AST Suspension 5300 Series Coilovers - 2007-2012 BMW 3 Series 320d (E9X) Lexus The mono-tube shock design with

The mono-tube shock design with a 44mm piston ensures consistent damping

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AST Suspension 5300 Series Coilovers - 2007-2012 BMW 3 Series 320d (E9X) Lexus The mono-tube shock design withFor the best performance on the track, AST Suspension designed the Competition 3 way adjustable series to fit the 2007 2012 BMW 3 Series 320d (E9X) The 5300 Series shock absorbers are rebound adjustable in 12 positions on the strut. The high speed compression is adjustable in 12 positions and the low speed compression is adjustable in 14 positions. Both compression adjustments are made using an external canister. All adjusters work completely