This is nonsense! Same here. Bought a device for my racing car tuning, done all those courses, attached, resynchronized, etc. and still gray. Contacted support as @Bill@HPtunners offers and got a...
Type: Posts; User: GM_tuners
This is nonsense! Same here. Bought a device for my racing car tuning, done all those courses, attached, resynchronized, etc. and still gray. Contacted support as @Bill@HPtunners offers and got a...
GM e41 ECM upgrade kit has to be used with MPVI3 to work on cars such a
Hi everyone!
Im looking to buy a proper/ safe tune for stock GM L5D 2020-now. Please, professionals only.