Have been doing more investigation into hard suspension, and decided to use IDS datalogger signal detection to check out all of the electrical inputs regarding the suspension module. The theory being that if one of the sensors like an accelerometer was feeding bad information to the computer, then t...

Hi Mike,

I have not looked at the compressor or dryer yet, but I have read your article, and will certainly get round to performing maintenance on this soon.

Thanks also for the pointers to valve block and CATS, this gives me something to start with.

Hi,this is my first post here, so I hope I get it right. I have an x350 2.7 2005 diesel which I bought about 6 months ago with 125,000 miles. It has developed an issue where the ride can sometimes be quite smooth and other times it is very hard / harsh, to the point where it is uncomfortable to driv...