BMW R11 Series 3
1932Allround

BMW R11 Series 3

Key specifications

Engine
745 cc
Power
18 HP
Fuel type
petrol
Fuel capacity
3.7 L
Transmission
3-speed
Front brakes
Expanding brake (drum brake)

Overview

Introducing the 1932 BMW R11 Series 3, a classic gem that holds a revered place in the annals of motorcycle history. As BMW's foray into the allround category, this motorcycle is a harmonious blend of style, engineering prowess, and innovative technology for its time. Designed for riders who sought both functionality and flair, the R11 Series 3 encapsulates the essence of early 20th-century motorcycling, offering enthusiasts a glimpse into the golden age of two-wheeled travel. With its distinctive boxer engine and quintessential BMW aesthetics, the R11 stands as a testament to the brand's commitment to performance and quality. At the heart of the R11 Series 3 lies a robust 745cc two-cylinder boxer engine, a configuration that has become synonymous with BMW motorcycles. This four-stroke powerhouse produces a respectable 18 horsepower at 3,400 RPM, providing a top speed of 100 km/h (62.1 mph). The engine boasts a compression ratio of 5.5:1, which, when paired with its single SUM CK 3/500 F 1 carburettor, ensures an efficient fuel consumption rate of just 4.5 liters per 100 km (52.27 mpg). Riders will appreciate the smooth power delivery and reliable performance, thanks to the three-speed gearbox and shaft drive, which help maintain a seamless riding experience, even on longer journeys. The R11 Series 3 is not just about raw power; it also showcases a thoughtful array of features that enhance both ride quality and safety. The steel double cradle frame provides a sturdy foundation for the motorcycle, while the front suspension employs plate springs for a comfortable ride over various terrains. The expanding drum brakes, with a 200 mm diameter at the front and 55 mm at the rear, ensure dependable stopping power. With a fuel capacity of 14 liters, the R11 is designed to fuel your adventures without frequent stops, making it a perfect companion for those long, winding country roads. Moreover, the kickstarter adds a touch of nostalgia, reminding riders of a more hands-on era of motorcycling. In conclusion, the 1932 BMW R11 Series 3 is a remarkable motorcycle that beautifully encapsulates a bygone era of engineering sophistication and style. Its combination of classic design, solid performance, and historical significance makes it a coveted choice for collectors and riding enthusiasts alike.

Pros

  • Iconic Design: The R11’s classic aesthetics and boxer engine layout have made it a timeless piece of motorcycle history.
  • Efficient Fuel Consumption: With a remarkable fuel efficiency of 52.27 mpg, the R11 is economical for its time, allowing for longer rides without frequent refueling.
  • Smooth Power Delivery: The reliable three-speed gearbox and shaft drive provide a comfortable and seamless riding experience, ideal for both city and country rides.

Cons

  • Limited Power Output: At just 18 horsepower, the R11 may feel underpowered compared to modern motorcycles, which could limit its appeal for performance enthusiasts.
  • Rigid Rear Suspension: The rigid rear suspension, while historically accurate, may not offer the same level of ride comfort as modern suspension systems, especially on bumpy roads.
  • Kickstarter Only: The reliance on a kickstarter may be less convenient for some riders accustomed to electric starters, potentially deterring novice enthusiasts.

Technical details

Source specification data

Make
BMW
Model
R11 Series 3
Category
Allround
Starter
Kick
Carrying Capacity
210kg
Power
18.00 HP (13.1 kW)) @ 3400 RPM
Clutch
Two plates-dry
Gearbox
3-speed
Ignition
Magneto
Top Speed
100.0 km/h (62.1 mph)
Fuel System
Carburettor. Single SUM CK 3/500 F 1
Bore X Stroke
78.0 x 78.0 mm (3.1 x 3.1 inches)
Compression
5.5:1
Displacement
745.00 ccm (45.46 cubic inches)
Cooling System
Air
Engine Details
Two cylinder boxer, four-stroke
Fuel Consumption
4.50 litres/100 km (22.2 km/l or 52.27 mpg)
Greenhouse Gases
O2
g/km. (
O2
-
Carbon
dioxide emission)
Lubrication System
Forced feed
Transmission Type Final Drive
Shaft drive (cardan)
Fuel Capacity
14.00 litres (3.70 gallons)
Overall Width
890 mm (35.0 inches)
Overall Height
940 mm (37.0 inches)
Overall Length
2,100 mm (82.7 inches)
Weight Incl Oil Gas Etc
162.0 kg (357.1 pounds)
Rear Tyre
3.50-26.00
Frame Type
Steel-double cradlel
Front Tyre
3.50-26.00
Front Brakes
Expanding brake (drum brake)
Rear Suspension
Rigid
Front Suspension
Plate springe
Rear Brakes Diameter
55 mm (2.2 inches)
Front Brakes Diameter
200 mm (7.9 inches)