Data sheet
Dimensions & weights
- Wet weight
- 398 kg
- Wheelbase
- 1694 mm
Engine & drivetrain
- Engine
- 1802 cc · Air/oil-cooled boxer twin four-stroke
- Cooling
- Air/oil cooled
- Output
- 91 hp · 163 Nm
- Transmission
- 6-speed manual
- Final drive
- Shaft
- Fuelling
- Electronic fuel injection
Fuel & range
- Fuel capacity
- 24 L
Electronics & rider aids
- Cruise control
- Yes
- ABS
- Yes
Consumables & service specs
Every value carries its source.
Tyres
- Front
- 120/70 R19Period factory tubeless front fitment for the 2025-generation motorcycle.BMW R 18 B (2025+) rider's manual · official
- Rear
- 180/65 B16Period factory tubeless rear fitment; do not substitute the later 18-inch fitment.BMW R 18 B (2025+) rider's manual · official
Tyre pressures
- Front — solo
- 42.1 psi cold2.9 bar cold.BMW R 18 B (2025+) rider's manual · official
- Rear — solo
- 46.4 psi cold3.2 bar cold.BMW R 18 B (2025+) rider's manual · official
Engine oil
- Viscosity
- SAE 15W-50, API SJ / JASO MA2BMW factory oil specification.BMW R 18 B (2025+) rider's manual · official
- Capacity
- 4.0 LWith filter replacement.BMW R 18 B (2025+) rider's manual · official
Brakes
- Fluid type
- DOT 4Factory rider-manual specification for front and rear reservoirs.BMW R 18 B (2025+) rider's manual · official
Final drive
- Shaft oil grade
- FUCHS Titan EG 4218 SAE 70W-80 / BMW Hypoid Axle Oil G3Factory rider-manual rear-axle-drive lubricant specification.BMW R 18 B (2025+) rider's manual · official
- Shaft oil capacity
- 210 mLRear final-drive service refill quantity.R 18 final-drive oil service
Fuel
- Minimum octane
- 90 AKI / 95 RONPremium unleaded fuel.BMW R 18 B (2025+) rider's manual · official
- Ethanol tolerance
- E15 maximumDo not exceed 15% ethanol.BMW R 18 B (2025+) rider's manual · official
Tyre Library
Tyres for this bike and year
Start with this motorcycle’s front and rear sizes. Open a tyre to check the complete fit for this exact bike and year; a size or original-equipment report alone does not confirm it.
No matching front and rear pair
Michelin Anakee Adventure
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Michelin Anakee III
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Michelin Anakee Road
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Michelin Anakee Wild
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Pirelli Angel GT
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Pirelli Angel GT II
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Pirelli Angel ST
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Adventure A41
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Bridgestone Battlax Adventure Trail AT41
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Adventurecross AX41
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Adventurecross Scrambler AX41S
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX BT-45
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX BT46
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Sport Touring T32
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Sport Touring T33
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Bridgestone BATTLE WING BW501 / BW502
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Bridgestone BATTLECRUISE H50
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Michelin Commander III Cruiser
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Continental ContiClassicAttack
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Continental ContiEscape
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Continental ContiLegend
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Continental ContiMotion
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Continental ContiRoad
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Continental ContiRoadAttack 4
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Continental ContiTour
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Continental ContiTrailAttack 3
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Pirelli Diablo Powercruiser
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Metzeler Enduro 3 Sahara
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Mitas Enduro Trail-ADV 2
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Mitas Enduro Trail-XT+
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Mitas Enduro Trail+
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Bridgestone EXEDRA G853 / G852
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Bridgestone EXEDRA MAX
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
IRC GP-21F / GP-22R
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Heidenau K60 Scout
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Dunlop K750
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Metzeler Karoo 4
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Metzeler Karoo Street
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Metzeler Lasertec
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Pirelli MT 21 Rallycross
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Pirelli MT 60 RS
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Pirelli Night Dragon
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Continental RB 2 / K 112
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Michelin Road 5
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Michelin Road 6
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Michelin Road 6 GT
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Michelin Road Classic
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Michelin Road W GT
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Metzeler Roadtec 01
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Metzeler Roadtec 01 SE
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Metzeler Roadtec 02
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Metzeler Roadtec Z8 Interact
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Michelin Scorcher 11
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Michelin Scorcher 31
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Michelin Scorcher Adventure
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Pirelli Scorpion Rally
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Pirelli Scorpion Rally STR
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Pirelli Scorpion Trail II
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Pirelli Scorpion Trail III
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Avon Spirit ST
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Mitas Terra Force-R
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Continental TKC 70
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Continental TKC 70 Rocks
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Continental TKC 80
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Continental TKC 80²
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Metzeler Tourance
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Metzeler Tourance Next 2
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
No matching front and rear pair
Bridgestone Trail Wing TW101 / TW42
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
Does not fit this bike
Avon Cobra Chrome
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: source information, load rating, any manufacturer restrictions, front and rear pairing, approved rim width, speed rating, a named tyre match.
Does not fit this bike
Michelin Commander II
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: source information, load rating, any manufacturer restrictions, front and rear pairing, approved rim width, speed rating, a named tyre match.
Does not fit this bike
Michelin Commander III Touring
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: source information, load rating, any manufacturer restrictions, front and rear pairing, approved rim width, speed rating, a named tyre match.
Does not fit this bike
Metzeler Cruisetec
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: source information, load rating, any manufacturer restrictions, front and rear pairing, approved rim width, speed rating, a named tyre match.
Does not fit this bike
Metzeler ME 888 Marathon Ultra
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: source information, load rating, any manufacturer restrictions, front and rear pairing, approved rim width, speed rating, a named tyre match.
Where to find things
Common locations for jacks, filters, fluids and fuse boxes. Follow the reference link when a picture helps more than words.
Engine oil fill
Engine-oil filler and level check are identified in the maintenance chapter.
ReferenceBrake fluid reservoir
Front and rear brake-fluid levels are checked against their reservoir marks with the motorcycle positioned as specified.
ReferenceBattery
Battery access follows the rider-manual bodywork sequence; disconnect negative first.
ReferenceFinal-drive service points
Rear final-drive housing and exposed Cardan-shaft area must be inspected for leaks, damage or play.
Reference