I had no idea the BMW hex code was so non-specific. [The 4-digit code number itself is "non-specific" in many instances, but there are "additional digits" or identifiers which are NOT read or interpreted by "Non-BMW" Scan Tools. As stated before, INPA gives you BOTH a detailed definition AND the corresponding P-code. Apr 29, 2014. #2. Check Engine bay on the RHS (Drivers) Next to the battery charge point, there is a smallish wire (pinky sized) that runs across the engine bay into the DME box in the top left. Check for power on that wire using a multi meter. If there is no power, in the boot, on top of the battery, there is a set of inline fuses, find the Location: Williamsburg. iTrader: ( 2) Battery drain issue 2007 E90/335i Sedan. Greetings, Less than 6-7 months ago I change my battery at a BMW dealership. They performed the battery reset in accordance with BMW instructions. Now, just two days ago I wash and wax my car left it in the garage for two days and this morning the battery didnt have CRC MAF Cleaner: Symptoms: car won't start during a track event, at first I thought battery is discharged because I left the car on without the engine running, so I asked my friend to push it for me. However after I hook up my diagnostic scanner, the battery shows 12.2V with engine running, drive home for about an hour and voltage dropped to 10.8V (alternator Also, in the N54 and N52 engines the voltage regulator, a $45 part, can be changed w/o removing the entire alternator. If I remember correctly, running the car with all the accessories off should produce a fairly consistent 14 volts at the battery, if that is not the case, it is indicative of a voltage regulator issue. Your BMW may not reach its optimal temperature, particularly if it’s cold out, decreasing horsepower and fuel economy. Stuck Halfway: The third way that a thermostat can fail is if it becomes stuck halfway, typically as a result of a jammed piston. This is much more common than being stuck open or closed, and is probably the least serious issue. My battery was drawing too many-(not because too low) amps and car charging system diagnosed bad battery (poosible minor internal shortage) and shut off blower and radio and also raised charging rate (dash showed 15.3V) jDaWTuF.

bmw e90 bad battery symptoms