Search Results for ‘coolant’

The other day for the first time ever I got a thermostat code (2B59) to say that it was stuck open. ISTA shows that this fault was only logged once on cold start that day. I turned the car on and off a number of times during that day and have driven it since then once or twice and the code has...

I have had this annoying problem with my temp gauge on a E39 M5 for year now: completely randomly it shoots up off the scale into the red. Obc test 7 shows a comical -128°C. The car does not overheat, when i shut the car and turn my ignition back its fine but it wont come back to normal until i...

Hi guys, yesterday after a bit of a "run" a warning popped up " Low coolant level ! " Checked the level this morning, car cooled down, the expansion tank was nearly full of coolant. Warmed up the car, got to the Secret Menu to check the coolant temperature, it fluctuated between 75 and did not...

Hi all. My 91 M5 has been losing a LOT of coolant without any signs of internal or external leaks. Chris (bmwdirtracer) has helped me troubleshoot/diagnose the issue multiple times with leak down tests, pressure tests, etc and we still haven't been able to find anything. Previous owner had...

I cannot get rid of the Code P0128 "Coolant Thermostat Coolant temp below thermostat regulating temp". I am on my 4th mechanic. Thermostats replaced 3 times, temp sensor, water pumps (secondary pump done at the dealer) even my radiator. I had it finally at the dealer who said it was the Aux...

I have been smelling a bit of a burning plastic smell after I go for short drives in the M5. It might be unrelated, but I decided to check my oil level today and found this. This is after I cleaned it off and put it back in. I also don't remember my dipstick ever looking crooked like...

Ok I have searched enough and no simple fix seems logical for my car. New Thread Time. First off Problems, then car history Purchased car 2 months ago and on the drive back the SES triggered. When I bought the car the previous owner informed me that the car took a while to warm up, minute or...

I've got a 91 US model and I recently started getting a flickering check engine light. I pulled the code, 1223, coolant temperature sensor. I also get an occasional moment where the water temp gauge drops to zero, then returns on its own. Given the random flickering of the CEL, I figured it...