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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
The CNC machined throttle housing guarantees a proper seal
Available for all production dates (Single sided & DPK belts)
The original BMW bearings have too little clearance
Welcome to the E9x M3 titanium program
APEX doesn't rely solely on computer simulations or unverifiable in-house testing
SPL Parts BMW G8X Rear Upper Arms transmission pan The CNC machined throttle housingBMW G8X adjustable Rear Upper Arms (RUA) are an absolute necessity to maintain proper rear camber and reduce tire wear on the street and track. The stock BMW setup has an aggressive camber curve through bump travel, which is very apparent on lowered cars. Excess negative camber causes premature tire wear on the inside edge, and reduced traction on acceleration while too little camber will limit rear grip while cornering. Our Rear Upper Arms provide a
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