Pay in 4 interest-free payments of $43.75 Learn more
Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
the AST Lowering Springs provide a reliable and high-quality suspension upgrade for BMW 5 Series owners seeking enhanced vehicle dynamics
Its lightweight construction and mandrel-bent pipework optimise gas flow for improved response and efficiency
and can cause "limp mode" once temperatures reach a certain threshold
Black Powder-Coated Heat Shields
and responsiveness without compromising everyday usability
R44 BMW F Series B58 Ceramic Coated Exhaust Catless Downpipe (M140i, M240i, 340i, 440i, G30 540i & more) MASTER SOCKET SETS the AST Lowering Springs provideThe R44 BMW F Series B58 Ceramic Coated Catless Downpipe is developed for drivers and tuners chasing maximum exhaust flow, sharper response and improved thermal control from their B58 powered BMW. Manufactured from high grade stainless steel and finished with a durable ceramic coating, this downpipe replaces the restrictive factory catalytic converter to dramatically reduce back pressure. The ceramic coating helps manage under bonnet temperatures,