Quaife QDF2N BMW 188 ATB Helical Gear LSD

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Regular price £799.99
Regular price £919.29 Sale Sale price £799.99

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Info

  • Brand Quaife
  • SKU MLR.DBA
  • MPN QDF2N
  • Sizing Chart Download
  • Quaife Automatic Torque Biasing (ATB) limited slip differential
  • Compatible with traction control and ABS systems
  • Controlled power supply to driven wheels
  • Direct replacement for factory diff
  • Backed by a Quaife lifetime warranty

Medium case 188mm (24.5mm offset) 10 bolt crown wheel differential

Suitable For:

  • E30 325i; 325ix manual rear axle; M3
  • E36 323i auto; 325i; 328i auto
  • E36 M3 3.0; M3 EVO 3.2 (diff 2227453); M3 USA
  • E28 518i; 525i; 535i; 528i manual
  • E34 524td manual; 525i auto (Australian spec); 525i manual; 530i; 535i
  • E24 633CSI; 635CSI
  • Z1 (all models)
  • Z3 M Coupe / M Roadster

The Quaife automatic torque biasing (ATB®) limited slip differential stands as the ultimate traction upgrade for any vehicle equipped with a standard factory open differential. Often imitated but never surpassed, the Quaife ATB® delivers enhanced performance, providing improved traction, handling, and braking in all driving conditions.

Trusted by road car enthusiasts and motorsport competitors alike, this precision-engineered British-made differential is a direct replacement for standard differentials and is compatible with a wide range of front, rear, and four-wheel-drive vehicles. Since its introduction in the 1980s, the Quaife ATB® has proven its durability and effectiveness in high-performance environments such as rallying, circuit racing, rallycross, and Time Attack. Enhance your vehicle's control and enjoy superior performance, whether on the track or the open road.

  • Lifetime Warranty: The Quaife ATB® comes with a lifetime warranty for both motorsport and road use, ensuring long-lasting reliability.
  • British Quality Manufacturing: Proudly made in Great Britain, the Quaife ATB® is produced to rigorous ISO9001-2008 standards for superior performance.
  • Trusted by Leading OEMs: Chosen by top manufacturers like Ford, Lotus, BMW, and GM, with zero warranty replacements reported.
  • Zero Maintenance Components: Gear-operated with no service parts to replace—ever, ensuring hassle-free ownership.
  • Reduces Torque Steer & Improves Handling: Dramatically minimizes unwanted torque steer, understeer, and oversteer for a smoother driving experience.
  • Seamless Compatibility: Designed to work flawlessly with modern electronic stability and traction control systems in road cars.
  • Enhanced Braking for FWD Vehicles: Improves braking performance on front-wheel-drive cars by reducing lock-up and minimizing ABS intrusion through efficient torque transfer.
  • Safe and Smooth Operation: The Quaife ATB® delivers progressive, seamless action without ever fully locking, ensuring safe and controlled driving.
  • Direct Replacement: A straightforward, direct swap for the factory ‘open’ differential unit, with no modifications required.
  • Compatible with Standard Lubrication: Retains your vehicle's standard axle lubrication system and maintenance schedule.
  • Proven Performance: With over 100,000 units sold globally since the 1980s, the Quaife ATB® is a trusted solution for improving vehicle traction and control.