Does your E90 have IBS? Do you need to register/code a new battery?As I explained in the video, I was 100% sure I needed to register my new battery on my BMW One of the first symptoms of a weak battery is that the comfort access don't work properly anymore. Either you need a few tries or it doesn't react at all. Also if the engine need 1-2 seconds more to start up, your battery probably causing the problem. And yep it is terrible what they are asking for a battery reprogramming.. DME/ECU repair. Hi fellow BMW owners. About 6 weeks ago, my 2007 E90 sedan with 194000 + miles has stopped starting. I changed the starter, battery power distribution assembly, did a check on the IBS did all of trouble shooting I could think of. I scanned my dme/ecu unit with my Schwaben unit. One fault code said that the EWS was not 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

BMW E90 328i Sedan / Repair Manuals and Technical Data / 61 General vehicle electrical system / 61 20 Battery / Closed-circuit current measurement Sporadically or continuously, an increased closed-circuit current can occur in the parked vehicle.

Symptoms. Car had all the abs,traction control, brake lights come on. Sent the ABS module away for a rebuild put it back in and cleared the codes had one P0500 and it worked for 2 weeks. Now all the same lights are on and my speedo does not work. As above Im now leaning towards the Rear left wheel sensor.
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bmw e90 bad battery symptoms