Our recommended coilovers and suspension for the BMW E46 and E46 M3, from lowering springs to 3-way race kits, with the price of each and why you would pick it.
suspension
AST Suspension At GSM Performance: The 5100, 5200 And 5300 Explained
AST Suspension is now at GSM Performance. Who AST are, what separates the 5100, 5200 and 5300, the three 5100 packages, and the checks to make before you order a kit for your car.
Which BC Racing Coilover Series Do You Need?
A breakdown of all seven BC Racing coilover series: BR, RM, V1, ER, ZX, ZR and HM. Find out which series suits your car and how they differ in specification and purpose.
