Drexler GT4 LSD Differential 3.46 — Plug & Play for BMW F87 M2, F80 M3, F82/F83 M4 | Racing Diffs
- Vendor RacingDiffs
Do you have questions about this product?
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 Bimmerpost call the Drexler swap “epic… so much more drive out of corners” and “the most exciting mod… helps us gain seconds on track” . Drexler highlight themselves 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
- Clutch discs: 6-plate Drexler Motorsport set, moly-coated
- Housing: Brand-new OEM casting, fully rebuilt & sealed
- Oil capacity: 1.2L 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 Coupe & Convertible
- (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
- Remove OE Active-M diff.
- Install a second right-hand axle shaft on the left side (see note below).
- Shorten the flange to match left-side pocket depth.
- Fill with LSD oil, torque mounts to BMW spec and enjoy.
Shipping & Support
-
Free Worldwide 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.