Genuine BMW F20 F22 M Performance Limited Slip Differential (LSD) for M135i, M140i, M235i, M240i
Unlock real rear-wheel-drive performance with the Genuine BMW M Performance limited slip differential. This mechanical rear axle LSD dramatically improves traction, stability and control by sending torque to the wheel with grip instead of letting an inside wheel spin away power. The result is sharper turn in, faster corner exits and confident acceleration in the dry, rain or light snow. It is the must-have differential upgrade for BMW F20 and F22 chassis drivers who enjoy road, track day or spirited B-road driving.
As an original BMW component, this M Performance LSD keeps your car OEM-plus and maintains BMW quality throughout. You retain your original differential, so you can revert to stock if ever required. Part Number: 33108659987.
Why choose the BMW M Performance LSD for F20 and F22
- Transforms cornering and traction on BMW M135i, M140i, M235i, M240i.
- Torque sensing mechanical unit that actively balances drive across the rear axle.
- Faster and more stable corner exits with reduced wheelspin and improved throttle modulation.
- Predictable handling at the limit for confident track days and fast road driving.
- OEM build quality, durability and fitment with full BMW development and testing.
- Self-contained unit that can be removed and sold on or the car can be returned to standard.
How the M Performance LSD delivers
- Torque sensing limited slip action distributes engine output to both rear wheels instead of relying on brake intervention.
- Tailored locking on acceleration and deceleration for a natural, confidence-inspiring balance.
- Smoother transitions between open and locked states for predictable behaviour even when pushing on.
- Improved traction across a wide range of conditions. If all control systems are disabled, drive with care in wet or snowy conditions and only on appropriate roads or closed circuits.
Our experience and customer feedback
We run this genuine BMW M Performance LSD on our own cars and have installed it for many customers. The feedback is consistently positive: noticeably better traction, more precise handling and a genuine step up in driver confidence. It is one of the most rewarding upgrades you can make to an F20 or F22 M Performance model.
Compatibility
N55 engine models
- BMW 1 Series F20 F21 M135i Manual and Automatic
- BMW 2 Series F22 F23 M235i Manual and Automatic
B58 engine models
- BMW 1 Series F20 F21 M140i Manual only
- BMW 2 Series F22 F23 M240i Manual only
If you have an M140i or M240i with the B58 engine and automatic transmission, please see our other listing for the correct BMW LSD.
Part number
33108659987
Recommended differential oils
- Genuine BMW M Performance LSD Oil 1 Litre
- Liqui Moly Fully Synthetic Hypoid Gear Oil GL5 LS SAE 75W-140 1 L
These lubricants are suitable for topping up or servicing the differential as required.
Fitting and support
Professional installation recommended. We can supply and fit at Nforcd in Warwickshire. Request a fitting quote: Sales@nforcd.com.
Compatibility check before dispatch
To ensure correct fitment we run a vehicle compatibility check before shipping. Provide your UK registration or the last 7 digits of your VIN at checkout.
Warranty
Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers when a VIN is provided at checkout on compatible vehicles.
Manufactured by
BMW. Genuine BMW M Performance Parts.
Search-friendly terms
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