SPL Rear Upper Arms for F8X M2/M3/M4 (RUA F8X) Check Valve This item DOES work with

This item DOES work with the stock Evo 8/9 ECU as well as standalone engine management systems

25") Neck 20982 Filler Neck 42mm ID (1

The STM lightweight small battery kit for Evo 5/6 allows you to drop 21 pounds vs the factory battery

Constructed of HNBR elastomeric composites

SPL Rear Upper Arms for F8X M2/M3/M4 (RUA F8X) Check Valve This item DOES work withSPL adjustable Rear Upper Arms for the BMW F8X models are an absolute necessity to maintain proper rear camber and reduce tire wear on the street and track. Vehicle Fitment: 2015 2018 BMW M3 F80 2015 2020 BMW M4 F82 F83 2016 2021 BMW M2 F87 Made in the USA. Sold as a complete kit for one car (4 total arms). More Info: The stock BMW setup has an aggressive camber curve through bump travel, which is very apparent on lowered cars. Excess negative camber