Genuine BMW M Performance Limited Slip Differential (LSD) – 3 Series/4 Series F30 F31 F32 F33 F36 Manual RWD 335i 340i 435i 440i – OEM Rear Diff Upgrade – Part 33108659988

Genuine BMW M Performance Limited Slip Differential (LSD) – 3 Series/4 Series F30 F31 F32 F33 F36 Manual RWD 335i 340i 435i 440i – OEM Rear Diff Upgrade – Part 33108659988

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Genuine BMW M Performance Limited Slip Differential LSD for BMW F30 F31 F32 F36 Manual 335i 340i 435i 440i 33108659988

Upgrade your rear differential with the Genuine BMW M Performance Limited Slip Differential LSD for the BMW F30 F31 F32 F36 platform. This OEM BMW LSD transforms traction, grip and corner exit performance on manual 335i, 340i, 435i and 440i models. Perfect for spirited road driving and track days, the M Performance limited slip diff helps you put power down sooner, stabilises the rear axle and delivers faster, more controlled acceleration out of bends. If you are searching for BMW F30 LSD, BMW F31 LSD, BMW F32 LSD, BMW F36 LSD, 335i LSD, 340i LSD, 435i LSD, 440i LSD, BMW rear diff upgrade, BMW limited slip differential retrofit or OEM BMW LSD 33108659988 in the UK, this is the factory solution you want.

Why choose the Genuine BMW M Performance LSD

  • OEM quality and reliability. Developed and tested by BMW to meet strict factory standards.
  • Mechanical torque sensing limited slip differential that sends drive to the wheel with grip instead of braking the spinning wheel.
  • Sharper turn in, stronger mid corner stability and faster corner exit on road and track.
  • Improved traction in dry, wet and light snow conditions. When all control systems are disabled DSC off, drive with extra care and only on closed courses.
  • Reversible upgrade. A self contained unit that can be removed and the car returned to standard if required. You can keep your original differential.
  • Direct replacement for compatible models. Simple professional installation.

How it works

The torque sensing M Performance LSD balances driving force across both rear wheels. Unlike stability systems that brake a spinning wheel, this mechanical limited slip diff intelligently distributes engine torque to maximise available traction. Locking behaviour is tuned for both acceleration and deceleration to keep the car composed and predictable at the limit, delivering smooth, confidence inspiring handling and earlier throttle application out of corners.

Compatibility fitment

  • BMW 3 Series F30 F31 335i Manual transmission only
  • BMW 3 Series F30 F31 340i Manual transmission only
  • BMW 4 Series F32 F33 F36 435i Manual transmission only
  • BMW 4 Series F32 F33 F36 440i Manual transmission only

Not compatible with xDrive models. This BMW F3x LSD is designed for rear wheel drive manual cars only. Ideal search terms include BMW F30 LSD retrofit, BMW 335i LSD upgrade, BMW 340i limited slip differential, BMW 435i LSD diff, BMW 440i performance differential and OEM BMW rear differential upgrade UK.

Compatibility check

We verify fitment before dispatch. Please provide your UK registration or the last 7 digits of your VIN at checkout and we will confirm compatibility for your specific vehicle.

Part number

33108659988

Specification notes

  • I = 3,23, 215W
  • Genuine BMW component. Manufacturer warranty remains in effect on compatible vehicles when correctly installed.

Fitting and installation

Professional installation recommended. Nforcd offers supply and fitting in Warwickshire. For a competitive installation quote, email Sales@nforcd.com. We have installed this LSD for customers and on our own cars and the transformation in traction, balance and confidence is excellent.

Oil top up

If a top up is required, use Genuine BMW M Performance LSD Oil.

Customer results

Nforcd customers consistently report stronger traction, quicker corner exit and a more connected rear end feel. This is one of the most rewarding performance upgrades for F30 F31 F32 F36 manual 335i 340i 435i 440i owners seeking real world grip and predictable handling.

Manufactured by

BMW Genuine BMW Performance Parts.

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.

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