BMW 188mm oem LSD swap kit into E46/E39 188k


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Transform your BMW E46's driving dynamics with our comprehensive ZF Plated Limited Slip Differential (LSD) Installation Kit. Designed to fit perfectly into the E46 188K differential found in a variety of models from 320Cd M47N to 330xi M54, this kit provides everything needed to upgrade your vehicle with a high-performance LSD from E30, E36, and E34 models.

What’s Included in the Kit:

  • All necessary components to install a ZF plated LSD found in E30, E36, and E34 models into an E46 188K diff type.
  • Customizable Crown gear spacers tailored to different differential gear ratios.

Key Benefits:

  • Cost-Effective Performance Upgrade: Installing a ZF plated LSD is more economical than purchasing a new aftermarket unit, especially when combined with our Performance Packs tailored for various racing disciplines and street performance.
  • Enhanced Durability and Functionality: We recommend refreshing the LSD unit prior to installation, as many used units are over 25 years old with worn factory friction discs.

Installation Ease:

  • Step-by-Step Guidance: The kit includes a complete tutorial on swapping an E30/E36/E34 LSD unit into an E46 differential housing, ensuring a smooth and successful installation.
  • Video Resources: Access our detailed video tutorials to learn how to rebuild the 188mm LSD unit and optimize it for your driving needs.
E46 Limited slip diff

It is the most cost effective way to put a proper LSD unit into E46 188K diff type found in the following models:

  • 320Cd M47N
  • 320Ci M54
  • 320d M47
  • 320d M47N
  • 320i M54
  • 323Ci M52
  • 323i M52
  • 323i 2.4 M52
  • 325Ci M54
  • 325Ci M56
  • +325i M54
  • +325Ci M54
  • +325Ci M56
  • +325i M54
  • +328i M52
  • +330Ci M54
  • +330i M54
  • +330xd M57
  • +330xd M57N
  • +330xi M54

We advise you to refresh the LSD unit prior installation into E46 differential housing, as used units are 25+ years old and probably have factory friction discs which are worn out.

Learn how to rebuild 188mm LSD unit on this tutorial video.

BMW E30 E36 188mm Limited slip differential


Important Note:

  • Please specify the required Crown gear spacer thickness based on your differential's gear ratio when ordering to ensure a perfect fit and optimal function.
E46 Differential ratios

 188mm LSD unit
(2.65 - 3.07)

188mm LSD unit
(3.15 - 4.45)

Low range (2.37 - 2.87) 7,15mm spacer No spacer needed
Mid range (2.93 - 3.07) 12,15mm spacer 5,15mm spacer
High range (3.15 - 4.45) 19,15mm spacer 12,15mm spacer