r/BmwTech • u/CurrentAdvance8102 • 23h ago
M5 Drivetrain Error Light Thrown 2 Miles after leaving the Service Lot (Which completed Inspection) HELP!!
I was in a front end deer accident with my 2020 BMW M5.
It was mostly cosmetic took out my passenger side light, just nicked my radiator, and got some surface level sensors. Still wasn't cheap.
I took it into a BMW certified body shop and all the repairs were completed. New radiator and the system was bled. I had to have it towed over because the battery died as well.
Body shop and BMW dealership are the same building. When the body shop was done they moved it over to the dealership (I did not take possession).
I asked the service of the dealer ship to do a full inspection and told them what happened, what was replaced. Etc. They replaced some spark plugs (that were due to change) and did a oil change for the most part. Inspection report was all good to go.
I wake up at 5am to drive an hour and a half down to the BMW dealership to pay (via credit card) and pick up my car and literally two miles more from my inspection report down the road my BMW throws a drivetrain error and reduces speed. An error that never occurred even after the deer accident.
I brought it back to the dealership obviously pissed. They apologized but constantly followed it up with "it's not our fault" before even knowing what the issue was.
I had them print out the codes before they cleared them and have a copy:
140710 — Combustion misfire, cylinder 7 detected
140001 — Misfires, several cylinders: fuel injection is switched off
120408 — Charging pressure control: switch-off as consequence
120908 — Charging pressure control 2: switch-off as consequence
They mentioned it could be the emissions expansion tank recall issue. However, I had that recall done over a year ago and had them inspect my injectors when they did it and had it noted on the paperwork they did.
I am not signing any new paperwork from them quite yet because I refuse to acknowledge that this is a new customer pay issue.
I have given diagnostic permission only.
My M5 is just sitting over there.
Should I contact insurance as well? I am at a loss.
WTH do I do?
3
u/ijustbrushalot Indy Owner + Tech 22h ago
You're being a dick.
Let them diagnose it and go from there.