Location: Westchester County, NY. iTrader: ( 1) If you are switching from Non AGM to AGM you have to update the VO by removing B0## and add A0## to the order and write to CAS and FRM then manually change the CAS battery class to ##ah_agm then use tool32 to register. 3.1.2 Quick Vehicle ID for Service Lamps Reset You do not need to go through the entire vehicle id entification proces s if you only want to reset the oil service or inspection service lights. Use the procedure below for a shortcut to the service lights reset functional tests. See “Service Re set” on page 18 for more information. i NOTE: Route 2: People buy the bmw battery and the BAV tech tool for $300 and clear out the code themselves. Route 3: People are replacing the battery themselves but not resetting the code claiming that it is BS that the car needs to be 'reset' for the battery, etc, claiming that is a pile of hoot BMW is pushing on us to squeeze out every last penny Project Time: 1 hours Tab: $150 Talent Tools: Set of sockets (10mm, 13mm), flathead screwdriver. Parts Required: Battery, battery vent hose Performance Gain: Car will start well. Complementary Modification: Replace battery vent hose When replacing your battery, be sure to use a high quality unit. If the battery is good and the car is not charging, then the alternator or wiring is bad. With the car running, ask the mechnaic "what is the voltage across the battery?". - If is over 12V (should be something like 14 volts) then the alternator is charging. - If the voltage is low, the alternator is probably bad. Easy DIY battery replacement. Here I show how to replace the battery on BMW E90 series, probably applicable to several BMW models. I also show how to reset the battery in the MRS: Battery Safety Terminal. DDE: EWS tempering. I managed to find the menu to code the battery to the car and reset the CAS but couldnt find the other module to also reset because i have a feeling the immobilizer is stopping the car from starting, just cranks non stop. does anyone know how to reset these modules on ISTAP before i send the car After replacing the battery, battery replacement has to be registered in the power module.Newer bmw's can experience battery draw issues. usually after battery replacment the active steering has to be re-aligned. you can try turning the steering wheel lock to lock to see if that solves your problem (usually only works on older cars) if you can find a shop that has a GT1 (bmw's older diagnostic The procedure is straightforward, the following video documents the steps. If you have a battery that is different than the factory one, you will need to code the correct values after this step. 5. Battery Coding. Only do this if you have a battery which is different than your factory one. Drives: 06 325XI Monaco Blue. Join Date: Sep 2005. Location: NYC. iTrader: ( 0) Garage List. 2006 325xi [0.00] After Battery Change CC-ID 97. My 2006 OEM battery finally died, so I replaced with DieHard Gold Automotive Battery - Group Size 48. the battery works but the seat belt and airbag light come on. lmTkYRO.