BMW R 12 G/S (2025) — Specs
Identity
Manufacturer: BMW
Model: R 12 G/S
Category: Motorcycle
Type: Motorcycle
Years: 2025 →
Engine
Displacement (cc): 1170
Cylinders: 2
Power (hp): 109
Power (kW): 80
Torque (Nm): 110
Dimensions
Overall length: 2120 mm
Overall width: 870 mm
Overall height: 1235 mm
Wheelbase: 1496 mm
Ground clearance: 130 mm
Weight (kg): 229
Seat height (mm): 860
Tank (L): 15.5
Tires
Front pressure (bar): 2.3
Rear pressure (bar): 2.5
Drivetrain
Final drive: Shaft drive
Ignition
Spark plug: NGK MAR8AI-10DS
Fluids & Filters
Engine oil: SAE15W-50, API SJ
Engine oil (with filter, L): 3.95
Oil filter: OEM oil filter
Air filter: OEM air filter
Brake fluid: DOT 4
Fuel consumption
Manufacturer / WMTC: 5.0 L/100 km
Real-world range: ~310 km on a full tank (15.5 L)
Note: real-world ±15-30% depending on riding style
Service
Battery: OEM battery specification
Service interval (km): 10000
Service interval (months): 12
Valve check (km): 24000
Parts and consumables for this motorcycle
Data is gathered with care, but without guarantee. Always confirm critical information with your dealer or workshop.
Service notes
Service interval: every 10,000 km or 12 months, whichever comes first. Valve clearance check every 24,000 km. Engine oil: oil grade SAE15W-50, API SJ, 3.95 L with filter change. Spark plug: NGK MAR8AI-10DS. Brake fluid: DOT 4. Drive: shaft drive. Tire pressure: front 2.3 bar, rear 2.5 bar (cold). Always confirm critical values with the workshop manual or an authorised dealer.
OEM and quality aftermarket parts that fit this bike. Always confirm with your dealer before ordering.
Engine oil
Spec: SAE 5W-40, 4.0 L (with filter)
- OEM OEM recommended engine oil (SAE 15W-50)
- Premium Motul 7100
- Premium Motul 5100
Which Motul for this bike?
| Motul 7100 4T ✓ | Motul 5100 4T | |
|---|---|---|
| Product | Motul 7100 4T — 100% fully synthetic | Motul 5100 4T — semi-synthetic |
| Best for | Sport, Naked, Adventure (600cc+), track | Standard, Cruiser, Scooter, daily use |
| RPM protection | Excellent — ester base, stable under load | Good — for normal riding conditions |
- Standard Repsol Moto Racing 4T
- Standard Elf Moto 4 Tech
Fully Synthetic vs Semi-Synthetic
| Fully Synthetic | Semi-Synthetic | |
|---|---|---|
| Base oil | 100% chemical synthesis (ester or PAO) | Mineral oil + synthetic additives |
| Heat resistance | Excellent — stable at extreme heat & RPM | Good — suitable for normal temperatures |
| Cold start | Better — reaches engine faster when cold | Good — adequate for normal climates |
| Change interval | Longer (up to 10,000 km) | Shorter (5,000–7,000 km typical) |
| Price | Higher | Lower |
Oil filter
Spec: Hiflofiltro HF160
- Premium Hiflofiltro HF160
- Premium K&N KN-160
Air filter
Spark plug
Spec: NGK MAR9A-J, gap 0.8-0.9 mm
- OEM NGK MAR9A-J
- Premium NGK MAR9A-J
- Standard NGK MAR9A-J
Front brake pads
Rear brake pads
Front tire
Spec: 2.3 bar
Rear tire
Spec: 2.5 bar
Battery
- OEM OEM battery: BMW HVT-01 (12V 12Ah AGM)
- Premium BMW HVT-01 (12V 12Ah AGM)
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Service interval
Spec: 10 000 km / 12 months
- OEM Engine oil + oil filter change
- OEM Air filter inspection
- OEM Spark plug check
- OEM Brake fluid replacement: every 2 years
Valve check
Spec: 24 000 km
Suspension
Spec: 45 mm USD fork
- OEM Fork: 45 mm USD fork
Drive chain
