Quaife QDF13N BMW 188K ATB Helical Gear LSD

In Stock
ex vat
Regular price £833.33


  • Type Helical Gear Limited Slip Differentials
  • Brand Quaife
  • MPN QDF13N
  • 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 (36.4mm offset) 10 bolt crown wheel differential

Suitable For:

  • E82 123d auto; 125i; 128i manual; 135i auto
  • E87 118d auto; 120d auto 03/2007-09/2008; 123d auto; 130i
  • E46 318d auto; 320i manual (188L casing); 323i auto; 325i; 325ti; 325xi; 328i (3.46:1 ratio); 330i auto
  • E90 320d auto (7591017 diff); 320d manual (7591074 diff); 320i (188K casing); 325i auto; 328i auto; 325i manual (7591015 diff); 328xi manual; 330i; 335i auto (7572055 diff); 335xi auto
  • E92 320d auto (7591017 diff); 325i auto; 328i; 325i manual (7529109 & 7591015 diff); 330i; 335i auto (7572055 diff); 335xi auto
  • E39 520i manual; 523i
  • E60 520d auto; 520i; 525i auto; 525i SMG; 530i auto; 535i auto; 535xi auto
  • F10 535i auto; 535i manual
  • E63 630i
  • E38 728i auto
  • F01 740i (check diff fitted); 740li (check diff fitted)
  • E83 X3 2.0d auto rear; 3.0i manual rear
  • E53 X5 3.0i manual rear diff; 4.4i auto rear diff; 4.6is auto rear diff
  • E70 X5 3.0d auto rear
  • E85 Z4 Alpina Roadster S 3.4; 2.5i; 3.0si; 2.5si SMG; 3.0i auto
  • E89 Z4 2.3i S Drive; 3.0i S Drive

Quaife Helical LSD's - How They Work

Often imitated but never improved, the Quaife Automatic Torque Biasing (ATB) limited slip differential is the perfect traction solution that delivers noticeable performance benefits on any car using a factory ‘open’ differential unit

Once installed, drivers will notice an immediate difference, as the Quaife (ATB) limited slip differential automatically biases the torque across the axle to the wheel with the most grip. Unwanted wheelspin and slip are greatly reduced, resulting in less understeer on the front or four-wheel drive machines and reduced oversteer on rear-wheel drive vehicles. Rear-wheel drive cars with a Quaife limited slip differential become more controllable during oversteer moments, enabling drivers to exploit the full potential of their machines for the first time, leading to a more exciting, rewarding and rapid driving experience

Fully compatible with manufacturer electronic traction control and anti-lock braking systems, the Quaife ATB differential offers a number of key advantages in both functionality and service life compared to conventional plate-style LSD units

The Benefits Are:

  • Safe, progressive and seamless in action, the Quaife ATB differential never ‘locks’
  • Controlled power is transmitted to all driven wheels, to maximise traction and minimise wheelspin, particularly in slippery conditions
  • Fitment greatly reduces unwanted torque steer, understeer or oversteer
  • Designed to work in harmony with road car electronic stability and traction control programs
  • Improves braking performance on front-wheel drive cars by reducing lock-up and minimising ABS intrusion due to torque transfer action
  • Reduces tyre wear, especially on front-wheel drive cars
  • Gear operated with no service components to replace – ever
  • Direct replacement for factory standard ‘open’ differential unit
  • Retains normal axle lubrication systems and maintenance schedule
  • Over 100,000 units sold worldwide since the 1980’s
  • Available for over 400 different applications
  • Backed by a Quaife lifetime warranty for both motorsport and road use

Designed for Motorsport use, no instructions included