Ultra Racing 4-Point Rear Lower Brace – BMW G30 (2017-Present) | URCN-RS4-4077P RS4 (B9) BRAKING Optimised spring rates for sharper

Optimised spring rates for sharper handling and stability

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specifically made for the automotive industry

These are the perfectionist tuners choice when using standard or aftermarket ECU's to control boost on external wastegate set ups etc as they are perfect for achieving higher boost thresholds on applications using softer wastegate springs

Enhance the rear styling of your BMW with the SooQoo BMW G45 X3 Rear Window Fins in Gloss Carbon Fibre

Ultra Racing 4-Point Rear Lower Brace – BMW G30 (2017-Present) | URCN-RS4-4077P RS4 (B9) BRAKING Optimised spring rates for sharperThe Ultra Racing 4 Point Rear Lower Brace (SKU: URCN RS4 4077P) is a precision engineered chassis brace designed specifically for the BMW G30 (2017 Present). This brace stiffens the rear subframe area, improving rear end stability and traction during cornering. Manufactured by Ultra Racing from high grade steel, every brace is laser cut and CNC bent for accurate fitment to factory mounting points no drilling, no cutting and no permanent modification