Batteries for BMW K K 75 RT 75 hp (petrol, 1989-1996)
Which battery does a BMW K K 75 RT need?
Specifications and battery: K 75 RT (75 hp)
BMW K K 75 RT (75 hp, petrol, 1989-1996): depending on the equipment, it takes a conventional 30 Ah, 180 A battery (186 × 130 × 171 mm) or a conventional 19 Ah, 100 A battery (186 × 82 × 171 mm). Measure your current battery before choosing. In every case the positive terminal is on the right.
- Brand
-
BMW
- Model
- K
- Built
- 1989 - 1996
- Fuel
- Petrol
- Cylinders
- 3
- Drive
- Cardan
Battery for this engine
| Version | Technology | Capacity | Cold cranking (EN) | Size (L×W×H) | Polarity |
|---|---|---|---|---|---|
| Depending on equipment 1 | Conventional | 30 Ah | 180 A | 186 × 130 × 171 mm | + on the right |
| Depending on equipment 2 | Conventional | 19 Ah | 100 A | 186 × 82 × 171 mm | + on the right |
This engine shares its battery with the K 1 (101 hp), K 75 (50 hp), K 75 (68 hp), K 75 and 8 more: the compatible batteries are exactly the same.
Data: vehicle specifications and the battery manufacturer's application catalogue.
EFB, AGM or conventional for this engine?
Rule of thumb for the BMW K K 75 RT: fit the same technology as the original or better (conventional → EFB → AGM), with equal or higher capacity and cold cranking amps, and respect the size and terminal position of around 30 Ah.
Battery analysis for your BMW K K 75 RT
Quick answer Depending on the equipment, your motorbike uses one of these two main batteries: ordinary lead-acid 30 Ah (186×130×171 mm), for which we recommend VARTA 530030030, or ordinary lead-acid 19 Ah (186×82×171 mm): VARTA 519013017. Before buying, check the Ah on your current battery's label or measure its length.
Batteries in your BMW K K 75 RT
Measure the width of yours: 130 or 82 mm
Prices and availability updated on 09/11/2026
Based on the batteries we found for your vehicle, our experts help you pick the right one.
📋 What we found
For your BMW K K 75 RT we found 12 compatible batteries. This list includes 2 AGM or EFB batteries and 10 conventional batteries.
📏 Battery size
The list contains batteries in different sizes or capacities (Ah). In many cases both variants fit, but it's worth checking your compartment dimensions and the Ah of your original battery before buying. Choose the one with the same dimensions as your current battery: a bigger one may not fit the compartment or the hold-down. If several match your size, the higher capacity gives more headroom for cold starts.
📊 View AGM vs EFB vs Conventional — full comparison
⭐ Our recommendation
For your BMW K K 75 RT we recommend the VARTA 530030030 (ordinary lead-acid, 30 Ah). Varta is the world's leading manufacturer of starter batteries and supplies first-equipment (OEM) batteries to the major European car makers.
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Verified selection
- Class: Motorcycle Batteries
- Brand: BMW
- Model: K
- Engine: K 75 RT
AGM / EFB batteries
AGM or EFB technology batteries: more charge cycles, faster recovery and a longer life than a conventional battery.
-
Motorcycle battery Exide AGM12-31 YIX30L 12V 30Ah 430A AGM
- 12 V
- 30 Ah
- 430 A
- AGM EXIDE AGM12-31 · 30 Ah · 430 A
Dimensions 165×130×175 mm
€92.95
-
Motorcycle battery Varta YTX30L-BS Powersports AGM (530905045) 12V 30Ah 450A AGM
- 12 V
- 30 Ah
- 450 A
- AGM VARTA 530905045 · 30 Ah · 450 A
Dimensions 166×127×175 mm
€150.60
Conventional batteries
Standard lead-acid batteries.
