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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Compatible with vehicles without existing standard lowering or adjusted accordingly
giving a true racing feel in the upper rpm range
Handcrafted in the UK using decades of motorsport expertise
or harshness)
HARDRACE BMW 1 Series F20/F21 Rear Subframe Brace - Q0423 M135i PRE-LCI (F20 & F21) Compatible with vehicles without existingThe 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
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