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Spacers can only be used with wheels that have cut-outs (facing the hub) to clear the stock studs
Addressing OEM Weak Points: Eliminates common factory manifold failures
requires no modification of turbocharger
it is especially important to zero out your sway bar preload to get consistent handling
Coupe models require modification to shorten the mid-section for proper fitment
SPL Parts 06-13 BMW 3 Series/1 Series (E9X/E8X) Rear Upper Arm Links - SPL RUA E9X Mass Air Flow Sensors Spacers can only be usedStock non M arms are made from sheet metal that is merely spot welded together, which tends to flex and bend under moderate loads let alone track day or racing stresses. If you use grippier tires and an engine with more torque, then the stock arms aren't able to provide stability and consistent handling. BMW E9X E8X Rear Upper Arms, which include both the guide (traction) and camber (wishbone) arms, feature gun drilled 2024 Aluminum links that are
