Don't bother with a trickle charger, it's too slow and not going to do you any good. You need a battery charger that outputs at least 3A and is compatible with AGM batteries. Also, driving at highway speeds won't charge the battery on newer models. The alternator is only engaged when the blue Efficient Dynamics section is lit (you can see it Plug in the BMW scanner to the OBD-II port. Turn on the ignition. Press the start/stop button twice without depressing the brake pedal. Power on the scanner, select the chassis code, and the auto-scan option. Now, the scanner would display the Diagnostic Trouble Codes (DTC) associated with the vehicle. The dealer did not find any problems with power steering but I spoke to shop foreman and he agreed to open a case with BMW NA and keep the car for a few more days. The battery may need replacement (dealer will need approval from BMW NA). Or - the entire power steering rack may have to replaced. To be continued. Sos system failure. I just visited the dealer, they told me the sos back up battery is dead. It has to be replaced. Total cost €600,- they say its the roof battery, so they have to take the whole roof liner out. Car is 3 years old en one month out of warranty. They are going to give bmw a call to see if some warranty will cover this. How to Reset BMW Parking Brake. First, try a soft reset of the BMW Parking Brake. Press and hold the parking pedal. Turn on the ignition. Press and hold the Parting Brake (P) button for five seconds. If this doesn’t work, reset the parking brake module using one of these methods. Part Number: H8-AGM. Weight: 60.76lbs. Warranty: 3 years. Notes: OE Exact Fit. *** 900 cold cranking amps (1000 cranking amps) ***. 170 reserve minutes. Warranty consists of 3 years free replacement. Battery is vented to outside of vehicle. OE manufacturer used various size batteries in production. Carefully size to fit. 2011 535i F10 delivered 1999 328i E46 retired Rear Differential Fluid Flush Rear Strut, shock absorber, spring replacement Brake Fluid Change / Replacement / Flush Battery Replacement and Registration with Carly Oil Filter Housing Gasket Replacement Serpentine Belt Tensioner Replacement (also cooling fan) Doug Huffman. 26098 posts · Joined 2015. #3 · Mar 3, 2018. After reconnecting the vehicle battery, carry out the following procedure for setting the steering angle: Start engine. Turn steering wheel left to full lock. Turn steering wheel right to full lock. Turn steering wheel to central position. Tam the Bam. It's usually those little watch batteries you use in everything from key fobs to remote thermometers for the smoker. Takes like 2 min to pop open your fob and swap out, and you can buy a bulk pack of batteries on Amazon for like $5. edit - quick google search shows it's the 2405 battery, and you can get a 10-pack on Amazon for $9. Many of you have asked for some basic videos on simple maintenance. Here's a good start, with how to change the battery in your BMW F series Key Fob! Takes a KHfI.