X4'22 – 5 Common Errors
In this video I'll talk about the 5 most common errors that X4 users make in building/running/setting up the car!
Perhaps you've done some of them yourself? Please watch the video to find out!
Chapters:
00:00 - Introduction
01:18 - Front body height & body upstops
05:12 - Steering EPA/steering lock set incorrectly
09:15 - Battery mounted without play
12:29 - Anti-roll bars mounted without play
15:47 - Belt tension too tight or too loose
In addition to the 5 commonly made errors that I listed in the video, I would also like to add the two following ones:
- Overuse of thread lock on the small set screws in ECS & CVD drive shafts. This might cause the drive shafts to bind up during use, which will affect the suspension movement during cornering.

- Uneven eccentric belt tensioning position between left and right. This will make the diff and/or spool to sit at an angle, which will have a negative effect on the transmission, and may cause binding to occur.

Source: A. Hagberg