Features

1. Lowered height adjustment from 1" - 3" which allow lower center of gravity and also add a more aggressive stance

2. 24 levels of damping force adjustability. A wide range of dampening adjustments can be made to provide a variety of responses to different road conditions and to tune the ride feel. 
3. Adjustable pre-load spring tension to reduce the shaking motion to a certain extent
4. CNC machined Aluminum top mounts and lockers-- - excellent strength, and save weight
5. Heavy Duty Steel Lower Mounts--- Highly Durable & Reliable
6. High tensile spring---600,000 times continuously test to assure it's high tensile strength.
7. All inserts come with fitted long rubber boots--- To protect the damper more well and be durable.
8. Twin-Tube structure ---provides excellent handling & control characteristics for most driving conditions
9. Anti-Corrosion Finish - Anodized Aluminum And Powder Coated Carbon Steel Parts

Application

For BMW Z4 Roadster (E85) (2003-2009)  2.0 i,3.0 i,2.5 i,3.0 si, 2.2 i,2.5 si
For BMW Z4 Coupe (E86) (2006-2009) 3.0 si

Specification

- Front top mounts: pillow ball top mounts
- Rear : rubber top mounts
- Damping: 24 Ways adjustable
- Spring rate Front: 10 kg/mm (560 lbs/in)
- Spring rate Rear: 8kg/mm (448 lbs/in)
- Spring length Front: 180mm
- Spring length Rear: 170mm
- Adjustable height: lowering 1-3inch
- Coilover overall length Front: 360mm-495mm
- Coilover overall length Rear: 485mm-585mm
- Shock type: Twin tube
- Spring Preload: 7-10 mm
- Color: gold

Package included

- 2 Front + 2 Rear Full coilovers

- A pair of drop links
- A pair of wrenches for height adjustment

★ 30-day Money Back & 12-Month Replacement Guarantee. Please feel free to contact us if there is any question.