# BMW 8 Series battery: what each engine takes, with prices

> We stock 8 batteries that fit the BMW 8 Series across its 4 generations (1990-2025), from 50 to 105 Ah, with cold cranking between 540 and 950 A and prices starting at 90.20 € including VAT.

## Which battery does a BMW 8 Series take?

It depends on the engine and on whether it has Start-Stop. The table shows the recommended battery for each BMW 8 Series engine with its price, VAT included; with your number plate or VIN we tell you the exact one in seconds.

## Recommended battery for each BMW 8 Series engine

| Engine | Generation | Recommended battery | Price | URL |
|---|---|---|---|---|
| 840 d xDrive (235 kW / 320 CV) | 8 Gran Coupe (2019–2025) | Varta A5 95Ah | 179,99 | https://baterias.com/gb/car-batteries/bmw/8-gran-coupe-g16-f93/840-d-xdrive-235-kw-320cv |
| 840 i (250 kW / 340 CV) | 8 Gran Coupe (2019–2025) | Varta A5 95Ah | 179,99 | https://baterias.com/gb/car-batteries/bmw/8-gran-coupe-g16-f93/840-i-250-kw-340cv |
| 840 i xDrive (250 kW / 340 CV) | 8 Gran Coupe (2019–2025) | Varta A8 60Ah | 107,40 | https://baterias.com/gb/car-batteries/bmw/8-gran-coupe-g16-f93/840-i-xdrive-250-kw-340cv |
| M 850 i xDrive (390 kW / 530 CV) | 8 Gran Coupe (2019–2025) | Varta A5 95Ah | 179,99 | https://baterias.com/gb/car-batteries/bmw/8-gran-coupe-g16-f93/m-850-i-xdrive-390-kw-530cv |
| 840 d xDrive (235 kW / 320 CV) | 8 Convertible (2018–2025) | Varta A5 95Ah | 179,99 | https://baterias.com/gb/car-batteries/bmw/8-convertible-g14-f91/840-d-xdrive-235-kw-320cv |
| 840 d xDrive (235 kW / 320 CV) | 8 Coupe (2018–2025) | Varta A5 95Ah | 179,99 | https://baterias.com/gb/car-batteries/bmw/8-coupe-g15-f92/840-d-xdrive-235-kw-320cv |
| 840 i (250 kW / 340 CV) | 8 Convertible (2018–2025) | Varta A5 95Ah | 179,99 | https://baterias.com/gb/car-batteries/bmw/8-convertible-g14-f91/840-i-250-kw-340cv |
| 840 i (250 kW / 340 CV) | 8 Coupe (2018–2025) | Varta A5 95Ah | 179,99 | https://baterias.com/gb/car-batteries/bmw/8-coupe-g15-f92/840-i-250-kw-340cv |
| 840 i xDrive (250 kW / 340 CV) | 8 Convertible (2018–2025) | Varta A4 105Ah | 189,30 | https://baterias.com/gb/car-batteries/bmw/8-convertible-g14-f91/840-i-xdrive-250-kw-340cv |
| 840 i xDrive (250 kW / 340 CV) | 8 Coupe (2018–2025) | Varta A4 105Ah | 189,30 | https://baterias.com/gb/car-batteries/bmw/8-coupe-g15-f92/840-i-xdrive-250-kw-340cv |
| M 850 i xDrive (390 kW / 530 CV) | 8 Convertible (2018–2025) | Varta A5 95Ah | 179,99 | https://baterias.com/gb/car-batteries/bmw/8-convertible-g14-f91/m-850-i-xdrive-390-kw-530cv |
| M 850 i xDrive (390 kW / 530 CV) | 8 Coupe (2018–2025) | Varta A5 95Ah | 179,99 | https://baterias.com/gb/car-batteries/bmw/8-coupe-g15-f92/m-850-i-xdrive-390-kw-530cv |
| 840 Ci (210 kW / 286 CV) | 8 (1990–1999) | Varta E38 74Ah | 90,20 | https://baterias.com/gb/car-batteries/bmw/8-e31/840-ci-210-kw-286cv |
| 840 i (210 kW / 286 CV) | 8 (1990–1999) | Varta E38 74Ah | 90,20 | https://baterias.com/gb/car-batteries/bmw/8-e31/840-i-210-kw-286cv |
| 850 CSi (277 kW / 377 CV) | 8 (1990–1999) | Varta H3 100Ah | 109,90 | https://baterias.com/gb/car-batteries/bmw/8-e31/850-csi-277-kw-377cv |
| 850 CSi (280 kW / 380 CV) | 8 (1990–1999) | Varta E38 74Ah | 90,20 | https://baterias.com/gb/car-batteries/bmw/8-e31/850-csi-280-kw-380cv |
| 850 Ci (240 kW / 326 CV) | 8 (1990–1999) | Varta E38 74Ah | 90,20 | https://baterias.com/gb/car-batteries/bmw/8-e31/850-ci-240-kw-326cv |
| 850 i, Ci (220 kW / 300 CV) | 8 (1990–1999) | Varta E38 74Ah | 90,20 | https://baterias.com/gb/car-batteries/bmw/8-e31/850-i-ci-220-kw-300cv |

