SPEC

Spec 07-10 BMW 335i/135i Stage 1 Clutch Kit *Requires SB53A-2 Flywheel* - SB531-2

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SKU:
SPECSB531-2
MPN:
SB531-2
Availability:
Regularly stocked product
MSRP: $759.00
$683.10
— You save $75.90
Current Stock: 2

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Frequently bought together:

Description

What is the primary benefit of the SPEC Stage 1 Clutch Kit?
This SPEC Stage 1 Clutch Kit delivers a crisp, responsive engagement, transforming your BMW's drivetrain for a more connected and exhilarating acceleration experience.

Can I install the SPEC Stage 1 Clutch Kit myself?
Professional installation is strongly recommended for this SPEC Stage 1 Clutch Kit to ensure optimal performance and a precise, connected driving feel.

SPEC Stage 1 Clutch Kits are engineered for 2007-2010 BMW 335i/135i models, delivering enhanced performance with an excellent Street Performance score of 8. This kit requires the SB53A-2 Flywheel for proper function and optimal engagement. Experience smoother gear changes and exhilarating acceleration with this advanced Clutch Kit - Single.

What Owners Say

Owners and enthusiasts praise the SPEC Stage 1 for its excellent street manners, with many highlighting the lack of chatter or shudder while delivering solid grip for autocross, light drag, and track use. The pedal feel stands out as notably good compared to other high-performance clutches, with quick engagement that remains manageable for daily driving. Some long-term users express concerns about durability, noting that SPEC clutches haven't always fared well over extended periods compared to OEM LS7 alternatives. For drivers seeking a performance upgrade that maintains streetability without harsh engagement characteristics, the Stage 1 has earned respect as a capable option for modified OEM-style setups.

Key Features

  • 07-10 BMW 335i/135i Stage 1 Clutch Kit
  • Requires SB53A-2 Flywheel

Why Choose the SPEC Stage 1 Clutch Kits

Delivers a crisp, responsive clutch engagement for exhilarating acceleration.

Transforms your BMW's drivetrain for a more connected driving feel.

Achieves smoother gear changes, enhancing your overall driving pleasure.

Provides reliable performance for spirited driving and track day enthusiasts.

Who Is This For?

Street Performance — 8/10
Engineered for enhanced performance on street models.

Track / Autocross — 7/10
Enhanced performance suitable for track conditions.

Drag Racing — 6/10
Enhanced performance may benefit drag racing.

Engine Performance — 8/10
Designed for enhanced performance.

Daily Driving Comfort — 5/10
No data provided on comfort characteristics.

Frequently Asked Questions

Is the SPEC Stage 1 Clutch Kit worth upgrading for my BMW 135i/335i?

Upgrading to the SPEC Stage 1 Clutch Kit delivers a crisp, responsive clutch engagement for exhilarating acceleration. This kit is best for owners of 2007-2009 BMW 135i/335i seeking improved street and track performance, providing a more connected driving feel than stock. Experience enhanced performance and a more exhilarating driving experience.

How should I approach installing the SPEC Stage 1 Clutch Kit?

Professional installation is recommended for the SPEC Stage 1 Clutch Kit. This ensures proper fitment and optimal performance, aligning with the recommended install type for complex drivetrain components. Confirm fitment with a qualified technician for a confident and precise installation.

What kind of performance can I expect from the SPEC Stage 1 Clutch Kit on the street?

Expect significantly enhanced street performance with the SPEC Stage 1 Clutch Kit, scoring an 8 out of 10 for this use case. This upgrade transforms your BMW's drivetrain for a more connected driving feel, offering crisp engagement for spirited driving. Enjoy a superior driving experience tailored for performance enthusiasts.

Does the SPEC Stage 1 Clutch Kit fit my 2008 BMW 335i?

The SPEC Stage 1 Clutch Kit is engineered for 2007-2009 BMW 335i and 135i models, including your 2008 335i. This specific kit requires the SB53A-2 Flywheel for proper fitment and optimal function. Confirm fitment with your vehicle to ensure a perfect match.

Can the SPEC Stage 1 Clutch Kit handle track day use?

The SPEC Stage 1 Clutch Kit provides reliable performance for spirited driving and track day enthusiasts, scoring a 7 out of 10 for Track/Autocross use. Its design delivers smoother gear changes, enhancing your overall driving pleasure on the circuit. Trust in its engineered capability for demanding conditions.

Additional Resources

Official SPEC Product Page

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Additional Information

Clearance Item:
N
MPN:
SB531-2
Proposition 65:
N
Case Lot Quantity:
1
Category:
Drivetrain>Clutch Kits - Single
Product Level:
Mid Range
Street Performance:
8/10
Track / Autocross:
7/10
Product Level:
Mid Range
Drag Racing:
6/10
Engine Performance:
8/10
Daily Driving Comfort:
5/10
Street Performance:
8/10
Track / Autocross:
7/10
Drag Racing:
6/10
Engine Performance:
8/10
Daily Driving Comfort:
5/10
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