BMW F8X 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....

The stock eccentric bolts provided by BMW for small toe adjustments tend to slip under high cornering loads, causing changes to the rear alignment. Our SPL Parts Eccentric Lockout Toe Arm (ELT) kit eliminate the stock eccentric bolts to keep your rear alignment where...

Our ST Adjustable Lowering Springs allow seamlessly adjustable lowering on vehicles with or without electronically adjustable dampers. They essentially turn any standard suspension into a coilover kit! Our new ST Adjustable Lowering Springs are now available for a variety of makes and models. The...

The XTA plus 3 coilover kit gives your car maximum performance for the road and the tools you need for any challenge. From the factory, the XTA plus 3 coilover kit is equipped with KW dampers that are adjustable in high-speed and low- speed...

2012 - 2017 BMW 120i, 2014 - 2016 BMW 228i, 2015 - 2016 BMW 228i xDrive, 2017 - 2020 BMW 230i, 2017 - 2018 BMW 230i xDrive, 2016 - 2018 BMW 320i, 2016 - 2018 BMW 320i xDrive, 2014 - 2016 BMW 328d xDrive,...

The award-winning Kompact EM series Blow-Off Valves, are the world's first truly plug and play Blow-Off Valves. Simply unplug and unbolt your OEM Blow-Off Valve, and install ours in its place. No adapters, hoses or extra assembly required. All this while retaining complete OE...

The Multiple Award-winning Kompact EM Series of Upgraded Diverter Valves are the world's first truly plug-and-play Upgrade solution for your factory diverter valve. Unplug and unbolt your OEM Valve, and install a Kompact EM Valve. No adaptors, hoses or extra assembly is required.This Part...