Product: AP Lowering springs BMW Z4 E89 Type: Z4; E89 (Z89) Roadster 2.0i, 2.3i, 2.8i, 3.0i Year: 04/09- max. axle load front: 800 kg max. axle load rear: 970 kg Lowering: 30/20 Product No. 25920140 Footnotes: * All Measurements regarding lowering are approximate and can differ depending on the model, fittings and age of the vehicle.