Coilovers Shock Absorbers for BMW Z4 (E85) Roadster 2002-2009 2.0 2.2 2.5 3.0

maXpeedingrods' MXR-B1 series is ideal for those who want to change the old worn-out strut but improve handling at the same time. It features height adjustable and maintains the OE ride quality to the greatest extent.

Application:

For BMW Z4 (E85) Roadster / Convertible 2002-2009

2.0i, 2.2i, 2.5i, 2.5 Si, 3.0i, 3.0 Si

Specification

Front Lowering: 20-45mm depending on the vehicle models

Rear Lowering: 15-40mm depending on the vehicle models

Damping : fixed damping

Top mounts: Front and rear OE top mounts required

Spring Rate Front: 6 kg/mm  (336 lbs/in)

Spring Rate Rear: 6 kg/mm  (336 lbs/in)

Front spring inner diameter: 62 mm

Rear spring inner diameter: 45-132-63 mm

Spring length Front: 170 mm

Spring length Rear: 192 mm

Helper spring rate Front: 1 kg/mm (56 lbs/in)

Helper spring length Front: 102 mm

Spring Preload advised: 7-10 mm

Shock Type: Twin tube

Package included
2x Front coil-overs
2x Rear coil-overs
2x C spanners

Dimension
Package size : 70*51*20 cm
Weight: 20100 g

Feature
1. Lower height adjustable (depends on vehicle models)
2. Dust boot, solid rubber bump stops
3. Weight Saving Aluminum Components And heavy duty Steel Lower Mount Brackets
4. Simple install,  Easy to adjust.
5. Use the vehicle's original upper mounts (not included in our product kit).

Note
1. All modifications must be installed by licensed mechanics and in compliance with your local modification regulations.
2. Please ensure all components are tightened with correct torque specifications (which can be found in the vehicle service manual)before and after installation. Any loose nuts, bolts, or locks will cause noise. Do check and tighten before serious problems happen.
3. Impact wrench is prohibited during the installation, it will loosen or damage the product.
4. Examine the clearance between tires and suspension. ( The minimum clearance should be 4mm, otherwise, you need to add wheel spacers. Caution: It is not sufficient with torsion beam trailing arm axles)
5. We suggest regular maintenance for the coil-over, spray with some WD40 every 3-4 months will keep it smooth and clean, which helps to extend the lifetime.