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My gf picked up our M5 from Crevier BMW last night after having its oil cooler replaced under warranty. The oil gauge was showing 0.5L on the oil gauge for 90% of her drive home, but as she got within about 2 miles of our house she called me sounding pretty freaked out. She said that the gauge had jumped from 0.5L to -0.6L and she got a warning on the iDrive screen telling her to add oil because driving any further might cause engine damage.
We were both pretty confused and pissed off at the dealership. I figured they would at least replace any oil lost during the oil cooler swap and the service record even says they added 2 liters of oil. We called Crevier this morning and told them what had happened and they basically told us to pound sand. So at this point I'm thinking I might just do the obvious and add oil. I've got a spare 1-1.5L stored in the trunk since I know these motors burn oil. But what I'm worried about right now is the fact that it may just be a faulty oil level sensor. Is there any way to confirm this? I would hate to overfill the motor, but at the same time, I don't want to risk running the car when it's potentially at -0.6L. I'd love some advice on this if anyone has some!
Thanks in advance,
KH
We were both pretty confused and pissed off at the dealership. I figured they would at least replace any oil lost during the oil cooler swap and the service record even says they added 2 liters of oil. We called Crevier this morning and told them what had happened and they basically told us to pound sand. So at this point I'm thinking I might just do the obvious and add oil. I've got a spare 1-1.5L stored in the trunk since I know these motors burn oil. But what I'm worried about right now is the fact that it may just be a faulty oil level sensor. Is there any way to confirm this? I would hate to overfill the motor, but at the same time, I don't want to risk running the car when it's potentially at -0.6L. I'd love some advice on this if anyone has some!
Thanks in advance,
KH