AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (Non Inverted) - 1998-2001 BMW 3 Series 318i Sedan/Touring/Coupe/Convertible (E46) RX-8 2016 BMW 4 Series

2016 BMW 4 Series

2007 Porsche Boxster

5 inch wide springs with 1 inch diameter pins - some modifications to spring plate center hole might be needed in addition to longer U-bolts Vehicle Fitment

9 954 120-250-115 B 115 8

AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (Non Inverted) - 1998-2001 BMW 3 Series 318i Sedan/Touring/Coupe/Convertible (E46) RX-8 2016 BMW 4 SeriesThe 5100 Series shock absorbers for the 1998 2001 BMW 3 Series 318i 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