BMW Active M Differential (E-Diff) to 108mm CV Joint Adapter Set

This CNC-machined driveshaft adapter set is designed to mount 108mm motorsport CV joints to a BMW Active M Differential (E-diff), as used in the BMW F80 M3. The set enables the use of high-performance, motorsport-grade driveshafts in custom builds, race cars and drivetrain swap projects.

The adapters convert the OEM BMW E-diff output flanges to the widely used 108mm BMW / Porsche CV joint standard, allowing proven motorsport components with excellent availability, strength and serviceability to be used.

Motorsport-Grade Design

Precision CNC-machined from high-quality material, this adapter set is engineered to handle high torque loads and aggressive motorsport use. Accurate centering ensures perfect CV joint alignment, minimizing vibration and reducing stress on the drivetrain and differential.

Compatible CV Joint Specification

• CV joint size: 108 mm (BMW / Porsche standard)
  
• Spline: 28 teeth
• Bolt pattern: 6 × 94 mm
• CV joint thickness: 40 mm

Key Features

• CNC-machined driveshaft adapter set (left & right)
• Designed for BMW Active M Differential (E-diff)
• Direct fit for BMW F80 M3 rear differential
• Converts OEM output to 108mm motorsport CV joint standard
• Ideal for motorsport, drift, track and high-power project cars
• Perfect solution for custom driveshaft and differential swap applications

Applications

• BMW F80 M3 Active M Differential (E-diff)
• BMW E-diff differential conversions
• Custom project cars and engine swaps
• Motorsport and competition vehicles

Important: This product is supplied as a complete adapter set. CV joints, driveshafts and mounting hardware are not included unless explicitly stated otherwise.