![Time Traveler: 1939 BMW R51 - Motorcycle Classics | Exciting and evocative articles and photographs of the most brilliant, unusual and popular motorcycles ever made! Time Traveler: 1939 BMW R51 - Motorcycle Classics | Exciting and evocative articles and photographs of the most brilliant, unusual and popular motorcycles ever made!](https://ogden_images.s3.amazonaws.com/www.motorcycleclassics.com/images/2018/02/11094325/rsz_bmw-10-jpg.jpg)
Time Traveler: 1939 BMW R51 - Motorcycle Classics | Exciting and evocative articles and photographs of the most brilliant, unusual and popular motorcycles ever made!
![Time Traveler: 1939 BMW R51 - Motorcycle Classics | Exciting and evocative articles and photographs of the most brilliant, unusual and popular motorcycles ever made! Time Traveler: 1939 BMW R51 - Motorcycle Classics | Exciting and evocative articles and photographs of the most brilliant, unusual and popular motorcycles ever made!](https://ogden_images.s3.amazonaws.com/www.motorcycleclassics.com/images/2018/02/11094328/BMW-11-jpg.jpg)
Time Traveler: 1939 BMW R51 - Motorcycle Classics | Exciting and evocative articles and photographs of the most brilliant, unusual and popular motorcycles ever made!
![Time Traveler: 1939 BMW R51 - Motorcycle Classics | Exciting and evocative articles and photographs of the most brilliant, unusual and popular motorcycles ever made! Time Traveler: 1939 BMW R51 - Motorcycle Classics | Exciting and evocative articles and photographs of the most brilliant, unusual and popular motorcycles ever made!](https://ogden_images.s3.amazonaws.com/www.motorcycleclassics.com/images/2018/02/11094307/BMW-1-jpg.jpg)
Time Traveler: 1939 BMW R51 - Motorcycle Classics | Exciting and evocative articles and photographs of the most brilliant, unusual and popular motorcycles ever made!
![1939 BMW R12 with Sidecar for sale on BaT Auctions - sold for $20,001 on August 13, 2019 (Lot #21,870) | Bring a Trailer 1939 BMW R12 with Sidecar for sale on BaT Auctions - sold for $20,001 on August 13, 2019 (Lot #21,870) | Bring a Trailer](https://bringatrailer.com/wp-content/uploads/2019/07/1939_bmw_r12_15624385608764daIMG_4501-e1564604633784.jpg?fit=1740%2C1162)