
OVERVIEW
BMW E8X / E9X Quick Change Weld-In Kit
The FDF BMW E8X / E9X Quick Change Weld-In Kit is designed to make mounting a quick change differential into your BMW easier while adding strength and rigidity to the factory rear subframe.
Made from high-strength steel with a yield strength of 210,000 PSI, this kit is built to handle the demands of motorsports. The weld-in design reinforces the factory subframe while providing a solid mounting solution for your quick change differential.
Compatible with Winters, Bulldog, and Speedtek quick change differentials, this kit is a great option for anyone looking to upgrade their BMW drivetrain for drifting or racing.
Key Features:
-
Designed specifically for BMW E8X / E9X chassis
-
High-strength steel construction (210,000 PSI yield strength)
-
Reinforces the factory rear subframe
-
Compatible with Winters, Bulldog, and Speedtek quick change differentials
-
Weld-in design for a strong and secure mounting solution
Note: Welding and modification of the factory subframe are required. Speedtek differentials require metric mounting hardware. For racing use only.
Why Choose FDF?
-
Driver-inspired designs: Our products feature innovative, driver-inspired designs tailored for performance and style.
- High-quality materials: We use only high-strength alloys to ensure the durability and superior quality of our products.
- Made in North America: Our products are proudly made in-house in North America, ensuring exceptional craftsmanship and reliability.
Why Choose FDF?
Recently Viewed
Check out our Universal Parts Picker and explore even more of your favorite products—all in one place.
Same Day Fulfilment On in Stock Items!
2PM EST cutoff*
RETURNS
30 days return policy
Check our store for latest items
New products updated daily!
Mon - Fri Customer service
10am - 5pm