AC Schnitzer Clutch-Type Limited-Slip Differential (LSD) Upgrade for BMW 3 Series F30/F31 RWD - Performance Rear Diff / Locking Diff Conversion for 2012-2019 320i 328i 330i 335i 340i Saloon & Touring

Transform rear-axle grip and put power down with a premium performance differential upgrade for BMW 3 Series F30 and F31

Experience sharper traction, stronger corner-exit drive and greater stability in all conditions with this AC Schnitzer clutch-type LSD upgrade. Engineered in Germany for the BMW 3 Series F30 and F31 rear-wheel-drive platforms, it delivers a serious step up in real-world speed, driver confidence and consistency on fast road and track days.

• Locking force: 25 to 40 percent for predictable, progressive bite
• Core-conversion service. Your original rear differential must be sent to Aachen without oil
• Supplied with fitting instructions in German and English
• Compatibility: BMW 3 Series F30 and F31 rear-wheel-drive models only. Not suitable for xDrive

Why this drivetrain upgrade makes a difference

• More drive to both rear wheels for faster launches and stronger corner exit
• Reduces inside-wheel spin for cleaner acceleration in wet and dry conditions
• Clutch-pack design for consistent torque transfer and confidence on the limit
• German engineering with OEM-level integration and reliability

Our team at MJ Modifications has installed these units for BMW owners who want a serious handling upgrade without compromising day-to-day usability. Feedback has been excellent, with customers praising the added traction, improved balance and predictable behaviour under power.

Fitting and support

Professional installation is recommended. We can supply and fit at MJ Modifications in Warwickshire. Request a fitting quote: info@mjmodifications.co.uk.

Further details on the conversion process and lead times available on request.

Compatibility notes

For BMW 3 Series F30 and F31 rear-wheel-drive vehicles only. Not compatible with xDrive.

Search terms customers use

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