BMW R 18 B (MY2021) — Cruiser
BMW Press

2021–2024 · Cruiser · Buyer's Guide

R 18 B (MY2021)

Germany's Take on Bagger

The Machine's Character

The R 18 B takes the 1802 cc air/oil-cooled boxer and wraps it in a full touring fairing with hard luggage at the back. The numbers read 91 hp and 117 lb-ft, and the torque is the headline: this engine is built around pull, not revs. Shaft drive, six speeds, 66.7 inches between the axles. What sets it apart inside the cruiser class is how much technology arrives with the look. ABS, traction control, and ride modes are standard, and so are a TFT display, keyless ignition, cruise control, and heated grips.

On the road it behaves the way this class should. Low center of gravity, long wheelbase, and a seat at 28.3 inches that most riders can plant flat. It takes a straight 10.0 on my sheet for chopper stance, elegance, character, and retro line, and the 9.3 for build quality means the finish still reads expensive after a few seasons of weather. The caveat is mass. At 877 pounds wet it wants planning in parking lots and slow traffic, and the front fork gives you nothing to dial in. Buy it for presence and long-haul calm, not agility.

Hard Numbers

Spec sheets don't ride bikes, but they set the baseline.

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Key specifications
Power 91 hp (67 kW)
Torque 117 lb-ft (158 Nm)
Displacement 1802 cc
Engine Flat-twin (boxer)
Cooling Air/oil-cooled
Gearbox 6-speed
Final drive Shaft
Front tire 120/70 R19
Rear tire 180/65 B16
Wheelbase 66.7 in (1694 mm)
Seat height 28.3 in (720 mm)
Wet weight 877 lb (398 kg)
Fuel capacity 6.3 gal (24 L)
Fuel economy 41 mpg (US)

Equipment check

Chassis

  • Rear Suspension Adjustable Standard
  • Cruise Control Standard

Comfort

  • Heated Grips Standard
  • Luggage System Standard

Connectivity

  • Keyless System Standard

Lighting

  • LED Headlight Standard

Safety

  • ABS Standard
  • Traction Control Standard
  • Ride Modes Standard

The Voice of Experience

Portrait of NastyNils

The test ride

Hit the starter and the whole machine rolls on its side for a moment before it settles. The cylinder heads sit right there in your peripheral vision, and at idle you feel every combustion cycle come up through the seat. Roll the throttle open and the note goes deep and hard-edged, one of the better sounds anywhere in this segment. The seating position is wide and relaxed, arms out to bars mounted in the fairing, and that is where the honest complaint lives: at steady cruising revs the vibration finds your palms and stays there. Behind that fairing at 75 mph the bike sits flat and the air stays off your chest, so the miles pass quietly. Two hours in, the wind protection is still doing its job. Your hands are the part asking for a break.

A long, straight paved road stretches toward the horizon through agricultural fields in Vermont. Power lines and a mailbox are visible along the roadside. Lush green vegetation, cumulus clouds, good daylight conditions. The landscape is flat to gently rolling. Asphalt pavement appears to be in good condition. Rural American setting.
Meric Tuna / Pexels

The Truth on the Street

Known issues

  • Headlight reflector detachment (NHTSA recall 23V884)

    electrics rare Recall

    The low-beam reflector attachment points may break, causing the reflector to shift and resulting in reduced or misdirected illumination. Affected units: 2021–2024 R 18 B and Transcontinental.

  • Reverse gear control unit overheating (NHTSA recall 24V716)

    drivetrain rare Recall

    The sealing of the optional reverse-gear control unit may deteriorate, allowing moisture ingress and corrosion of internal contacts. This can lead to overheating and, in very rare cases, a thermal event. Interim remedy disconnects the unit until final replacement is available.

  • Fork head screw torque may be insufficient

    chassis rare

    Owners have reported that the fork head screw can leave the factory undertorqued, which can allow play in the steering head and unsettle the front end. Reported only in isolated cases, but worth a torque check on an early bike.

  • Left cylinder head catastrophic failure

    engine rare

    A small number of owners have reported major engine damage centred on the left cylinder head, with blue smoke as the giveaway symptom; BMW replaced the affected head under warranty rather than the complete engine. Isolated rather than systemic, but check service history and listen for smoke on a cold start.

The Expert Benchmark

Where this BMW R 18 B pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.

What kind of bike this is — character vs. the class

This bike Class average

The shape of the BMW R 18 B — numbers and character vs. the average Cruiser

Head-to-head: BMW R 18 B vs. its rivals

The 'Should I Buy It?' Score

Forget spec-sheet bragging. Here's who the R 18 B is actually built for.

Aerial view of a winding asphalt road cutting through volcanic terrain on La Gomera, Canary Islands. The road curves through sparse green vegetation with rocky volcanic peaks visible in the background and a settled valley to the left. Clear lane markings, dry climate, partly cloudy sky.

Best cruiser for Sturgis?

This one lands for you. It carries the stance, the metal, and the sound a Sturgis or Daytona run is built on, and the boxer gives you a voice nobody else in that parking lot has.

Made for A1A — Florida Atlantic Coast · Black Hills / Sturgis Rally Hub · Daytona Main Street / Bike Week

Best retro motorcycle for road trips?

The look is exactly right for a Kancamagus or Acadia weekend. Just know you are buying a full-dress bagger, so tight village streets and gravel pull-offs ask more of you than a light classic would.

Made for Acadia National Park · Austin / Handbuilt Motorcycle Show · Blue Ridge Parkway

Best touring motorcycle for long distance?

Fairing, hard luggage, cruise control, heated grips, and shaft drive cover the big days properly. Loaded two-up over a long pass, the weight and the bar buzz will remind you what you are riding.

Made for Beartooth Highway · Blue Ridge Parkway · Going-to-the-Sun Road

Alternatives to the BMW R 18 B

If this one isn't quite the fit, these are the bikes worth riding back-to-back against it.

Any price note compares both bikes at the same age — the youngest age both have on the used market — against this BMW R 18 B. “cheaper/pricier” is what that bike costs second-hand, not how worn it is.