AST Suspension 5300 Series Coilovers - 2005-2011 BMW 3 Series 330i (E9X) GS Installation Instructions (PDF)Specifications

Installation Instructions (PDF)Specifications

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AST Suspension 5300 Series Coilovers - 2005-2011 BMW 3 Series 330i (E9X) GS Installation Instructions (PDF)SpecificationsFor the best performance on the track, AST Suspension designed the Competition 3 way adjustable series to fit the 2005 2011 BMW 3 Series 330i (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