BMW R 51/3 Classic Bikes for Sale
The BMW R 51/3 stands out with its 500 cc boxer engine, striking double-loop frame, and classic post-war design. Launched in February 1951, it represents both technical progress and the craftsmanship of the early 1950s, making it a fascinating machine for demanding motorcycle enthusiasts.
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1954 | BMW R 51/3
BMW R51/3 500cc 30 km since restoration by Marque specialist, matching Numbers, original Dutch, Excellent condition!
1953 | BMW R 51/3
BMW R51/3 500cc Matching Numbers, original Dutch delivered, restored by Marque specialist!
BMW R 51/3 listing references from Classic Trader
Below you will find listings related to your search that are no longer available on Classic Trader. Use this information to gain insight into availability, value trends, and current pricing for a "BMW R 51/3" to make a more informed purchasing decision.
1953 | BMW R 51/3
1952 | BMW R 51/3
1952 BMW R 51/3
1955 | BMW R 51/3
1955 BMW R51 mit Beiwagen
1954 | BMW R 51/3
1954 BMW R51/3 494cc
1953 | BMW R 51/3
1951 | BMW R 51/3
BMW R51/3
1952 | BMW R 51/3
BMW R 51/3 Classic Motorbikes: Prices & Market Values
The market value of BMW R 51/3 motorcycles is primarily determined by technical condition, originality, and mileage, as well as rarity, history, and documentation. A well-maintained, largely original vehicle with low, verifiable mileage and a complete history including expert reports and documentation generally achieves significantly higher prices than a comparable vehicle with deferred maintenance, extensive modifications, or an unclear provenance.
BMW R 51/3: Market Prices & Value Trends
Based on Classic Trader marketplace sales data from June 2023 to January 2026, the BMW R 51/3 (typically 1952–1955, 24 hp) shows a broadly stable to slightly firmer market, with most prices clustering in the high teens rather than trending sharply up or down. Recent European entries (including Germany, the Netherlands, France, Italy, Austria and Ireland) indicate that well-presented, road-ready examples commonly change hands at around £14,000 to £20,000, while higher-priced adverts near £27,500 appear to reflect particularly strong condition, restoration quality or provenance rather than a new market baseline. At the value end, a ~£10,000 result suggests projects or less complete bikes still exist, but they are not the norm in this dataset. For today’s buyers, this points to a mature classic BMW single market where originality, correct parts and documented work carry the premium; for sellers, strong presentation and history remain the clearest route to top-of-range money.
History of the BMW R 51/3
The BMW R 51/3 embodies the technical revival of BMW motorcycles after World War II. Introduced in 1951 as a direct successor to the R51/2, the R 51/3 was a significant step forward thanks to its modernized engineering. The predecessor, the R51/2, was still closely linked to pre-war designs, but the R 51/3 introduced numerous updates while retaining the hallmark flat-twin boxer. After BMW resumed motorcycle production, the R 51/3 played a crucial role in re-establishing the brand's reputation for quality, reliability, and unmistakable riding characteristics.
Model History
The R 51/3 is part of a line that began with the R5 in 1936, followed by the R51 in 1938—BMW's first model with a telescopic fork and plunger rear suspension. After World War II, BMW returned with the R51/2 in 1950, which still relied on pre-war engineering. The R 51/3, introduced in 1951, modernised this legacy with a revised camshaft drive and an alternator mounted on the crankshaft, setting a new technical benchmark for 500 cc BMW motorcycles. This series also includes the more powerful R67 600 cc models and the sport-focused R68.
Highlights and Special Features
With its robust 500 cc two-cylinder boxer engine delivering around 24 hp, the R 51/3 offers both balanced handling and stability thanks to its distinctive engine configuration. The sophisticated double-loop frame and the combination of telescopic front fork with a dual-shock swingarm rear suspension reflected innovative design standards of the early 1950s. Drum brakes front and back ensured reliable deceleration, while the refined build quality and precise detailing underlined the premium status of this BMW. Multiple colour variations and elegant finishing details marked the R 51/3 as a true classic of its era.
Technical Data
Special Editions and Collectible Models
There are no officially documented factory special editions of the R 51/3, but well-preserved examples, original paintwork, rare colour schemes or early production numbers are highly sought after among collectors.
Engine, Performance, Transmission and Handling
The R 51/3’s 500 cc boxer produces roughly 24 hp, offering smooth, linear power delivery due to its single camshaft drive and efficient engine layout. Its road compliance is enhanced by the combination of double-loop frame and advanced suspension. The bike exhibits stable handling at high speeds and nimble response under urban or touring conditions. Drum brakes require a firm hand but are consistent when properly maintained. Notable models within this family include the R67 and R68, which share a similar chassis but offer different engine capacities and purposes—the R68 being more performance-oriented.
Interior, Comfort, Exterior and Design
The design of the BMW R 51/3 is marked by clean, proportional lines reflecting the understated 1950s aesthetic. Typical for the period is the black paintwork paired with hand-applied white pinstriping. The use of high-grade steel and quality finishes ensured longevity. The dashboard is simple yet functional, while the suspension and twin-saddle layout provide both comfort and classic look. A range of factory accessories, such as period-correct panniers or handlebar options, add a personal touch to surviving examples.
Other Relevant Features
The R 51/3 was instrumental in cementing BMW's reputation for engineering excellence during the 1950s. Its exposed drive shaft, precise mechanical details, and variety of original accessories highlight the brand’s focus on practical as well as aesthetic values.
Summary
The BMW R 51/3, produced from 1951, stands as a benchmark for post-war motorcycle engineering and design. With its robust 500 cc boxer engine, advanced suspension setup, and timeless aesthetics, the R 51/3 is central to the history of BMW motorcycles and remains a prominent choice among classic bike connoisseurs.