Drexler GT4 LSD Differential 3.46 — Plug-&-Play for BMW F87 M2, F80 M3, F82/F83 M4 | RacingDiffs

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Motorsport-Bred Drexler LSD — Complete 3.46 Final Drive for BMW F-Series

Give your F8X M-car the same Drexler limited-slip core used in BMW GT4 & DTM competition. Supplied in a brand-new 220 mm housing with factory 3.46 crown-wheel already fitted and torqued, this drop-in unit lets you skip machine-shop headaches and head straight to the track.

Feature RacingDiffs Drexler Typical “220” Swaps
Core Genuine Drexler GT4/DTM clutch pack Mixed aftermarket cores
Install 100 % plug-&-play — ring gear pre-machined & pressed Requires cutting welded gear + bench set-up
Lock Profile 60/60 ramps, 60 Nm preload (custom options) Usually 60/50 only
Reliability Tested to 1 000 Nm — race-proven longevity Varies

 

Owners on Bimmerpostcall the Drexler swap “epic… so much more drive out of corners” and “the most exciting mod… helps us gain seconds on track”. Drexler themselves highlight better traction, improved handling and long service life thanks to adjustable ramp design and premium friction linings.

Key Specifications
  • Differential size: BMW 220 mm rear axle
  • Final-drive ratio: 3.46 : 1 (OEM)
  • Ramp angles / preload: 60 ° acc. / 60 ° dec., 60 Nm (other setups on request)
  • Clutch discs: 6-plate Drexler Motorsport set, moly-coated
  • Housing: Brand-new OEM casting, fully rebuilt & sealed
  • Oil capacity: 1.2 L 75W-140 GL-5 LSD (not included)
  • Warranty: 12 months, unlimited mileage
Vehicle Compatibility
  • BMW F87 M2 & M2 Competition (N55 & S55)
  • BMW F80 M3 Sedan
  • BMW F82/F83 M4 Coupé & Cabrio
  • (Also fits F90 M5 or G8X builds running the 220 mm axle swap — contact us to confirm.)
What You’ll Feel
  • Lightning-quick lock under throttle for brutal corner exits
  • Stable turn-in and reduced DSC intervention under trail braking
  • Quiet, chatter-free street manners thanks to precision ramp geometry
Installation Steps
  1. Remove OE Active-M diff.
  2. Install a second right-hand axle shaft on the left side (see note below).
  3. Shorten the flange to match left-side pocket depth.
  4. Fill with LSD oil, torque mounts to BMW spec and enjoy.
Shipping & Support
  • FreeWorldwide DHL Express (2-5 days).
  • Tech support via email.

Bolt-in GT4 performance, zero machine-shop hassle — order your RacingDiffs Drexler 220 mm LSD today and feel the grip from the first lap.

Fitment Note: This Drexler carrier uses two equal-length output flanges. Simply replace your left shaft with an OEM right-hand axle and trim the flange to suit the differential depth. No other modifications required.