No very common on the E39s, one of your tank units is reading incorrect. Usually it's the one with the fuel pump built into it, the one on the drivers side. It can be taken out and you can clean the contacts on it.Originally Posted by pauliE3X
No very common on the E39s, one of your tank units is reading incorrect. Usually it's the one with the fuel pump built into it, the one on the drivers side. It can be taken out and you can clean the contacts on it.Originally Posted by pauliE3X