4pcs Coilovers for BMW 3 Series E92 Coupe E90 2WD 2005-2013 Front Rear Struts

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QSDYP\n\n4x Coilovers for BMW 3 Series E90, E91, E92, E93 Coil over Suspension Lowering\n\nAll modifications must be installed by licensed mechanics and in compliance with your local modification regulations\n\n\u200B\u200B\u200B\u200B\u200B\u200B\u200B\n\nTechnical Details\n\nHeight Adjustable\nFront lowering 30-85mm\nRear lowering 30-65mm\n\nDimension Details\nSpring rate Front: 8 kg/mm (448 lbs/in)\nSpring rate Rear: 8 kg/mm (448 lbs/in)\nFront spring inner diameter: 62mm\nRear spring inner diameter: 64mm\nSpring length Front: 170mm\nSpring length Rear: 262mm\nHelper spring rate Front: 1kg/mm (56lbs/in)\nHelper spring length Front: 102 mm\nSpring Preload advised: 7-10 mm\n\nPowder Coated Springs\nover 600,000 Continuously Stress Test With 0.04% Distortion Rate.\n\nGalvanized Steel Body\nResists Rust, Corrosion and Scratches to Extend Its Lifespan\n\nFitment\n\nfor BMW 3 Series E90 Saloon 2004-2011 RWD \n316i, 318i, 320i, 323i, 325i, 328i, 330i, 335i, 316d,d