Choosing the correct battery for the BMW 6 Series F13 Coupe, introduced in 2010, is essential to ensure full compatibility with the vehicle’s advanced electronics and Start-Stop system. This luxury grand tourer combines high-performance engines with sophisticated comfort and infotainment features, all of which place a significant demand on the car’s electrical system. Therefore, selecting a high-quality AGM (Absorbent Glass Mat) battery is not just recommended—it’s required for all variants of this model.
For the 640i and 640i xDrive models, which feature Start-Stop technology and are powered by efficient yet potent petrol engines, the ideal battery specification falls between 95 and 96 Ah, with a cold cranking amperage of 850 A. These cars require an AGM battery capable of handling frequent engine starts and supplying stable power to various systems even when the engine is temporarily off. Example models that match these requirements include Bosch S5A 13, Exide EK950, Lucas LF017, and Varta G14. These batteries are specifically designed to cope with the higher electrical loads typical of premium vehicles.
The 650i and 650i xDrive models are offered in two power versions: 300 kW and 330 kW. While the 300 kW versions also use 95–96 Ah AGM batteries with 850 A starting power, the higher-performance 330 kW variants and the M version demand more robust batteries. These require 105–106 Ah with a starting power of 950 A. This increased capacity is due to the more powerful engines and greater number of onboard features, especially in the M variant which includes performance-oriented electronics. Suitable battery models for the more powerful versions include Bosch S5A 15, Exide EK1060, Lucas LF020, and Varta H15. These batteries not only support strong cold starts but are also built to last longer under the strain of frequent charging cycles.
On the diesel side, the 640d and 640d xDrive models also come with Start-Stop systems and need batteries that provide consistent, high output. The recommended specification remains in the 95–96 Ah range with 850 A CCA. AGM batteries such as Halfords AGM 019, Exide EK960, and Varta G14 are reliable choices. These are designed to perform well in colder climates and during high-load situations, which is especially important in diesel engines that generally require more energy to start than petrol equivalents.
A key feature of the BMW F13 Coupe is its intelligent energy management system. This system actively monitors the battery’s condition, charge state, and temperature to ensure optimal performance and efficiency. This makes the use of AGM batteries not just a matter of performance, but also of compatibility. Installing a conventional flooded battery can lead to improper function or even fault codes in the vehicle’s computer.
Another crucial aspect of replacing a battery in the F13 is registration and, in some cases, coding. After installing a new battery, it should be registered in the car’s onboard system using diagnostic tools. This step ensures that the charging system adjusts itself to the new battery’s characteristics and state of health. Skipping this process can reduce battery life and impair charging performance.
In conclusion, the BMW 6 Series F13 Coupe demands high-quality AGM batteries tailored to the needs of modern Start-Stop systems and advanced vehicle electronics. Whether you’re driving a 640i, a diesel 640d, or the high-output 650i or M variant, choosing an appropriate AGM battery in the correct capacity range will keep your car running smoothly. Opting for well-known, reliable brands such as Bosch, Exide, Varta, or Lucas ensures dependable performance and peace of mind behind the wheel.
BMW 6 Series in version F13 Coupe is produced from 2010. The following table presents information about batteries that match each of the engines available on the market.
Basic parameters of batteries suitable for BMW 6 Series (2010-):
| Layout | Terminal types | Base hold-down |
|---|---|---|
| 0 – positive on the right side | 1 | B13 |
BMW 6 Series F13 Coupe – petrol engines:
- 640 i – with Start-Stop
- 640 i xDrive – with Start-Stop
- 650 i (300 kW) – with Start-Stop
- 650 i xDrive (300 kW) – with Start-Stop
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 AGM S5A 13 | 95 Ah 850 A | 353x175x190 mm | More |
| Exide AGM EK950 | 95 Ah 850 A | 353x175x190 mm | More |
| Exide AGM EK960 | 96 Ah 850 A | 353x175x190 mm | More |
| Halfords Advanced AGM 019 | 95 Ah 850 A | 353x175x190 mm | More |
| Lucas Fusion AGM LF017 | 95 Ah 850 A | 353x175x190 mm | More |
| Varta Silver Dynamic AGM G14 | 95 Ah 850 A | 353x175x190 mm | More |
BMW 6 Series F13 Coupe – petrol engines:
- 650 i (330 kW) – with Start-Stop
- 650 i xDrive (330 kW) – with Start-Stop
- M – with Start-Stop
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 AGM S5A 15 | 105 Ah 950 A | 393x175x190 mm | More |
| Exide AGM EK1050 | 105 Ah 950 A | 392x175x190 mm | More |
| Exide AGM EK1060 | 106 Ah 950 A | 393x175x190 mm | More |
| Lucas Fusion AGM LF020 | 105 Ah 950 A | 393x175x190 mm | More |
| Varta Silver Dynamic AGM H15 | 105 Ah 950 A | 393x175x190 mm | More |
BMW 6 Series F13 Coupe – diesel engines:
- 640 d – with Start-Stop
- 640 d xDrive – with Start-Stop
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 AGM S5A 13 | 95 Ah 850 A | 353x175x190 mm | More |
| Exide AGM EK950 | 95 Ah 850 A | 353x175x190 mm | More |
| Exide AGM EK960 | 96 Ah 850 A | 353x175x190 mm | More |
| Halfords Advanced AGM 019 | 95 Ah 850 A | 353x175x190 mm | More |
| Lucas Fusion AGM LF017 | 95 Ah 850 A | 353x175x190 mm | More |
| Varta Silver Dynamic AGM G14 | 95 Ah 850 A | 353x175x190 mm | More |
If you’re still unsure which battery fits your BMW 6 Series , or if you want to help others in their selection, please send us a photo of your current battery in the comment section at the bottom of the page. You can also send the picture to contact@whatbattery.co.uk (we will place it in the comments to also help other users). Be sure to specify the car model, year, type, as well as the engine capacity and power. We’ll do our best to assist you!