Alright, let’s talk about the ACT Heavy Duty/Performance Street Sprung Kit, specifically the BM13-HDSS. If you’re looking to upgrade your clutch setup, this is a solid choice. It features ACT’s most popular heavy-duty pressure plate paired with a street disc that’s been tried and tested by folks who know their way around a BMW. You’ll notice right off the bat that the diaphragm design is a game changer—it cranks up the clamp load, minimizes deflection, and really helps extend the life of your clutch. Plus, every diaphragm goes through a four-stage heat-treating process, which means it’s built to handle some serious heat without breaking a sweat.

The pressure plates are made with precision cover stampings, giving you that extra rigidity and consistency you want when you’re pushing your car hard. The Performance Street discs are no slouches either; they’re crafted from premium organic materials that have a high copper content for better heat transfer. They’ve even got a steel-backed lining for durability and strength, so you can count on them when it matters most. And if you like quick shifts, you’ll appreciate the reduced marcel that lets you shift faster without missing a beat.

Install Instructions:

• For Instructions CLICK HERE

Features:

• Light to moderate pedal effort, so it’s not a workout to drive.
• Smooth engagement that feels good, with just a hint of gear rattle—perfect for spirited driving.
• Longer friction life thanks to ACT’s unique diaphragm design, making it last longer on the road.
• Engineered and balanced for reliability at high RPMs—no surprises here.

Specifications:

• Clutch Master Cylinder Included: No
• Grease Included: Yes
• Grade Type: Performance
• Flywheel Included: Yes
• Pilot Bushing Included: No
• Pressure Plate Type: Heavy Duty
• Release Bearing Included: Yes
• Clutch Disc Diameter: 9.4 in (240 mm)
• Disc Material: Organic
• Input Spline Quantity: 10
• Input Shaft Diameter: 1.125 in
• Alignment Tool Included: Yes
• Disc Type Sprung Solid: Sprung
• Pressure Plate Bolts Included: Yes
• Clutch Slave Cylinder Included: No
• Flywheel Bolts Included: Yes
• Pilot Bearing Included: Yes
• Flywheel Type: Prolite
• Product Weight: 24.8 lbs
• Torque Capacity: 465 ft/lbs
• Torque Capacity Over OE: 0.52

Notes:

• This is a conversion kit that includes an ACT Prolite flywheel. You need to use the ACT flywheel that comes with it. Flywheel bolts and pressure plate bolts are included, so you’re all set there.

Products Fitment:

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