BMW M3/M4 12V (12 Volt) 69Ah Lithium Ion Battery - Genuine OEM Li-ion Starter Battery Replacement for F80 M3, F82 & F83 M4 (CS, GTS) | F8x S55 Direct-Fit | Lightweight M Performance | OE 61 21 8 047 221 / 61218047221

Factory 69Ah lithium starter battery for F8x M cars. Perfect direct-fit solution for F80-chassis M3, F82 M4 and F83 M4, including CS and GTS editions. If your car is slow to crank, throws low voltage warnings or loses charge, this original BMW lithium unit restores strong starting, stable voltage and day-to-day reliability while keeping weight to a minimum.

This is the authentic BMW part built for the S55B30 platform with full integration to the car’s power management and intelligent battery sensors. Expect correct communication with the vehicle electronics, excellent charge acceptance and dependable performance in daily use and on track. We run this unit in our own cars and customer builds, and feedback has been consistently positive for cranking strength, longevity and overall stability. Supplied as the latest production version from BMW.

Why choose this lithium battery

• OEM 69Ah 12V lithium chemistry for strong cold starts and consistent voltage delivery
• Direct replacement for F80 M3 saloon, F82 M4 coupe and F83 M4 convertible, including CS and GTS
• Lower mass compared with traditional lead-acid types for sharper handling balance
• Designed to work with the car’s IBS and power management for correct charging behaviour
• High charge acceptance for short journeys and start stop systems
• Approximate weight: 14 kg

What you receive

• 1 x BMW 69Ah Li-ion 12V battery, latest BMW supply

Image for illustration only. You will receive the most up-to-date version from BMW.

Vehicle fitment

• BMW M3 F80 2014 onward, including M3 CS
• BMW M4 F82 2014 onward, including M4 CS and M4 GTS
• BMW M4 F83 Convertible 2014 onward

Built for cars using the S55 twin-turbo straight-six. For cars originally specified with the lithium unit, this is the correct factory replacement.

Part number

BMW reference: 61218047221 (also shown as 61 21 8 047 221)

Fitting and registration

Installation should be carried out by a professional and the new battery must be registered to the vehicle so the charging strategy is correct. Coding or registration ensures the DME and BMS recognise the new unit and charge it appropriately.

Need fitting or coding Help is on hand at MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

Compatibility check before dispatch

We will verify suitability prior to shipping. Please provide your UK registration or the last 7 of your VIN at checkout so we can confirm the correct part for your car.

Manufacturer and warranty

Made by: BMW genuine parts, engineered specifically for your vehicle.

Warranty: Two years manufacturer warranty for UK customers and one year for international customers when a VIN is provided at checkout on compatible vehicles.

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Choose the authentic factory lithium unit for your F8x M car. Proven on our own vehicles and by happy customers, it delivers confident starts, strong electrical stability and the reassurance of a genuine BMW part.