Rear Differential Front Bushing Inserts X3 eliminating the lean conditions that

eliminating the lean conditions that kill motors when you're pushing the B58's single turbo hard

We have installation videos available for most common BMW platforms

These high-flow units with upgraded billet wheels eliminate that restriction while maintaining the N54's legendary twin-scroll responsiveness

not a fitment issue

plus this custom manifold product requires experience with aftermarket turbo fitment

Rear Differential Front Bushing Inserts X3 eliminating the lean conditions thatYour BMW's rear differential bushings are sabotaging every ounce of power you've built. These precision machined inserts eliminate the mushy rubber deflection that's stealing your torque and killing your throttle response. Performance Gains Immediate throttle response improvement as power transfers directly to the wheels without bushing deflection absorbing energy. Eliminates wheel hop under hard acceleration and reduces drivetrain slop during