XT Series- For E23 7 Series, E24 6 Series, E28 5 Series, E30 M3, E32, E34, E36, E38, Z3, M3 3.L, (M50 S50B30 6 Cyl.-Dohc/ Fits Diffs from 188mm Medium Transmission).
Ask us about our optional Core Gear Exchange if you do not understand how it works.
- Choose from either the BMW LSD Conversion Kit by itself (You will do the axle/side spider gear prep on your end if needed) or choose
- The BMW LSD Conversion Kit/ with Gear Set (4 Internal differential gears for easy install. Makes for an easier LSD installation and diff gear swap with this plug & play option since the gears are already done for you. (Includes BMW 188mm LSD Conversion Kit plus 2 axle gears and 2 side spider pinion gears).
If you are interested in a core refund- email us for more info. This requires an RMA# to be issued to you with your order. You must purchase the LSD Conversion Kit with the Gear Set and return your original OEM BMW 188mm gears back to us with your Return Material Authorization # within 14 days of delivery of your order. Your 4 OEM 188mm gears must be in good condition without any broken teeth, cracks, or chips to be eligible for your core to be accepted. Once the gears are inspected, you will get $199.00 refunded back to your method of payment. Shipping is paid for by the buyer and not refunded.
Traction Concepts Limited Slip Conversion Kit installs into your non-LSD open differential, converting it into a proven and competitive limited slip differential that enhances your traction needs. Our TC Limited Slip's 2-way LSD will considerably improve handling in daily driven, street/strip warriors, or a full race vehicle. All Traction Concepts products are constructed of only the highest-quality hand selected materials. With over 500,000 miles of vigorous professional performance testing (SCCA, drag, rally, hill climb, ice, rain, etc.), we have been able to fine tune each application's durability through specific heat treating and Rockwell testing to achieve maximum performance and reliability. Each Traction Concepts LSD Kit is assembled with pressure tested matched sets of progressive-rate springs to achieve equal load distribution to the disc plates, which dramatically enhances its reliability and performance. With such a passion for perfection, Traction Concepts is confident that when you choose our TC Limited Slip Conversion Kit, you are choosing, by far, the best limited slip conversion kit on the market.
Improve Handling * Corner Faster * Tow Easier * Accelerate Quicker * Better Traction * Eliminate Torque Steer
The TC LSD Kit is extremely strong and durable and comes with a Lifetime Warranty against manufacturer defects. 'Disclaimer of Warranty'---WARNING: Installation of any Traction Concepts component should be performed by persons experienced in the installation and proper operation of transmission and drivetrain products. Purchasers expressly affirm they are relying upon their own skill or judgment to select and purchase Traction Concepts Limited Slip Conversion Kits. Warranties are void against incorrect installation, or modifications done to Traction Concepts products. With such a passion for perfection, we are confident that when you choose a Traction Concepts products, you are choosing, by far, the best limited slip conversion kit on the market.