How to Replace 2009 BMW 328i Battery: Easy Step-by-Step DIY Guide for E90/E92 Series
To replace the battery in a 2009 BMW 328i, follow these steps: Open the access hatch, disconnect the sensors, and remove the old battery. Install a compatible 12V AGM OEM battery. Use a BMW scanner to code the new battery. Follow safety precautions throughout. Expect the replacement to take about 20-30 minutes. Begin by disconnecting … Read more