SPL Parts Rear Upper Arm Links For E9X/E8X BMW (SPL RUA E9X) 31035 made from the same EPDM

made from the same EPDM rubber as the OEM gasket

It has HPS signature high temperature 4-ply reinforced silicone coupler and heavy duty 100% stainless steel T-bolt clamps to connect to the intermediate intercooler pipe

The goal was to provide the best looking front splitter for the vehicle

The included air scoop is designed to capture the coolest

The impressive bit is that the vehicle was able to hold over 400WTQ from 4150RPM

SPL Parts Rear Upper Arm Links For E9X/E8X BMW (SPL RUA E9X) 31035 made from the same EPDMStock 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. SPL Parts Titanium Series Rear Upper Arms, which include both the guide (traction) and camber (wishbone) arms, feature gun drilled 2024 Aluminum