ACT HD/Perf Street Sprung Clutch Kit — Fits 07-12 BMW 135i/335i/535i/Z4

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SKU: ACTBM14-HDSS
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Sale price$872.91 Regular price$1,081.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

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ACT Heavy Duty / Performance Street Sprung Clutch Kit - BM14-HDSS

Enhance your BMW's clutch performance with the ACT BM14-HDSS Heavy Duty / Performance Street Sprung Clutch Kit. This kit is designed to provide a robust and reliable upgrade for your vehicle, combining ACT's proven Heavy Duty pressure plate with their popular Performance Street disc. It's the ideal choice for drivers seeking improved engagement, increased durability, and consistent performance for both daily driving and spirited track sessions.

Key Features for Enhanced Driving:

  • Heavy Duty Pressure Plate: Engineered with ACT's exclusive diaphragm design, this pressure plate increases clamp load, minimizes deflection, and extends clutch life, ensuring dependable power transfer.
  • Performance Street Disc: Features premium organic friction materials with high copper content for excellent heat dissipation. The steel-backed lining provides superior burst strength, while the reduced marcel design facilitates quicker shifts.
  • Durable Construction: All diaphragms undergo a critical four-stage heat-treating process, and precision cover stampings ensure rigidity and consistent clutch operation under various conditions.
  • Sprung Hub Design: The sprung hub effectively dampens torsional vibrations, contributing to a smoother engagement and protecting the drivetrain components from excessive shock.

Vehicle Compatibility:

This ACT clutch kit is designed to fit a range of BMW models, including:

  • BMW 1 Series: 2008-2012 135i
  • BMW 3 Series: 2007-2012 335i, 2007-2012 335xi, 2011-2012 335is
  • BMW 5 Series: 2008-2012 535i, 2008-2012 535xi
  • BMW Z4: 2009-2011 Z4

Upgrade your BMW's clutch system with the reliability and performance of the ACT BM14-HDSS kit. Perfect for enthusiasts looking for a significant improvement in clutch feel and durability. Shop the best performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2008-2013 BMW 135i Base
2007-2015 BMW 335i Base
2009-2015 BMW 335i xDrive Base
2011-2013 BMW 335is Base
2007-2008 BMW 335xi Base
2014-2016 BMW 435i Base
2014-2016 BMW 435i xDrive Base
2008-2014 BMW 535i Base
2009-2010 BMW 535i xDrive Base
2009-2016 BMW Z4 sDrive35i

Product Details

Product Description
Part Numbers
Sizing & Fit

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ACT Heavy Duty / Performance Street Sprung Clutch Kit - BM14-HDSS

Enhance your BMW's clutch performance with the ACT BM14-HDSS Heavy Duty / Performance Street Sprung Clutch Kit. This kit is designed to provide a robust and reliable upgrade for your vehicle, combining ACT's proven Heavy Duty pressure plate with their popular Performance Street disc. It's the ideal choice for drivers seeking improved engagement, increased durability, and consistent performance for both daily driving and spirited track sessions.

Key Features for Enhanced Driving:

  • Heavy Duty Pressure Plate: Engineered with ACT's exclusive diaphragm design, this pressure plate increases clamp load, minimizes deflection, and extends clutch life, ensuring dependable power transfer.
  • Performance Street Disc: Features premium organic friction materials with high copper content for excellent heat dissipation. The steel-backed lining provides superior burst strength, while the reduced marcel design facilitates quicker shifts.
  • Durable Construction: All diaphragms undergo a critical four-stage heat-treating process, and precision cover stampings ensure rigidity and consistent clutch operation under various conditions.
  • Sprung Hub Design: The sprung hub effectively dampens torsional vibrations, contributing to a smoother engagement and protecting the drivetrain components from excessive shock.

Vehicle Compatibility:

This ACT clutch kit is designed to fit a range of BMW models, including:

  • BMW 1 Series: 2008-2012 135i
  • BMW 3 Series: 2007-2012 335i, 2007-2012 335xi, 2011-2012 335is
  • BMW 5 Series: 2008-2012 535i, 2008-2012 535xi
  • BMW Z4: 2009-2011 Z4

Upgrade your BMW's clutch system with the reliability and performance of the ACT BM14-HDSS kit. Perfect for enthusiasts looking for a significant improvement in clutch feel and durability. Shop the best performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2008-2013 BMW 135i Base
2007-2015 BMW 335i Base
2009-2015 BMW 335i xDrive Base
2011-2013 BMW 335is Base
2007-2008 BMW 335xi Base
2014-2016 BMW 435i Base
2014-2016 BMW 435i xDrive Base
2008-2014 BMW 535i Base
2009-2010 BMW 535i xDrive Base
2009-2016 BMW Z4 sDrive35i

Product Details

Product Description

About ACT

ACT engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACT lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ACT Heavy Duty / Performance Street Sprung Clutch Kit - BM14-HDSS

Enhance your BMW's clutch performance with the ACT BM14-HDSS Heavy Duty / Performance Street Sprung Clutch Kit. This kit is designed to provide a robust and reliable upgrade for your vehicle, combining ACT's proven Heavy Duty pressure plate with their popular Performance Street disc. It's the ideal choice for drivers seeking improved engagement, increased durability, and consistent performance for both daily driving and spirited track sessions.

Key Features for Enhanced Driving:

  • Heavy Duty Pressure Plate: Engineered with ACT's exclusive diaphragm design, this pressure plate increases clamp load, minimizes deflection, and extends clutch life, ensuring dependable power transfer.
  • Performance Street Disc: Features premium organic friction materials with high copper content for excellent heat dissipation. The steel-backed lining provides superior burst strength, while the reduced marcel design facilitates quicker shifts.
  • Durable Construction: All diaphragms undergo a critical four-stage heat-treating process, and precision cover stampings ensure rigidity and consistent clutch operation under various conditions.
  • Sprung Hub Design: The sprung hub effectively dampens torsional vibrations, contributing to a smoother engagement and protecting the drivetrain components from excessive shock.

Vehicle Compatibility:

This ACT clutch kit is designed to fit a range of BMW models, including:

  • BMW 1 Series: 2008-2012 135i
  • BMW 3 Series: 2007-2012 335i, 2007-2012 335xi, 2011-2012 335is
  • BMW 5 Series: 2008-2012 535i, 2008-2012 535xi
  • BMW Z4: 2009-2011 Z4

Upgrade your BMW's clutch system with the reliability and performance of the ACT BM14-HDSS kit. Perfect for enthusiasts looking for a significant improvement in clutch feel and durability. Shop the best performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2008-2013 BMW 135i Base
2007-2015 BMW 335i Base
2009-2015 BMW 335i xDrive Base
2011-2013 BMW 335is Base
2007-2008 BMW 335xi Base
2014-2016 BMW 435i Base
2014-2016 BMW 435i xDrive Base
2008-2014 BMW 535i Base
2009-2010 BMW 535i xDrive Base
2009-2016 BMW Z4 sDrive35i

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