-
Motorcycle battery Varta 53030 Powersports (530030030) 12V 30Ah 300A
- 12 V
- 30 Ah
- 180 A
Dimensions 186×130×171 mm
- ✓ Varta brand
€82.60
-
Motorcycle battery Exide GEL12-19 51913 12V 19Ah 170A GEL
- 12 V
- 19 Ah
- 170 A
- GEL EXIDE GEL12-19 · 19 Ah · 170 A
Dimensions 185×80×170 mm
€73.95
-
Motorcycle battery Varta GEL-19Ah Powersports GEL (519901017) 12V 19Ah 170A GEL
- 12 V
- 19 Ah
- 170 A
- GEL VARTA 519901017 · 19 Ah · 170 A
Dimensions 186×82×173 mm
€97.20
-
Motorcycle battery Exide E60-N30L-B Y60-N30L-B 12V 30Ah 300A
- 12 V
- 30 Ah
- 300 A
- Conventional EXIDE E60-N30L-B · 30 Ah · 300 A
Dimensions 185×130×170 mm
€86.70
-
Motorcycle battery Fulbat NH12-20 GEL 51913 12V 21.1Ah 235A GEL
- 12 V
- 21.10 Ah
- 235 A
- GEL FULBAT NH12-20 GEL · 21.10 Ah · 235 A
Dimensions 186×82×171 mm
€98.57
-
Motorcycle battery Exide E60-N24L-A Y60-N24L-A 12V 28Ah 280A
- 12 V
- 28 Ah
- 280 A
- Conventional EXIDE E60-N24L-A · 28 Ah · 280 A
Dimensions 185×125×175 mm
€101.80
-
Motorcycle battery Exide E60-N24AL-B Y60-N24AL-B 12V 28Ah 280A
- 12 V
- 28 Ah
- 280 A
- Conventional EXIDE E60-N24AL-B · 28 Ah · 280 A
Dimensions 185×125×175 mm
€83.40
-
Motorcycle battery Varta 52515 Powersports (525015022) 12V 25Ah 300A
- 12 V
- 25 Ah
- 300 A
Dimensions 184×124×170 mm
€168.60
-
Motorcycle battery Varta 51913 Powersports (519013017) 12V 19Ah 100A
- 12 V
- 19 Ah
- 100 A
- Conventional VARTA 519013017 · 19 Ah · 100 A
Dimensions 186×82×171 mm
€146.20
-
Motorcycle battery Fulbat 53030 GEL 12V 31.6Ah 300A GEL
- 12 V
- 31.60 Ah
- 300 A
- GEL FULBAT 53030 GEL · 31.60 Ah · 300 A
Dimensions 184×124×170 mm
€159.93
| Category | Make | Reference | Capacity | Cold cranking | Dimensions | Technology | Price | |
|---|---|---|---|---|---|---|---|---|
| Conventional batteries | VARTA | 530030030 | 30 Ah | 180 A | 186×130×171 mm | Conventional | €82.60 | More info |
| Conventional batteries | EXIDE | GEL12-19 | 19 Ah | 170 A | 185×80×170 mm | GEL | €73.95 | More info |
| Conventional batteries | VARTA | 519901017 | 19 Ah | 170 A | 186×82×173 mm | GEL | €97.20 | More info |
| Conventional batteries | EXIDE | E60-N30L-B | 30 Ah | 300 A | 185×130×170 mm | Conventional | €86.70 | More info |
| Conventional batteries | FULBAT | NH12-20 GEL | 21.10 Ah | 235 A | 186×82×171 mm | GEL | €98.57 | More info |
| Conventional batteries | EXIDE | E60-N24L-A | 28 Ah | 280 A | 185×125×175 mm | Conventional | €101.80 | More info |
| Conventional batteries | EXIDE | E60-N24AL-B | 28 Ah | 280 A | 185×125×175 mm | Conventional | €83.40 | More info |
| Conventional batteries | VARTA | 525015030 | 25 Ah | 300 A | 184×124×170 mm | Conventional | €168.60 | More info |
| Conventional batteries | VARTA | 519013017 | 19 Ah | 100 A | 186×82×171 mm | Conventional | €146.20 | More info |
| Conventional batteries | FULBAT | 53030 GEL | 31.60 Ah | 300 A | 184×124×170 mm | GEL | €159.93 | More info |
Frequently asked questions
- BMW K K 75 RT (75 hp, petrol, 1989-1996): depending on the equipment, it takes a conventional 30 Ah, 180 A battery (186 × 130 × 171 mm) or a conventional 19 Ah, 100 A battery (186 × 82 × 171 mm). Measure your current battery before choosing. In every case the positive terminal is on the right. We found 12 compatible batteries priced between 73,95€ — 168,60€. Check dimensions and positive terminal position before purchasing.
- Yes, you can install a higher capacity (Ah) battery as long as the physical dimensions fit your BMW K K 75 RT battery compartment and the positive terminal position matches.
- Motorcycles can use GEL, AGM, or conventional batteries. GEL batteries are ideal for occasional use. AGM batteries are the best option for heavy use or high-power motorcycles. Always check the polarity before installation.
- Polarity indicates which side has the positive (+) terminal. This is critical for motorcycles because some models have the positive terminal on the left and others on the right. Check the label on your current battery or the manufacturer's manual.
- Yes. First disconnect the negative (−) wire and then the positive (+) wire. When installing the new one, connect the positive (+) wire first and then the negative (−) wire. Always respect the correct polarity.
- Use the search tool by selecting your vehicle's make and model. Our system automatically filters compatible part numbers verified by our technicians. If you have any questions, contact us via WhatsApp.
- All our batteries come with the legal guarantee provided by consumer law against manufacturing defects. If a battery has a manufacturing defect, it will be replaced at no cost to the user.
- Under normal circumstances, batteries usually arrive within 1 to 2 days of ordering. However, there are some cases where delivery may take a little longer: peak seasons (Black Friday, Christmas, etc.), palletized shipments, occasional stock shortages, etc.