What is the main benefit of a steel flywheel over a dual-mass flywheel?

Steel flywheels, like this SPEC model, are typically lighter and have a more solid construction than factory dual-mass flywheels. This often results in a more direct and responsive clutch engagement, which can improve the feel of shifting.

Does this flywheel come with the necessary hardware for installation?

This SPEC steel flywheel is sold individually. It is recommended to purchase new flywheel bolts and inspect your clutch disc and pressure plate for wear, as these components are typically replaced at the same time as the flywheel.

How should I prepare the flywheel surface before installation?

Before installing the flywheel, ensure the friction surface is completely clean and free of any oil, grease, or contaminants. Using a brake cleaner or similar solvent is recommended for proper preparation.

Specifications

Brand: SPEC
Part #: SB53S-4

Spec 10 BMW 135 / 10 335 / 10 535 Steel Flywheel

Name: Spec 10 BMW 135 / 10 335 / 10 535 Steel Flywheel
Brand: SPEC
SKU: spec-spec-10-bmw-135-10-335-10-535-steel-flywheel-t14-301176
Price: 647.96 USD
Availability: BackOrder

$647.96

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2009-2012 BMW 335i. This SPEC steel flywheel is a direct replacement for your stock unit, offering improved engagement for manual transmissions.

Key Features

Fits 2009-2012 BMW 335i, 2010-2012 BMW 135i, and 2010-2012 BMW 535i models.
Constructed from a single-piece forging of high-grade steel for durability.
Designed as a direct replacement for the factory flywheel.
Precisely balanced to factory specifications for smooth operation.
Offers improved clutch engagement and responsiveness.
Well-built to withstand the stresses of daily driving and performance use.

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About this part

Product Details

This SPEC steel flywheel is built from a solid, single-piece forging of high-grade steel, ensuring it can handle the demands of your BMW's drivetrain. It's designed as a direct replacement for the factory flywheel on 2009-2012 335i, 2010-2012 135i, and 2010-2012 535i models, making installation straightforward. The material choice and construction contribute to a more responsive clutch engagement compared to heavier dual-mass flywheels, which can feel sluggish under spirited driving.

The SB53S-4 flywheel features a precise balance that matches the factory specification, which is crucial for smooth operation and preventing unwanted vibrations. Its robust steel construction means it's built to last, resisting the heat and stress that can cause premature wear or failure in lesser components. This is a well-built part that aims to restore or even improve the feel of your clutch pedal and the overall responsiveness of your manual transmission.

When installing this flywheel, it's important to ensure the mating surface is clean and free of any oil or grease. You'll also want to replace your clutch disc and pressure plate at the same time for a complete and reliable clutch job. This SPEC flywheel is a solid option if you're looking to maintain or enhance the performance and longevity of your manual transmission setup.