AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (Non Inverted) - 1998-2000 BMW 3 Series 320i Sedan/Touring/Coupe/Convertible (E46) 260Z 2009 Mercedes-Benz E-Class E200/E200CGi/E250 Coupe

2009 Mercedes-Benz E-Class E200/E200CGi/E250 Coupe (C207)

2013 Audi A4 Quattro Sedan 1

2000 Mazda Millenia

2018 Audi A3 Sedan/Sportback 1

serviceable construction

AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (Non Inverted) - 1998-2000 BMW 3 Series 320i Sedan/Touring/Coupe/Convertible (E46) 260Z 2009 Mercedes-Benz E-Class E200/E200CGi/E250 CoupeThe 5100 Series shock absorbers for the 1998 2000 BMW 3 Series 320i Sedan Touring Coupe Convertible (E46) utilize non inverted high performance monotube technology. In the past, these were known as the 4100 series. Monotube design shocks absorbers give your car a better performance than the standard twin tube design, the gas pressure is separated by a floating piston, and eliminates cavitation and airation within the oil chamber. The 5100 Series