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The bilstein B4 air suspension module offers optimum safety and durability. Don't be satisfied with less than bilstein if you need OE replacement.

BILSTEIN B4 air suspension module for maximum driving comfort. 
The revolutionary design provides damping, suspension and level control in one single part. 
The bilstein B4 air suspension module is available for active and passive systems and is therefore the ideal OE replacement part for a perfect driving experience as on day one. 

Enclosed installation instructions of the manufacturer must be observed!

How to replace the strut you can see in this video. It is essential to act according to this installation video: https://youtu.be/A3demcfOHRs 

Can be installed in the following vehicles: 
audi Q7 4L (2005 - 2015) 
VW Touareg I  Typ 7L (2002 - 2010)

Porsche Cayenne Typ 9PA (2002 - 2010)

Original spare part number: 
7L8616020F; 7L8 616 020 F; 7L8616020G; 7L8 616 020 G; 7L8616020; 7L6 616 020 D; 7L6616020D; 7L6 616 020 E; 7L6616020E; 7L6 616 020 A; 7L6616020A; 7L6 616 020; 7L6616020; 955 333 034 20; 95533303420; 955 333 034 21; 95533303421; 955 333 034 42; 95533303442; 955 333 034 43; 95533303443; 955333034; 955 358 020 00; 95535802000; 955 358 020 01; 95535802001; 955 358 020 02; 95535802002; 955 358 020 10; 95535802010; 955 358 020 11; 95535802011; 955 358 020 12; 95535802012; 955 358 020 20; 95535802020; 955 358 020 21; 95535802021

OEM bilstein:
45-240980

Important: 
-Never lower vehicle with air Discharged from air-suspension bellows! 
-Pressurize air spring to 5bar (72PSI).
-Check air suspension system for leaks.
-Lower vehicle with pressurized air spring modules from the lifting platform.
  Verify after repair if the system is completely sealed.
  The easiest way this is by parking the vehicle determine. Wait for the automatic readjustment of the system, if your vehicle has this feature. All heights the air are supported accurately measure from the ground to the lower edge of fenders and note. The next day, check and compare these heights.
  Even a small deviation of the distances leads to permanent damage to the compressor and the valves.