Some of the most common reasons for the airbag light illuminating in BMW 3 Series include a faulty sensor, loose or corroded connections, faulty clockspring, and defective airbag control module. 1. Faulty sensor. One of the most common reasons for the airbag light to turn on in 3 Series is a faulty sensor. The airbag system relies on a network i see you have not had your battery die, warning icons come up on the dash in the form of a battery advising battery is low. I had this happen for a few weeks before I had mine changed. my car is an 07, OP 4-5 years might be the average lifespan. another point, I had to have mine upgraded and coded in properly. Checked the voltage. It is 12 -12.1. Car was last shut off 20 hours ago when I briefly started the car to move back into garage after car wash. 2011 328i E93 - N52, Alpine White, Coral Red, ZSP, NAV, STEPTRONIC, Comfort Access, Heated Seats, Heated Steering Wheel, Through Loading. 06/10 build date. Always check to see if you have a strong battery before doing anything else . The IBS system can turn things off when the battery is weak and cause symptoms that are not directly related to the real problem a weak battery or charging system problems. Also cold is hard on batterys. electical e90 pdf 2007 328i had a few battery replacements. Low Battery indicator comes on everytime I start the car. After driving for 10-15 min and stop and start it again the problem go's away. However when sitting for a few hours the problem still persists. Low battery power. Any ideas? Thanks The first guy's diagnosis had the following findings. -1. REPLACE AUTOMATIC TRANSMISSION - $1,687.04 (labor)Technician performed fault tracing and found the following codesstored:EGS:56C5 Shift valve B: stuck in off position56BF Clutch, gears 1,2,3 and 4: neutral testCleared codes and test drove, both faults returned. These rarely fail on the E46, but it's a possibility. No start due to no, or low fuel pressure can be caused by a defective fuel pressure regulator. 3. Starter. If battery voltage is sufficient at the starter's electrical connections and the starter is not cranking, it is most likely defective. It’s one of the most noticeable symptoms of Engine Malfunction and Reduced Power. 3. Poor Engine Performance. When the Engine Malfunction Reduced Power warning appears, the engine’s performance is typically affected. Your BMW may run roughly or unevenly, and you may notice a lack of power or poor acceleration. 4. Misfiring speeds, the engines charging system will not. maintain the battery. Insufficient use of the vehicle. could result in short term starting problems. and in the long term could damage the battery. I assume the clock reset is the first sign that your battery is not getting enough regular charge. ttplLeQ.

bmw e90 low battery symptoms