Replace the battery. If the button cell battery in the key fob of 2 Series is replaced incorrectly or a battery is unsuitable, it can damage the vehicle key. Only replace drained batteries with new batteries in the same voltage, size, and specification. Make sure the battery is facing in the right direction when inserting it. Spread the love. The location of the battery on the 2018 BMW 430i is in the trunk, on the passenger side towards the wall and under the carpet area. You can jumpstart the car from the front end area under the hood. The size of the battery on the 430i is Group Size 49, 900 CCA. Table of Contents show. The 2008 BMW 528i’s battery location is in the trunk, behind the passenger side taillight. To access your battery, you will have to lift up the floor mat and hook it to the mouth of the trunk and remove the plastic fasteners that secure the trunk floor and wall panels. BMW 2 Series; BMW M2 F87; BMW E46 M3; BMW i3; Which SUV to Buy? BMW E39 M5; E90 3 Series; BEV (Battery Electric Vehicle) and REx (Range Extender). The former used an electric motor and a Summary of Contents for BMW 2 SERIES COUPE. Page 1 Contents Owner's Manual for Vehicle The Ultimate Driving Machine THE BMW 2 SERIES COUPE. OWNER'S MANUAL. Online Edition for Part no. 01 40 2 924 974 - X/13 Page 3 The more familiar you are with your vehicle, the better control you will have on the road. BMW’s next battery-electric sedan, the i5, will debut for the 2024 model year with as much as 590 horsepower powering the range-topping M60 trim. View 2023 BMW 2-Series Gran Coupe Details. BMW battery replacements typically cost between $300 and $500 with parts and labor. Schedule Your Service with BMW of Murrieta. If you have any questions about BMW battery care, feel free to contact us at BMW of Murrieta! We’re located in Murrieta with a full service and genuine parts department, so don’t hesitate to reach out. The starter relay, however, is located in your engine compartment on the passenger's side under the black box which also houses your cars main computer. This black box is located towards the back of the engine compartment (close to the windshield) on the passenger's side. There are 4 philips head screws which hold it in place. QwKk.