HARDRACE BMW 1 Series F20/F21 Rear Subframe Brace - Q0423 M240i (G42) EXTERIOR STYLING Pressure tested at 120 psi

Pressure tested at 120 psi to guarantee reliability in extreme boost conditions

Each radiator undergoes individual leak and pressure testing to guarantee reliability and performance under demanding conditions

BMW G30/G31 540i (2018+)

which are prone to flex under load

HARDRACE BMW 1 Series F20/F21 Rear Subframe Brace - Q0423 M240i (G42) EXTERIOR STYLING Pressure tested at 120 psiThe HARDRACE Rear Subframe Brace (part no. Q0423) is a direct fit, performance upgrade over the OEM part for the BMW 1 Series (F20) and BMW 1 Series (F21). Precision engineered to tighten suspension geometry, sharpen steering response and improve durability under hard road and track use. Built to a higher standard than the OEM component, it delivers a measurable improvement in feel, longevity, and feedback. Key Features Direct fit replacement for the