BMW R4 Series 5 1936 - Specifications & Review

Introducing the 1936 BMW R4 Series 5, a classic motorcycle that embodies the spirit of pre-war German engineering and design. Positioned as a versatile all-rounder, the R4 Series 5 was crafted for both urban commuting and leisurely country rides, appealing to a wide range of motorcycling enthusiasts. Its combination of style, reliability, and innovative technology made it a standout in the mid-1930s marketplace, establishing BMW's reputation for quality and performance that endures to this day.

At the heart of the R4 is a robust 398cc single-cylinder, four-stroke engine that produces a respectable 14 horsepower at 4,000 RPM. This powerplant delivers a top speed of 95 km/h (59 mph), making it a capable choice for the roads of its time. Riders will appreciate the smooth torque delivery and the delightful rumble of the air-cooled engine, all while enjoying impressive fuel efficiency of just 3.50 litres per 100 km (67.21 mpg). The shaft drive system not only enhances reliability but also simplifies maintenance, allowing riders to focus more on the open road rather than the intricacies of their machine.

The R4 Series 5 features a pressed steel duplex frame that provides both strength and agility, complemented by its cartridge-type front suspension and rigid rear suspension. This design results in a ride that strikes a balance between comfort and handling precision. The motorcycle is equipped with 180mm drum brakes on both the front and rear, offering dependable stopping power for a machine of its era. With a fuel capacity of 12 litres (3.17 gallons), riders can venture further afield without the constant worry of refueling, making the R4 an excellent choice for weekend getaways.

PROs:

1. Excellent Fuel Efficiency: With a consumption of just 3.50 litres/100 km, the R4 Series 5 allows for extended rides without frequent stops for gas.
2. Reliable Shaft Drive: The cardan shaft system reduces maintenance needs and enhances the overall longevity of the drivetrain.
3. Classic Aesthetic: The vintage design and engineering reflect BMW's commitment to quality, making it a desirable model for collectors and enthusiasts alike.

CONs:

1. Limited Power Output: With only 14 HP, the R4 may struggle to keep pace with modern traffic on highways.
2. Rigid Rear Suspension: While it offers a classic ride feel, the lack of rear suspension travel can result in a harsher ride over rough surfaces.
3. Kick Start Only: The absence of an electric start may deter some riders who prefer more convenience in starting their motorcycles, especially in colder conditions.

The 1936 BMW R4 Series 5 is not just a motorcycle; it's a piece of history that offers a unique riding experience for enthusiasts looking to connect with the golden age of motorcycling.