SPL Parts Adjustable Rear Upper Camber Arm Set - 2008-2011 BMW M3 (E90) 440i Gran Coupe The factory pneumatic spring is

The factory pneumatic spring is retained Vehicle Fitment

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3 (E30-Evo 2)

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SPL Parts Adjustable Rear Upper Camber Arm Set - 2008-2011 BMW M3 (E90) 440i Gran Coupe The factory pneumatic spring isStock non M Arms for the 2008 2011 BMW M3 (E90) 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. Titanium Series Rear Upper Arms, which include both the guide (traction) and camber (wishbone) arms, feature gun