MFactory BMW Helical LSD for E82 E90 E89 F20 F21 F22 F23 F30 F31 F32 F33
Transform the way your BMW puts power to the road with the MFactory Helical Limited Slip Differential. This torque-biasing, Torsen-style helical LSD upgrade delivers smoother, faster corner exit speeds, improved traction out of bends, sharper throttle response and rock-solid stability in all conditions. Perfect for road, track day, time attack, drift and drag racing, the MFactory BMW LSD is the proven solution for eliminating open differential wheelspin on tuned and stock cars alike. We run these diffs on our own builds and our customers consistently report a night-and-day improvement in grip, confidence and lap consistency.
Ideal for BMW E82 E88 135i, E90 E91 E92 E93 335i and 335d, E89 Z4 35i, and F-chassis M135i, M235i, 335i and 435i applications, this helical limited slip differential maximises traction without the noise, chatter or maintenance of plate-type units. If you are searching for BMW LSD, BMW 135i LSD, BMW 335i LSD, BMW M135i LSD, BMW M235i LSD, F20 LSD, F30 LSD, BMW performance differential or BMW helical diff upgrade, this is the go-to fit-and-forget solution.
Why choose the MFactory Helical LSD
- Diamond cut from forged high-nickel-chromium-molybdenum steel for precise fit and durability
- Designed using Solidworks 3D CAD and Cosmos FEA for optimised gear geometry
- Advanced gear design reduces drivetrain losses and puts more power to the ground
- v2 second-generation unit that is lighter, stronger and more efficient than typical torque-biasing diffs
- Maintenance free with no special fluids, no clutches to service and no lock-induced steering issues
- Smooth, quiet operation on the road yet robust for competition use
Specifications
- Material: imported Japanese SAE 4320 and SAE 9310 steel
- Forged, double tempered and super sub-zero treated for exceptional toughness
- Advanced shot peening increases surface hardness and longevity
- Built to withstand the shock loads of competition-level drag racing
- Premium Brighton-Best hardware
Real-world performance
By constantly biasing torque to the wheel with more grip, the MFactory helical limited slip differential reduces inside wheelspin, improves turn-in, enhances stability under power and cuts lap times. Traction control systems work seamlessly and for cars without electronic aids a light left-foot brake can address one-wheel-in-the-air scenarios. Expect stronger acceleration out of corners and greater confidence in wet or bumpy conditions.
Compatibility and fitment
E Chassis
- BMW 1 Series E82 E88 2007-2013
- 135i MT/DCT - ring gear machining required
- BMW 3 Series E90 E91 E92 E93
- 335i and 335d 2005-2007 AT - direct type fitment
- 335i and 335d 2007-2013 MT/DCT - new bolted final drive gears required
- 335d March 2007-2013 AT - new bolted final drive gears required
- BMW Z4 E89
- Z4 35i 2009+ MT - ring gear machining required
F Chassis
- BMW 1 Series F20 F21 2012+
- M135i MT - ring gear machining required
- BMW 2 Series F22 F23 2012+
- M235i MT - ring gear machining required
- BMW 3 Series F30 F31 2012+
- 335i MT - ring gear machining required
- BMW 4 Series F32 F33 2012+
- 435i MT - ring gear machining required
Important note for BMW 135i MT, 335i 2007+ MT/DCT and 335d fitments: these models use a factory welded ring gear. To install this LSD you will need either to have the OEM ring gear professionally machined to accept the new differential or to convert to a new bolted ring and pinion final drive gear set.
Fitting and setup
Professional installation is strongly recommended, especially where ring gear machining or final drive conversion is required. For expert fitting in the UK, contact Nforcd in Warwickshire for a quote: Sales@nforcd.com.
Warranty and guarantees
- MFactory Feel The Torque 30-day money-back guarantee. If you do not feel the difference, return within 30 days for a full refund of the product price excluding shipping costs
- Lifetime, globally transferable warranty for street, strip and track use
Part number
MF-TRS-05E92
Compatibility check before dispatch
We verify compatibility prior to shipping. Provide your UK registration number or the last 7 digits of your VIN at checkout so we can confirm the correct MFactory BMW LSD for your car.
Search-friendly terms
BMW limited slip differential, BMW LSD upgrade, MFactory BMW LSD, BMW helical diff, BMW torsen diff, BMW performance differential, E82 LSD, E90 LSD, E92 LSD, F20 F21 F22 F23 F30 F31 F32 F33 LSD, BMW 135i LSD, BMW 335i LSD, BMW 335d LSD, BMW M135i LSD, BMW M235i LSD, BMW 435i LSD, BMW diff upgrade, final drive gears, ring gear machining, track day differential, drift diff, drag racing diff, torque biasing differential, helical LSD BMW.