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  • BMW Differential Backlash adjustment C clip (snap ring) set (Year 2000+)

    RD3006

    Size

    BMW Differential C-Clip (Snap Ring) Precision Adjustment Kit — Post-1999

    Installing a new LSD or changing the gear ratio on your post-1999 BMW? Correct carrier preload and backlash are critical for quiet operation and long life. The RacingDiffs Precision C-Clip Kit gives you the fine adjustment range needed for a factory-grade setup.

    Features
    1. Precision adjustment: Kit spans ~3.0–4.0 mm in 0.1 mm steps to dial carrier preload/backlash precisely (10 pieces included).
    2. Noise prevention: Fine steps help eliminate whine and chatter that come from improper setup—especially after adding an aftermarket LSD carrier.
    3. Broad compatibility: Designed for BMW non-M models (post-1999) such as E46, E9X, E8X, E39, E60, and others.
    4. Hassle-free verification: Unsure on size? Send us your VIN and we’ll confirm the correct kit.
    Performance Benefits
    • Factory-like setup: Achieve correct bearing preload and backlash after LSD install or ratio swap.
    • Quiet, durable operation: Proper setup protects gears and bearings and keeps the differential silent.
    • Faster setup time: Fine increments reduce trial-and-error during final assembly.
    Technical Specs / Installation Tips
    Intended use Carrier preload and backlash adjustment on post-1999 BMW differentials (non-M).
    Kit content Precision C-clips (~3.0–4.0 mm range in 0.1 mm steps), 10 pieces total.
    When to use After installing an LSD carrier or changing final drive ratio; whenever backlash/preload must be reset.
    Measurement Use a dial indicator at the ring gear to set backlash to BMW specification; verify tooth contact with marking compound.
    Best practices Work clean; record each trial stack; torque fasteners to spec; rotate and re-measure after seating bearings.

    Note: Backlash/preload targets vary by differential family; follow BMW service specifications for your chassis.

    Fitment (Post-1999 BMW, non-M)
    • E46 3-Series (non-M)
    • E9X 3-Series (E90/E91/E92/E93, non-M)
    • E8X 1-Series (E81/E82/E87/E88, non-M)
    • E39 5-Series (non-M)
    • E60/E61 5-Series (non-M)
    • And other post-1999 BMW non-M models with snap-ring carrier shimming

    If your exact model isn’t listed, send us your VIN and we’ll confirm compatibility.

    Make sure your BMW runs smoothly and quietly—trust RacingDiffs for precision and quality.