SPEC SB53A-2 Aluminum Flywheel for 07-09 BMW 135i/335i/535i N54 3.0L

Vehicle Fitment

• 2007-2009 BMW 135i (E82/E88, N54 3.0L, 8-bolt crank)
• 2007-2009 BMW 335i (E90/E92/E93, N54 3.0L, 8-bolt crank)
• 2007-2009 BMW 535i (E60, N54 3.0L, 8-bolt crank)

Features

• CNC-machined billet aluminum for ultra-lightweight performance
• Single-mass design for direct engine to transmission power transfer
• Precision balance within .001" tolerance for minimal vibration
• SFI certified for racing and high-performance use
• Reduces rotational mass for quicker throttle response
• Improves acceleration and engine rev-up speed
• Durable construction for street and track applications
• Designed to work specifically with SPEC SB53x-2 clutch kits only

Specifications

• Manufacturer Part Number: SB53A-2
• Material: Billet aluminum (lightweight)
• Type: Single mass flywheel
• Weight: Approx. 14 lbs (significantly lighter than stock)
• Fitment: 8-bolt crank N54 3.0L engines
• Compatibility: Must be paired with SPEC SB53x-2 clutch series
• Balance tolerance: +/- .001" for smooth operation
• SFI certified for performance and racing environments

Included Components

• 1x SPEC SB53A-2 billet aluminum flywheel

Product Description

The SPEC SB53A-2 Aluminum Flywheel is a precision-engineered performance upgrade designed for select BMW N54-equipped models from 2007 through 2009, including the 135i, 335i, and 535i with 8-bolt crankshaft configurations. By replacing the heavier stock dual-mass flywheel with this lightweight billet aluminum single-mass unit, you'll experience a notable reduction in rotating mass, leading to crisper throttle response and quicker engine rev-up times - ideal for spirited street driving, occasional track use, or performance-focused builds.

Manufactured to an exceptionally tight CNC tolerance and SFI certified, the SB53A-2 ensures balance and reliability even under demanding conditions. This flywheel is intended to be used exclusively with SPEC's SB53x-2 clutch kits to achieve optimal clutch engagement and drivability. Whether you're upgrading to complement a high-performance clutch or refreshing the drivetrain during a rebuild, this flywheel delivers enhanced performance characteristics while maintaining durability and compatibility with the specified BMW N54 platforms.