E9X 335i (215K) Wavetrac ATB LSD with Bolted OEM Ring Gears, r=2.81

Wavetrac ATB LSD built for the E9X 335i (215K) - no guesswork, no machining, no ring gear swaps. Bolted OEM ring gears mean direct fitment into your factory carrier.

• Patented cam system + carbon fibre bias plates deliver consistent torque bias from day one to 100k miles
• No clutch packs to wear out, no understeer bias - smoother than Quaife, Truetrac or Torsen
• Full compatibility with factory DSC and traction control: zero warning lights, zero calibration
• 9310 steel gears, billet steel housing, ARP fasteners - track-day tough, daily-driver reliable

Works as intended on fast road or track day; no ‘stage’ labels needed - just predictable, progressive grip when you need it.