SPEC BMW N54 Single Mass Flywheel (SMF) - OEM Fitment Lightweight Billet Aluminium or Steel Upgrade for 135i, 335i & 335d (2007-2012)
SPEC BMW N54 Single Mass Flywheel (SMF) - OEM Fitment Lightweight Billet Aluminium or Steel Upgrade for 135i, 335i & 335d (2007-2012)
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SPEC BMW N54 Single Mass Flywheel (SMF) - OEM Fitment Lightweight Billet Aluminium or Steel Upgrade for 135i, 335i & 335d (2007-2012)

£616.55
£616.55
£649.00
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SPEC BMW N54 OEM-Fitting Single Mass Flywheel Upgrade for 135i, 335i and 335d

Get faster revs, sharper throttle response and a more direct clutch feel with the SPEC BMW N54 OEM-fitting single mass flywheel. This performance flywheel upgrade is built for enthusiasts who want a reliable, OEM-compatible solution for BMW 135i, 335i and 335d models. Available in billet aluminium or billet steel, it is designed to work with SPEC OEM clutch kits as well as the stock or any OEM-designed aftermarket self-ratcheting pressure plate.

Why choose the SPEC N54 single mass flywheel

  • OEM fitment for BMW N54 platforms including 135i, 335i and 335d
  • Single mass flywheel for quicker engine response and a more connected driving feel
  • Billet aluminium flywheel weighs 15 lbs for lightweight performance
  • Billet steel flywheel weighs 25 lbs for durability and smooth drivability
  • Aluminium version includes a wear plate
  • Compatible with stock and OEM-designed aftermarket self-ratcheting pressure plates
  • Ideal with SPEC OEM clutch kits for a complete upgrade

We run these SPEC single mass flywheels on our own builds and our customers love the improved response and pedal feel. It is a proven, OEM-friendly performance upgrade for road and track.

What is included

  • SPEC single mass flywheel in your choice of billet aluminium or billet steel
  • Billet pilot pin
  • Race bolt kit

Note: Not compatible with E82 1M. The 1M uses an N55 type gearbox.

Compatibility

  • BMW 135i 3.0L N54 2007 to 2009
  • BMW 135i 3.0L N54 2009 to 2012
  • BMW 335i 3.0L 2007 to 2009
  • BMW 335i 3.0L 2009 to 2012
  • BMW 335d 3.0L 2007 to 2009
  • BMW 335d 3.0L 2009 to 2012

Part numbers

  • SB53S (2007 to 2009 Steel)
  • SB53A
  • SB53S-4
  • SB53A-4

Perfect pairings

Match this flywheel with a SPEC OEM-fitting clutch for a complete, OEM-compatible performance clutch and flywheel package. For even higher performance levels and a more linear pedal feel, consider our non-SAC Cup kit with flywheel in the SPEC BMW Flywheels range for 335i and 335d.

Fitting and support

For professional fitting, choose Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com. Our team has hands-on experience with BMW N54 flywheel and clutch upgrades.

Compatibility check before dispatch

We verify fitment before shipping. Provide your UK registration number or the last 7 digits of your VIN at checkout so we can confirm compatibility for your BMW 135i, 335i or 335d.

SEO-friendly search terms

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Manufactured by: SPEC