Your car does in fact have ride height sensors on the rear (well mine does) realoem lists 2 off part number 37146853753 self leveling suspension and 1 part number 37146853754 vehicles with Xenon lights

I had to change both sides my compressor kept over running and tripping, changed one which ...

Thanks, I will look at the front, but as you say, headlight levelling is usually for zenons.

It’s a 3.0d. It has rear air self levelling, and as it has halogen headlights, I presume, no headlight levelling.
I tried the search option, but found no part number. I have found another EBay listing stating the realoem part no 37146853753, so I might give that a try at £19.

Sorry E70. Yes I have seen that Realoem page, it’s very confusing to say the least. I tried an Ebay sensor but that has knocked the ride height to pot, one side up, one side down after calibration, and now it’s not recognised. OEM is the way if I can locate one, or just bung in springs!

My daughters ‘08 was always hard up all the time, so no issue with the bags or pump, so I thought, faulty sensor. Removed them both & one was stuck, so I tried WD40, which free’d it up, but still hard up. I bought an EBay sensor as I couldn’t find an OEM one anywhere, and that has just made things ...

Pictures as requested!!  How can I find out the spec for this car??

Will post some pics tomorrow(Tue)

Well she did get this one for £800, non runner sitting in a driveway for a year with burnt out clutch!! Her boyfriend is a mechanic, so clutch done for cost - £160! runs sweet but been neglected over the years!!
All the niggly problems seem to be electrical and I am slowly working my way through ...

Thats what I was thinking, but not sure how sensitive the canbus system was! The capsule bulbs will be a lesser wattage that the OEM festoon for sure!!

Hi guys,
New here so be patient! daughter just got herself a 2001 3.0i X5 with a few niggles. Dashboard warning messages for bulbs out, firstly foglights traced to bad earth at the light, fixed!! Second one is the number light warning but both are ON!! took the unit apart this afternoon to find it ...