I would've though that airbags would be foolproof. I think I've been doing something basically daft. Having changed yet more leaking airbags and making sure the EAS unlock settings are well within the ranges specified, the motor is rising to 52cm and even 53 cm hub centre to arch. I try resetting everything to the minimum on each level within the ranges. I then get an incorrect target. So, I increase each level by 5 and standard still goes to 46.5cm. I know about the block method. I'm not asking about that. What I'm asking is, are the terrefirma shockers I've put on assisting lift in some way that It's possible to inflate the bags to bursting point? Further, once I've done that is there no way back ? I've renewed all sensors, once with britpart and again with standard issue. Even though the pump seems OK I'm pretty sure I'm wiping that out with it near constantly running. I've substituted ecu, driver pack and valve block plus overhauled it myself.I've renewed all airlines and compressed air receiver. I've read and inwardly digested the wammer report (the best around). The only thing left is the nut on the mouse. I know I'm trying everyone's patience here, but, I really do need some sense talking to me. Hope you're all OK. regs. P.