# BMW Z3 battery: what each engine takes, with prices

> The BMW Z3 has run through 2 generations between 1995 and 2003, and we cover every one of them with 3 compatible batteries: 70 to 77 Ah, 680 to 780 A of cold cranking, from 74.95 € with VAT.

## Which battery does a BMW Z3 take?

It depends on the engine. BMW Z3 owners mostly buy Varta E44 Dynamic SLI 77Ah (85.40 €), Tudor TB740 Technica 74Ah (61.95 €) and Exide EA770 Premium 77Ah (65.30 €) from us. The table shows the recommended battery for each engine with its price (VAT included) and a link to its page; with your number plate or VIN we tell you the exact one in seconds.

## Recommended battery for each BMW Z3 engine

| Engine | Generation | Recommended battery | Price | URL |
|---|---|---|---|---|
| 1.9 i (103 kW / 140 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/19-i-103-kw-140cv |
| 3.0 i (170 kW / 231 CV) | Z3 Coupe (1997–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-coupe-e36/30-i-170-kw-231cv |
| 1.8 i (85 kW / 116 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/18-i-85-kw-116cv |
| 1.9 i (87 kW / 118 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/19-i-87-kw-118cv |
| 2.0 i (110 kW / 150 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/20-i-110-kw-150cv |
| 2.8 i (142 kW / 193 CV) | Z3 Coupe (1997–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-coupe-e36/28-i-142-kw-193cv |
| M (236 kW / 321 CV) | Z3 Coupe (1997–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-coupe-e36/m-236-kw-321cv |
| M (239 kW / 325 CV) | Z3 Coupe (1997–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-coupe-e36/m-239-kw-325cv |
| M 3.2 (176 kW / 239 CV) | Z3 Coupe (1997–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-coupe-e36/m-32-176-kw-239cv |
| 1.9 i (85 kW / 116 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/19-i-85-kw-116cv |
| 2.2 i (120 kW / 163 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/22-i-120-kw-163cv |
| 2.2 i (125 kW / 170 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/22-i-125-kw-170cv |
| 2.5 i (141 kW / 192 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/25-i-141-kw-192cv |
| 2.8 i (142 kW / 193 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/28-i-142-kw-193cv |
| 2.8 i (143 kW / 194 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/28-i-143-kw-194cv |
| 3.0 i (170 kW / 231 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/30-i-170-kw-231cv |
| M 3.2 (179 kW / 243 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/m-32-179-kw-243cv |
| M 3.2 (236 kW / 321 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/m-32-236-kw-321cv |
| M 3.2 (239 kW / 325 CV) | Z3 Roadster (1995–2003) | Varta E11 Dynamic SLI 74Ah | 74,95 | https://baterias.com/gb/car-batteries/bmw/z3-roadster-e36/m-32-239-kw-325cv |

## BMW Z3 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 |
|---|---|---|---|---|
| Z3 Coupe | 1997–2003 | coupe | 14 | /gb/car-batteries/bmw/z3-coupe-e36 |
| Z3 Roadster | 1995–2003 | cabrio | 39 | /gb/car-batteries/bmw/z3-roadster-e36 |

## Best-selling batteries for the BMW Z3

| Modelo | V | Ah | CCA (EN) | Tech | € VAT incl. | Stock | URL |
|---|---|---|---|---|---|---|---|
| Car battery Varta E11 Dynamic SLI 12V 74Ah 680A | 12 | 74 | 680 | PLOMO/ACIDO | 74,95 | ✓ | https://baterias.com/gb/battery-varta-e11-12v-74ah-680a |
| Car battery Varta E44 Dynamic SLI 12V 77Ah 780A | 12 | 77 | 780 | PLOMO/ACIDO | 85,40 | ✓ | https://baterias.com/gb/battery-varta-e44-12v-77ah-780a |
| Start-Stop battery Varta A7 Dynamic AGM 12V 70Ah 760A AGM | 12 | 70 | 760 | AGM | 134,95 | ✓ | https://baterias.com/gb/battery-varta-a7-agm-12v-70ah-760a |

## How to know which battery your BMW Z3 takes

The quickest and safest route is to enter your number plate: we identify the exact version, its engine and the battery fitted at the factory, with no room for error.

Prefer to do it manually? Check the date of first registration on your V5C and match it against the generation table above. When a year straddles two generations, the body style decides it: five-door hatch, estate or coupé.

One last check: the label on the fitted battery gives you the reference capacity and cold cranking. Match or improve those numbers, and make sure the case size and polarity suit your battery tray.

## Start-Stop: which battery your Z3 needs

Start-Stop on the modern Z3 changes the rules: the battery takes hundreds of micro-cycles daily. The correct answer is EFB for basic systems and AGM where braking energy is recovered. Dropping to a conventional battery is the most expensive mistake you can make here.

## Frequently asked questions

### Which battery does a BMW Z3 take?
It depends on the engine. BMW Z3 owners mostly buy Varta E44 Dynamic SLI 77Ah (85.40 €), Tudor TB740 Technica 74Ah (61.95 €) and Exide EA770 Premium 77Ah (65.30 €) from us. The table shows the recommended battery for each engine with its price (VAT included) and a link to its page; with your number plate or VIN we tell you the exact one in seconds.

### How much does a BMW Z3 battery cost?
Between 74.95 € and 134.95 €, 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 Z3 is?
By the registration year: Z3 Coupe (1997-2003); Z3 Roadster (1995-2003). 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.

### How long does a BMW Z3 battery last?
Four to six years in normal use. Start-Stop batteries (AGM/EFB) tend to last a little less in city driving because of the number of restarts, but they are built for that cycling. If the car sits for weeks or cranks slowly in the cold, have it tested.

### Can I replace the battery of my BMW Z3 myself?
On most versions, yes: disconnect the negative terminal first, then the positive, release the clamp and fit the new battery in reverse order. On Start-Stop models or cars with battery management (BMS), register the new battery with a diagnostic tool so the ECU adjusts charging.

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Updated: 2026-11-02 · https://baterias.com/gb/car-batteries/bmw/z3