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    Home / Products / Fully Rebuilt BMW E8X/E9X 168L Differential
    Fully rebuilt BMW E8X/E9X 168L differential with reinforced bearings, designed to fix whining noise and noisy differential issues in 1 Series and 3 Series models
    Close-up of a BMW 168L differential rebuilt by RacingDiffs, featuring premium reinforced bearings for durability and quiet performance
    Rebuilt BMW 168L differential for E8X and E9X models, eliminating whining noise and improving reliability with reinforced bearings
    Fully rebuilt BMW E8X/E9X 168L differential with reinforced bearings, designed to fix whining noise and noisy differential issues in 1 Series and 3 Series models
    Close-up of a BMW 168L differential rebuilt by RacingDiffs, featuring premium reinforced bearings for durability and quiet performance
    Rebuilt BMW 168L differential for E8X and E9X models, eliminating whining noise and improving reliability with reinforced bearings

    Fully Rebuilt BMW E8X/E9X 168L Differential

    RD1010

    1.199,00€
    Gear ratio

    Fully Rebuilt BMW 168L Differential (E8X/E9X)

    with Reinforced Bearings

    Silence the whine and restore confidence in your BMW’s drivetrain. RacingDiffs fully rebuilds the 168L differential—notorious for premature bearing wear—using premium reinforced bearings, fresh seals and precise setup. The result is quiet, smooth, OEM+ performance and long-term reliability for daily driving and spirited runs.

    Key Features
    • Reinforced bearings: Eliminates the classic 168L bearing whine and extends service life.
    • Fully rebuilt & tested: New seals, precision setup for quiet operation and smooth engagement.
    • OEM fitment: Direct bolt-in for a wide range of E8X 1 Series and E9X 3 Series (pre-LCI & LCI).
    • Reliability upgrade: Built to outperform stock units under everyday use and spirited driving.
    What’s Included
    • Complete 168L differential assembly — rebuilt with reinforced bearings
    • New input & output oil seals
    • Precision-set preload and backlash (OEM spec)
    • Bench-tested for noise and smoothness
    Technical Notes
    • Core: 168L medium case (BMW small ring size family, “L” type)
    • Oil: Use quality GL-5 gear oil; LSD oil if used with clutch-type center (if applicable)
    • Setup: Carrier preload & ring-gear backlash set to factory tolerance; contact pattern verified
    • Noise fix: Reinforced bearings mitigate the common 168L whine under load and coast
    Fitment — BMW 1 Series (E8X)
    • E81: 116i (N43/N45N), 118i (N43/N46N), 120i (N43/N46N)
    • E82: 120i (N43/N46N)
    • E87: 116i (N45), 118d (M47N2), 118i (N46), 120i (N46)
    • E87 LCI: 116i (N43/N45N), 118i (N43/N46N), 120i (N43/N46N)
    • E88: 118i (N43/N46N), 120i (N43/N46N)
    Fitment — BMW 3 Series (E9X)
    • E90: 316i (N43/N45/N45N), 318i (N43/N46/N46N), 320i (N43/N46/N46N), 320si (N45), 323i (N52/N52N)
    • E90 LCI: 316i (N43/N45N), 318i (N43/N46N), 320i (N43/N46N), 323i (N52N)
    • E91: 318i (N43/N46/N46N), 320i (N43/N46/N46N), 323i (N52/N52N)
    • E91 LCI: 316i (N43), 318i (N43/N46N), 320i (N43/N46N), 323i (N52N)
    • E92: 316i (N43), 320i (N43/N46N), 323i (N52N)
    • E92 LCI: 316i (N43), 318i (N43), 320i (N43/N46N), 323i (N52N)
    • E93: 320i (N43/N46N), 323i (N52N)
    • E93 LCI: 318i (N43), 320i (N43/N46N), 323i (N52N)

    Tip: To confirm differential type/ratio for your VIN, check the BMW parts catalog and verify before ordering.

    Why RacingDiffs?
    • Specialists in drivetrain: Thousands of differentials rebuilt and upgraded worldwide
    • OEM+ philosophy: Stock manners, upgraded reliability
    • Fast DHL Express shipping: Worldwide delivery and support

    Don’t let a noisy differential ruin your drive. Upgrade to a RacingDiffs fully rebuilt 168L and enjoy silent cruising, crisp response and peace of mind.