BMW M2, M3, M4, M5, M6 (F/G Chassis) Block Disc Set - 100% Lock for Drifting & Drag Racing

For hardcore drifters and drag racers , nothing beats them instant power delivery of a 100% locked differential . The BMW M2, M3, M4, M5, and M6 (F/G-Chassis) come equipped with an electronically controlled LSD , which is impossible to weld due to its complex design. The Racing Diffs Block Disc Set is the ultimate solution to transform your electronic LSD into a fully locked, drift/drag-ready differential without permanent modifications.

If you're a track enthusiast looking to improve LSD performance while maintaining some mechanical slip control , check out our Evo Hybrid LSD Upgrade Kit . However, if you need full lock with a welded-diff feel , this Block Disc Kit is your go-to upgrade.

Why Choose the Block Disc Set for Your BMW F/G Chassis?

• 100% Lock – No Slip, No Delay – Designed for drift and drag applications , delivering full power to both wheels at all times
• The only alternative to welding – The OEM LSD is impossible to weld , making this kit the only true solution for a fully locked setup
• Fully Reversible – Unlike welding, this kit is completely removable , allowing you to return to factory settings anytime
• Zero Maintenance & Bulletproof Reliability – No special servicing required, lifetime durability
• Optimized for Extreme Use – Ideal for high-horsepower builds , launch control, and clutch-kick drifting

Complete installation kit included

The RacingDiffs Block Disc Set includes all necessary components for installation:
• Block discs
• Differential collar
• High-quality bearing

This ensures a hassle-free install with everything needed to lock your BMW LSD permanently for maximum performance and control .

For drifters & drag racers who demand nothing but total lock, this is the ultimate BMW LSD upgrade!