## BMW 8 Series generations

Each generation takes a different battery. If you are torn between two, check the body style or use the number plate lookup.

| Generation | Years | Body | Batteries | URL |
|---|---|---|---|---|
| 8 Gran Coupe | 2019–2025 | coupe | 15 | /gb/car-batteries/bmw/8-gran-coupe-g16-f93 |
| 8 Coupe | 2018–2025 | coupe | 11 | /gb/car-batteries/bmw/8-coupe-g15-f92 |
| 8 Convertible | 2018–2025 | berlina | 12 | /gb/car-batteries/bmw/8-convertible-g14-f91 |
| 8 | 1990–1999 | berlina | 13 | /gb/car-batteries/bmw/8-e31 |

## Best-selling batteries for the BMW 8 Series

| Modelo | V | Ah | CCA (EN) | Tech | € VAT incl. | Stock | URL |
|---|---|---|---|---|---|---|---|
| Car battery Varta H3 12V 100Ah 830A | 12 | 100 | 830 | PLOMO/ACIDO | 109,90 | ✓ | https://baterias.com/gb/battery-varta-h3-12v-100ah-830a |
| Car battery Varta G3 12V 95Ah 800A | 12 | 95 | 800 | PLOMO/ACIDO | 95,20 | ✓ | https://baterias.com/gb/battery-varta-g3-12v-95ah-800a |
| Car battery Varta E38 12V 74Ah 750A | 12 | 74 | 750 | PLOMO/ACIDO | 90,20 | ✓ | https://baterias.com/gb/battery-varta-e38-12v-74ah-750a |
| Start-Stop battery Varta A5 12V 95Ah 850A AGM | 12 | 95 | 850 | AGM | 179,99 | ✓ | https://baterias.com/gb/battery-varta-a5-agm-12v-95ah-850a |
| Car battery Varta E43 12V 72Ah 680A | 12 | 72 | 680 | PLOMO/ACIDO | 90,20 | ✓ | https://baterias.com/gb/battery-varta-e43-12v-72ah-680a |
| Start-Stop battery Varta A8 12V 60Ah 680A AGM | 12 | 60 | 680 | AGM | 107,40 | ✓ | https://baterias.com/gb/battery-varta-a8-agm-12v-60ah-680a |
| Start-Stop battery Varta A4 12V 105Ah 950A AGM | 12 | 105 | 950 | AGM | 189,30 | ✓ | https://baterias.com/gb/battery-varta-a4-agm-12v-105ah-950a |
| Start-Stop battery Varta A9 12V 50Ah 540A AGM | 12 | 50 | 540 | AGM | 118,90 | ✓ | https://baterias.com/gb/battery-varta-a9-12v-50ah-540a |

## How to know which battery your BMW 8 Series takes

Easiest of all is the number plate lookup: those few characters tell us the precise variant, the engine and the original battery, so you need not check anything else.

Another route is the vehicle paperwork: the registration date places you in one of the generations listed. In the overlap years, body style is the detail that separates them.

Before ordering, inspect your existing battery: its label lists the Ah and the starting amps. The replacement must match or beat both — never fall short — and share the same size and positive terminal side.

## Start-Stop: which battery your 8 Series needs

If your 8 Series has Start-Stop, the battery works far harder than usual — hundreds of restarts a day rather than a handful. That calls for EFB or AGM, depending on whether the system is basic or includes regenerative braking. A conventional battery there lasts months and can make the car switch Start-Stop off.

## Frequently asked questions

### Which battery does a BMW 8 Series take?
It depends on the generation and engine: there are 8 compatible batteries in total, from 50 to 105 Ah and 540 to 950 A of cold cranking. The best sellers for this model are Car battery Varta H3 12V 100Ah 830A, Car battery Varta G3 12V 95Ah 800A, Car battery Varta E38 12V 74Ah 750A. With your plate we tell you the exact one in seconds.

### How much does a BMW 8 Series battery cost?
Between 90.20 € and 189.30 €, VAT included, depending on capacity and technology (lead-acid, AGM). Start-Stop versions (AGM or EFB) sit at the top of the range because they withstand many more cycles.

### How do I know which generation my 8 Series is?
By the registration year: 8 Gran Coupe (2019-2025); 8 Coupe (2018-2025); 8 Convertible (2018-2025); 8 (1990-1999). If your year falls in the overlap between two generations, tell them apart by body type (hatchback, estate or coupé) or use the plate finder, which settles it with no doubt.

### Can I fit a battery with more amps?
Yes, as long as the dimensions fit the tray and the terminal layout matches. More capacity (Ah) and more cold cranking (A) do not harm the vehicle: the alternator charges it the same and you gain margin in winter. What you must never do is go below the original figures.

### How long does a BMW 8 Series battery last?
Between 4 and 6 years in normal use. Start-Stop batteries (AGM/EFB) tend to last slightly less in city driving because of the number of starts, but they are designed for that cycling. If the car sits unused for weeks or you notice slow cranking in the cold, get it checked.

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Updated: 2026-10-31 · https://baterias.com/gb/car-batteries/bmw/8