This works on many BMW cars from 2006 on like the e90, e91, e92, e60, etc. The IBS or Intellengent battery sensor monitors the battery and provides charging First guess, you were using cheap jumper cables and didn’t let your battery charge long enough before trying to start it. no mate was jump started 3 times by 3 different cars also checked the battery it was on 12 volts. 12 volts is a dead battery, needs to be at least 12.6 volts with engine off, preferably 12.8 volts. Disconnect the negative terminal from the battery. Always disconnect your vehicle's battery before working on any electronic component. Failure to do so can cause catastrophic damage to sensitive electronics. The BMW E90 footwell module is located in the driver’s footwell behind the lateral trim panel. Install starter into engine. Install NEW starter fasteners and tighten. Install electrical connections, do not over-tighten battery positive (+) terminal, stud can break. Reassemble intake manifold and reconnect battery. Check operation of starter, then recheck that all wiring is routed as before. Choose a file. Accidentally shut your trunk with the battery disconnected? Maybe need to Jump Start your car?In this video we’ll show you how! You can purchase one of our j iTrader: ( 2) Think this way. A car lead-acid battery is made up of six 2volt cells in series making 12 volts (all wet lead acid cells are 2 volts) So it will be 12v, or just above, when not charging (6x2v = 12). Lead acid cells need to be pushed above 2.25V to charge, so 6 x 2.25 = 13.5V. Turn on the car ignition without starting the engine. Once the scanner has turned on go to the BMW chassis and model and select it. To navigate to the SRS control unit, select BMW then control units followed by body safety. Once you reach the SRS control unit you should be able to read airbag fault codes. Next clear the airbag control unit BMW MAP SENSOR LOCATION REPLACEMENT EXPLAINED BMW F30 F31 F32 F33 F34 316i 318i 320i 328i 418i 420iIf you are trying to find where the MAP Sensor is located BMW F30 F31 CABIN AIR FILTER LOCATION REPLACEMENT 328i 320i 335i 316i 318i 316d 318d 320d 325d 328d BMW PARTS: When going to the car shop to replace your old battery with a new original BMW battery, the costs may turn out to be higher than you’d expected. The registration of the battery itself costs around $200. BimmerTech on the other hand offers a much cheaper battery registration service. gZ0Uv.