BMW 4 Series battery size
The BMW 4 Series takes a different battery depending on year and engine: 70LN2 for the 2003–2021 318d petrol; 100LN5 for the 2014–2021 420d Gran Sport diesel.
Battery size by year and engine
| Years | Engine / variant | Battery size |
|---|---|---|
| 2003–2021 | 318d petrol | 70LN2 |
| 2014–2021 | 420d Gran Sport diesel | 100LN5 |
Sizes follow the Motolite fitment guide. Some cars leave the factory with a different battery, so check the label on yours and which side its positive terminal is on.
Common questions
- What battery size does the BMW 4 Series use?
- The BMW 4 Series takes a different battery depending on year and engine: 70LN2 for the 2003–2021 318d petrol; 100LN5 for the 2014–2021 420d Gran Sport diesel.
- Where can I buy a BMW 4 Series battery in Butuan City?
- Autobats Car Battery Center in Butuan City sells 70LN2 and 100LN5 batteries. Call or text 0999 165 0194 (open 8AM–9PM) to check stock and reserve. We confirm the fitment and install it for free.
- How do I confirm the right battery for my BMW 4 Series?
- Compare the size printed on the label of your current battery with the size above, and check that the positive terminal is on the same side. If you are unsure, send us your year, engine and a photo of your old battery and we will check for you.