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MFactory BMW Helical LSD E90 E92 (325i, 328i, 330i & 335i) ML Performance UK

MFactory BMW Helical LSD E82 E90 F20 F30 (135i, 335i, M135i & M235i)


  • £899.95
    exc. VAT £749.96


Gain a prominent advantage over the competition with the MFactory Helical Limited Slip Differential. Through the smooth and constant distribution of power to the wheels, the MFactory Helical LSD puts the power-to-the-ground and maximises your vehicle's traction. A must for any race car, be it Street, Strip or Track!


Gear Ratio

E46 = 3.38 ratio


F Chassis

125i/228i 2012+ (AT/MT) - Requires Machining Service
M135i/M235i 2012+ (AT) - Requires Machining Service
328i/428i 2012+ (AT/MT) - Requires Machining Service
335i/435i 2012+ (AT)- Requires Machining Service



Diamond Cut to exacting tolerances from Forged High-Nickel-Chromium-Molybdenum Steel
Perfect fitment & finish ensures hassle-free installation & maintenance, each and every time

Designed using leading-edge Solidworks 3D CAD & Cosmos FEA software
Advanced Gear Geometry minimizes parasitic drivetrain losses. Race transmissions built with MFactory components transfer, on average, 1-2% more power to the ground over our competitors!

2nd Generation Design
The MFactory v2 Helical LSD is lighter, stronger and more efficient than any other Torque-Biasing Differential on the market today!

Covered by the MFactory Feel The Torque™ 30-Day Money Back Guarantee!
An Industry First! If you do not feel the difference after installing your new Limited Slip Differential, you may return the product to us for a full refund (excluding shipping costs) within 30 days of the purchase date

Covered by the MFactory Lifetime, Globally Transferable Warranty
Whether used on the Street, Strip or Track, all MFactory Helical LSD's come with a Lifetime, No-Hassle, Globally Transferable Warranty

No-Load/One-Wheel Syndrome
A common misconception is that a Torsen-Style Differential is useless under a no-load situation (e.g One wheel in the air). Although true to an extent, this no-load situation does not apply to the modern day car with Traction Control (or eDiff). For those without traction control, there is a very commonly used solution to the problem (used by professional race car drivers over the past 30+ years) that our competitors will not tell you; simply left-foot brake



  • Made from imported Japanese SAE 4320 & SAE 9310 Steel
  • Forged, Double Tempered and Super Sub-Zero treated for unsurpassed toughness
  • Advanced Shot Peening technology increases surface hardness
  • Designed to withstand the extreme shock loads of competition-level Drag Racing
  • Advanced gear geometry designed using industry-leading software puts more power to the ground
  • Only the highest quality Brighton-Best Hardware is used
  • Maintenance-free Gears eliminates the need for special fluids & rebuilds associated with plate-type LSDs
  • Lock-free operation ensures no adverse affect to steering response



    BMW 125i/128i/130i 2004-2013 (AT/MT)
    BMW 135i 2007-2013 (AT)
    BMW 325i/328i/330i 2004-2013 (AT/MT)
    BMW 335i Sep 2007+ (AT)
    BMW 125i/228i 2012+ (AT/MT) - Requires Machining Service
    BMW M135i/M235i 2012+ (AT) - Requires Machining Service
    BMW 328i/428i 2012+ (AT/MT) - Requires Machining Service
    BMW 335i/435i 2012+ (AT)- Requires Machining Service


    Compatibility Check

    To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout.



    Lifetime warranty


    Manufactured by



    Part Number



    Next Day UK Delivery

    Get FREE Guaranteed next day UK delivery for orders over £99 (exc. VAT), excluding larger items. Same day dispatch available if your order is placed before 11:00 GMT on all in stock items!

    Worldwide Shipping

    We ship worldwide via DHL International, simply enter your full address at checkout to see the shipping option(s) and quote(s). Same day dispatch available if your order is placed before 11:00 GMT on all in stock items!