Applications:

For BMW 3 E46 Saloon 1997-2005

  316i 318i 320i 323i 325i 328i 330i 318d 320d 330d

For BMW 3 E46 Convertible 2000-2007

  318Ci 320Ci 323Ci 325Ci 330Ci 320Cd 330Cd

For BMW 3 E46 Coupe 1998-2006

  316Ci 318Ci 320Ci 323Ci 325Ci 328Ci 330Ci 320Cd 330Cd 

For BMW 3 E46 Touring / Estate 1999-2005

  316i 318i 320i 323i 325i 328i 330i 330d 318d 320d

Note:

not for Xi/xd 4 wheel drive

not for M3 model either

OE shims need to be installed on the rear eye bolt bushings.

Specifications:

Height adjustable: Yes, lowering 25-75mm depending on the vehicle models

Damping : Not adjustable

Front top mount: Pillow ball bearing camber  plate

Rear top mount: Pillow ball

Camber adjustable: Available

Spring rate Front: 8 kg/mm(448 lbs/in)

Spring rate Rear: 7 kg/mm (392 in/lbs)

Front spring inner diameter: 70.5 mm

Rear spring inner diameter: 63-69 mm

Spring length Front: 180 mm

Spring length Rear: 180 mm

Shock type: Twin tube

Spring Preload: 7-10 mm

Warranty: 2 years

Quantity:

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

Feature:

1. Lowered height adjustment from 25-75mm (depends on vehicle models)which allows a lower center of gravity and also add a more aggressive stance 
2. Adjustable pre-load spring tension to reduce the shaking motion to a certain extent
3. Adjustable Camber Plate and Pillow ball top mount for sharpening steering response.( for some models)
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 its high tensile strength.
7. All inserts come with fitted long rubber boots--- To protect the damper better and be durable.
8. Twin-Tube structure ---provides excellent handling & control characteristics for most driving conditions
9. Corrosion Finish - Anodized Aluminum And Powder Coated Carbon Steel Parts

Notice:

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 3-5 months will keep it smooth and clean, which helps to extend the lifetime.