Reversing - Clunk

[BMWx5e53]

I'm getting a clunk when I am reversing in my e53 4.8is.
The clunk is coming from the front passenger side (UK Car).
The clunk happens regardless of steering position but tends to happen more often when I am reversing around a corner.

It started as a subtle clunk but now is noticeable as you can feel it in the car/cabin. It has been present for many months now.
Sway bars were replaced a few weeks ago - had no effect.

Drop links look in good order as these were done about 3k miles ago.

It has 20mm Spacers on the front alloys/wheels - unsure if that would affect it.

[andrewwynn]

One clunk when first reversing? Motor mount or related to front drive shaft. If repeatedly clunking it could be a slipping driveshaft. Can you do a video or audio recording?


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[BMWx5e53]

I'll try to do a video, its just 1 clunk, then is fine until next time i reverse.
Usually happens when the car is cold or hasnt been driven in a day or two.

[andrewwynn]

I would take a video of the engine mount while changing into reverse then forward and back. See if you can notice a distinct shift. Compare right vs left side. Worn CV joint can have a clunck also going between forward and reverse


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