Shock absorber Bilstein Gas
Total length min/max 325/470 mm.
When installing 140 shock absorbers: The shock absorbers have been replaced by 240 46-0296 You may have to squeeze out the rear bushing sleeve (140 -71 had a different bolt) It is sport/rally shock absorbers that are larger compared with the regular ones. Bilstein B6 is very hard compared to original shock absorbers.
Oil or gas?
In the Youtube video below Dan will explain the difference between shock absorbers in oil and gas.
(The video is in swedish but english subtitles are available)