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    Home / Products / BMW Differential bearing set Type K (E46, E39, E53)
    E46 E39 diff bearing repair kit shown on white surface

    BMW Differential bearing set Type K (E46, E39, E53)

    RD2011

    242,00€ - 251,00€218,00€ - 226,00€
    Differential model

    BMW K Type Differential Bearing Replacement Kit (1999–2006) — E46, E39, E38 & more

    Upgrade and extend the life of your BMW’s differential with RacingDiffs’ K Type Differential Bearing Replacement Kit. Purpose-built for 1999–2006 BMW models using the K-type differential (common on E46, E39, E38, etc.), this kit provides all the key parts for a complete, reliable repair.

    Features
    • Bearing identification: Correct parts for 6-cyl 188K and 8-cyl 215/220K BMW models.
    • OEM-quality components: Engineered for optimal fit, function, and longevity.
    • Comprehensive kit: From crush sleeve shim to input/output seals—everything needed for a thorough repair.
    • Guided support: Video gallery with installation tutorials for a hassle-free process.
    Performance Benefits
    • Eliminates differential whine (on accel and coast).
    • Restores smoothness and consistent power delivery.
    • Prevents leaks and contamination with fresh seals.
    • Extends differential lifespan when set up with proper preload/backlash.
    Technical Specs / Installation Tips
    How to be 100% sure which kit to order Use your VIN with BMWFans.info (video guide provided) to confirm differential type/size and bearing set.
    Noise diagnosis tip During a safe drive, gently steer left/right like warming tires. If noise changes, suspect a wheel bearing. If noise stays constant, differential bearings likely need replacement.
    Backlash target 0.08–0.12 mm on most BMW ring-and-pinion sets (verify with a dial indicator at multiple positions).
    Repair kit includes 1× Crush sleeve shim
    1× Small pinion bearing
    1× Large pinion bearing
    1× Input flange oil seal
    2× Output flange oil seal
    Setup note Use correct carrier shims to set preload/backlash; verify contact pattern with marking compound and adjust as needed.
    Fitment
    • 3 Series: E46
    • 5 Series: E39
    • 7 Series: E38 (late models), E65, E66, E67
    • X3: E83
    • X5: E53
    • Z Series: E85, E86

    *If your exact year/market is not listed, contact us to confirm K-type compatibility.