SPEC BMW N55 B58 E82 E89 E90 E92 F20 F30 SPEC-Design Clutches for BMW 1 Series, 2 Series, 3 Series, 4 Series, 5 Series and Z4
Upgrade your BMW manual transmission with the SPEC-Design performance clutch kit for N55 and B58 engines. This is the go-to BMW clutch upgrade for serious torque holding and reliable power delivery on fast road and track. Engineered for BMW 1 Series, 2 Series, 3 Series, 4 Series, 5 Series and Z4 applications, this SPEC clutch kit is the ideal solution for BMW N55 clutch upgrade and BMW B58 clutch upgrade buyers looking for a proven, high-performance, SFI certified setup.
These SPEC-Design clutches use a non-SAC mechanism pressure plate that deviates from the OE design to deliver a lighter rotating assembly, higher rpm capability and greater clamp load. The kit requires a SPEC billet rebuildable flywheel featuring a lightweight, low MOI design with infinite rebuildability. Designed specifically to help N55 and B58 engines hold more torque and power, this BMW uprated clutch is perfect for tuned cars seeking dependable engagement and repeatable performance.
At Nforcd we have run SPEC clutches on our own builds and our customers have been consistently happy with the performance, durability and value. If you are searching for BMW 135i clutch, M135i clutch, M140i clutch, M235i clutch, 335i clutch, 435i clutch, 535i clutch or BMW Z4 35i clutch upgrades, this SPEC BMW clutch kit is a top choice.
Key features
- Non-SAC mechanism pressure plate for stronger clamp load and enhanced rpm capability
- Lighter rotating assembly for sharper engine response
- Requires SPEC billet rebuildable flywheel with lightweight, low MOI design and infinite rebuildability
- Designed to help N55 and B58 engines hold more torque and power
- SFI certified for safety
Important: This SPEC-Design clutch must be fitted with the correct SPEC flywheel. It cannot be used with an OEM designed flywheel.
Compatible flywheels:
- SPEC BMW N55 Flywheel for 1M, M135i, M235i, 335i and 435i
- SPEC BMW B58 Flywheel for M140i, M240i, 340i and 440i
Stages and torque capacity
- Stage 1: 430 ft-lbs
- Stage 2: 485 ft-lbs
- Stage 2+: 545 ft-lbs
- Stage 3: 580 ft-lbs
- Stage 3+: 671 ft-lbs
- Stage 4: 580 ft-lbs
- Stage 5: 820 ft-lbs
Choose the right SPEC clutch stage for your build based on torque target and intended use. Whether you are searching for BMW N55 Stage 2 clutch, BMW N55 Stage 3 clutch, BMW B58 Stage 3 clutch, or high-torque BMW uprated clutch solutions, there is a SPEC option to match your goals.
Vehicle compatibility
This SPEC BMW clutch kit covers popular N55 and B58 platforms, including many enthusiasts searching for BMW 135i clutch upgrade, BMW M135i clutch upgrade, BMW M140i clutch kit, BMW M235i clutch kit, BMW 335i clutch, BMW 435i clutch, BMW 535i clutch and BMW Z4 35i clutch.
M Series
- BMW E82 1M 3.0L (N54) 2011 to 2012
1 Series
- BMW E82 E88 135i 3.0L (N55) 2011 to 2013
- BMW F20 F21 M135i(x) 3.0L (N55) 2012 to 2016
- BMW F20 F21 M140i(x) 3.0L (B58) 2015 to 2019
2 Series
- BMW F22 F23 M235i 3.0L (N55) 2014 to 2019
3 Series
- BMW E90 E91 E92 E93 335i(x) 3.0L (N55) 2011 to 2013
- BMW F30 F31 335i(x) 3.0L (N55) 2012 to 2019
4 Series
- BMW F32 F33 F36 435i(x) 3.0L (N55) 2013 to 2017
5 Series
- BMW F10 F11 535i(x) 2011 to 2017
Z Series
- BMW E89 Z4 35i 2011 to 2016
Installation and support
Professional installation is recommended. For fitting, book with Nforcd in Warwickshire. Request a quote at Sales@nforcd.com. We can supply the correct SPEC flywheel and hardware for a complete BMW performance clutch upgrade package.
Compatibility check
To ensure the parts you order fit your vehicle, we run a compatibility check prior to dispatch. Provide your registration number for UK vehicles or the last 7 digits of your VIN at checkout.
Notes
- SPEC-Design clutch requires the matching SPEC flywheel. It will not fit an OEM designed flywheel.
- Image for illustration purposes and may not reflect the exact item.
- Manufactured by SPEC.
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