BMW 4 series 2020+ battery replacement G22

Replacement of the 12v battery BMW OEM Parts: 61-21-9-878-491 This Vehicle takes an 80AH battery. Check the Amp hour rating on your battery and replace it with the same Amp Hour rating. Your battery may be a different size depending on installed equipment. Tools: - I recommend getting a ratchet with a flex head. This provides ease of movement and more flexibility, especially when used with other jobs For the 1/4 ratchet using a flex head gives you ease of movement in tight areas and comes in handy for other jobs.  ***Current BMW Factory trained Technician*** 10+ years experience Disclaimer ---The Friendly Mechanic assumes no liability for property damage or injury incurred as a result of any of the information/Reliance contained in this video. The content of this video is available for informational and educational purposes only. Always seek professional advice from your mechanic who has thoroughly inspected your vehicle and can make suggestions or judgements. Every vehicle is different, no two vehicles are the same and every repair will be different. The Friendly mechanic does not guarantee results or give warranties implied or expressed. The use of PPE (personal protective equipement) is always recommended whenever working on/with cars, vehicles, tools, parts and Chemicals of any kind. I always recommend safe and proper work practices when operating/handling power tools, hand tools, parts, liquids, chemicals, automotive lifting...