Hi guys

I know this is an old post but it relates to my problem, I have replaced the compressor head and piston seal, the solenoid valve and the two front sensors and regulator rods. The car will run for a few miles before the suspension inactive fault appears with the run flat symbol
I noticed that the fault came on after going around a corner which makes me think is is wheel area related, the last time I checked it the snap on unit showed plausibility fault on front left wheel.
I don’t want to replace the EHC2 controller if it’s not that, so any ideas would be appreciated.

2005 x5 3L all round air suspension

Thanks Welshman