | M3 | Z3 1991-2003 - BM13-HDR4

If you’re looking to amp up your BMW’s clutch game, the ACT HD/Race Rigid 4 Pad Kit (BM13-HDR4) is definitely worth a look. This isn’t just another clutch kit; it’s built for those who want to push their ride to the limit. The heavy-duty pressure plate here is a standout feature, designed with an exclusive diaphragm that cranks up the clamp load while keeping deflection in check. What does that mean for you? Longer clutch life and better performance when you need it most.

Now, let’s talk about the nitty-gritty. ACT’s pressure plates go through a serious four-stage heat-treating process, which means they can handle the heat better than your average clutch. Plus, the precision cover stampings give you that extra rigidity and consistency you want when you're shifting gears. The 4-pad rigid race disc is made from high-quality ceramic friction materials—think durability and high heat tolerance. And with a lightweight design, it allows for quicker shifts, making your driving experience smoother and more responsive.

Sure, the engagement is a bit harsher, but if you’re serious about performance, you’ll appreciate the faster shifts that come with it. This setup is particularly well-suited for smaller engines, so if you’re rocking a compact BMW, you’re in luck. Just a heads up—while it’s designed for high performance, it’s recommended strictly for race use. So, if you’re hitting the track, this is your go-to kit.

Here’s what you get:

  • Light to moderate pedal effort with aggressive engagement—perfect for those quick shifts.
  • Moderate friction life, extended thanks to that clever diaphragm design.
  • Carefully engineered and balanced for smooth high RPM reliability.
  • 100% clamp load tested—no surprises here.

Specifications:

  • Clutch Disc Diameter: 9.4 in (240 mm)
  • Torque Capacity: 596 ft/lbs.
  • Input Spline Quantity: 10
  • Input Shaft Diameter: 1.125 in
  • Weight: 23.2 lbs.

What’s in the box:

  • ACT Prolite flywheel (you’ll need this, trust me)
  • Flywheel bolts and pressure plate bolts included
  • Grease and alignment tool

Fitment: This kit fits a range of BMW models from the 1996-2003 era, including the 318i, 325i, M3, and even the Z3. Just make sure you check the specifics for your ride to ensure a perfect match.

So, if you're ready to take your driving experience to the next level, this clutch kit might just be what you need. It’s not for the faint of heart, but if you’re serious about performance, you’ll appreciate the difference.

Other Part Numbers:
ACT #actBM13-HDR4

Proposition 65

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

Vehicle
1996-1999
 BMW 318i
1996-1999
 BMW 318is
1996-1999
 BMW 318ti
2000
 BMW 323Ci
1998-2000
 BMW 323i
1998-1999
 BMW 323is
2001-2003
 BMW 325Ci
1992, 2001-2003
 BMW 325i
1992
 BMW 325is
2001-2003
 BMW 325xi
2000
 BMW 328Ci
1996-2000
 BMW 328i
1996-1999
 BMW 328is
2001-2003
 BMW 330Ci
2001-2003
 BMW 330i
2001-2003
 BMW 330xi
1991-1995, 2001-2003
 BMW 525i
1997-2000
 BMW 528i
2001-2003
 BMW 530i
1996-1999
 BMW M3
1996-2002
 BMW Z3
1998-2002
 BMW Z3 M

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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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