maXpeedingrods Coilovers Compatible for BMW E90 E91 (RWD) 2005-2013 316i, 318i, 320i, 320si, 323i, 325i, 328i, 330i, 335i, 335is

[description] ApplicationCompatible for BMW 3-Series E90/E91 (RWD) 2006-2013 Excludes M3 SpecificationsTop mounts: front - pillow ball top mountsrear - OE top mounts required Damping: not availableSpring rate: front 10Kg/mm rear 8Kg/mmAdjustable height: Yes, lowering 1" to 3"Shock type: Twin tubeSpring Preload: 7-10 mmColor: gold Feature1. Lowered height adjustment from 1''-3'' which allow lower center of gravity and also add a more aggressive stance2. Twin-Tube structure allows sufficient stroke within the shock absorber3. Separate height adjustment does not affect damper stroke4. High Tensile performance spring �STRESS TESTED OVER 600,000 times while the spring distortion is less than 0.04%. Plus, the special surface treatment improves the durability and performance.5. Height adjustment tools included6. Pillow ball top mount - It improves the steering feel and response7. Most pieces in our Coilover systems, including mounts, collars and spring perches, are designed from 6061-T6 Bi