Steering column - upper part rattles
E46 328i with 120k
There's a rattle coming from the upper part of the steering column, especially over bumps. I can also feel a lot of the bumps on the road. No clunking under braking and the control arms were recently replaced so I don't think it's those.
The top part of the steering column (where it goes into the car) has a small amount of play. If I wiggle the upper part it replicates the noise that I get over bumps. Probably 2mm or about 1/10" .. Is this amount of play normal? There is less play at the bottom of the column (near the rack) than this.
Is it the universal joint mid-column or is it possible that parts 1, 9 or 10 on the diagram below are loose or worn ?
If not how do I test for tie rod ends / steering rack problem?