BMW M140i and M240i Quaife ATB Limited Slip Differential in Complete Casing B58
Transform the way your BMW M140i or M240i puts power down with the genuine Quaife ATB limited slip differential, supplied as a complete rear differential unit in the casing. This is the ultimate BMW M140i LSD and BMW M240i LSD upgrade for B58 cars, delivering huge improvements in traction, grip and acceleration on road and track. UK designed and made, backed by Quaife’s lifetime warranty, silent in operation and maintenance free. Ready to install, no pressing gears or setting backlash required.
- Complete differential in casing, ready to fit straight to your BMW M140i or M240i B58
- Quaife ATB helical LSD for maximum traction and reduced wheelspin
- Smooth, quiet and maintenance free, no clutch plates to wear
- Fully compatible with OEM electronics including DSC, ABS and stability control
- UK engineered quality with lifetime warranty from Quaife
- A proven differential upgrade that unlocks more usable power, faster corner exits and confidence in all conditions
What you get
Full unit including all casings, built and ready to install into your car. This price includes your exchange unit. If you have no exchange please select the no exchange option before checkout. High performance bearings are recommended for big power cars or vehicles over 60,000 miles.
Why choose a Quaife ATB LSD for your M140i or M240i
- Helical gear, torque biasing design delivers seamless drive to the wheel with grip
- No clutch packs, no friction plates, no servicing, consistent performance
- Smooth engagement under power, ideal for daily driving and spirited use
- Enhanced stability on wet roads, better traction off the line and out of tight bends
- Perfect upgrade for tuned B58 cars looking to put power to the ground
Compatibility
Designed for BMW M140i and BMW M240i B58 models with rear wheel drive. If you are unsure on compatibility, contact us and we will be happy to help.
Fitting service by Nforcd
We offer professional installation at Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com and let our team handle everything from supply to fitment.
Trusted by Nforcd and our customers
We run Quaife ATB differentials in our own builds and our customers consistently report transformed traction and confidence, especially on fast road and track day use. It is a genuine fit and forget upgrade that lets your B58 BMW put power down where it matters.
Notes
This product is supplied on an exchange basis. If you do not have a suitable exchange unit, please select the appropriate option. High mileage or high power applications benefit from the high performance bearings option.
Search terms
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