So the air ride won’t pump rear, if I turn the car off 10 times and turn it back on it comes up sometimes but once I drive for. A minute it goes down and the air ride message pops up I really need to get air in, none of the struts are bad front or rear The front stays up no problem I need to figure out what’s going on I’m not exactly sure what it is, ride height sensor? I need to get air in ASAP. I need to
You can pump the bags manually, if you need only to pump (and maybe a little ride). Blue connection to open the desired bag to pump, red to pump or inflate (inflate schematics in the middle, pump - on the right).
this will help with the wiring and help those that want to put in switches to raise or lower their M8 manually ) Air Suspension Explained
Manual leveling will not be as perfect as automatic in any way. I prefer thinking of "manual mode" as an emergency feature.
That schematic is handy to have. Here's an explanation of it in English showing how to inflate them manually. Once you inflate them to proper height, turn the switch off in the trunk to see if the airsprings leak. Air Ride hard fault troubleshooting and forcing system to inflate