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Install videos are available
eliminating the lean conditions that kill motors when you're pushing the B58's single turbo hard
Perfect OEM integration means every control
The N55's factory inlet becomes a chokepoint when you push beyond Stage 1 power levels
The inserts press into the existing mount housing
Rear Differential Front Bushing Inserts X3 Install videos are availableYour 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