1928 BMW 494cc R42 Frame no. 16492 Engine no. 43668
Lot 207
1928 BMW 494cc R42 Frame no. 16492 Engine no. 43668
Sold for €34,500 (US$ 42,155) inc. premium

Lot Details
1928 BMW 494cc R42 Frame no. 16492 Engine no. 43668 1928 BMW 494cc R42 Frame no. 16492 Engine no. 43668 1928 BMW 494cc R42 Frame no. 16492 Engine no. 43668 1928 BMW 494cc R42 Frame no. 16492 Engine no. 43668
1928 BMW 494cc R42
Frame no. 16492
Engine no. 43668
Following the collapse of its aero engine business after WWI, BMW turned to other areas of manufacture, motorcycles among them. Before long BMW updated its original R32 tourer, which in 1926 became the R42, gaining a redesigned and more powerful engine that was set further back in the duplex loop frame, which improved weight distribution and enabled straight front down-tubes to be used. The braking too came in for attention: the old block-and-pulley type rear brake being replaced by a drum on the driveshaft gripped by external contracting bands. R42 production lasted for just two years and today this rare BMW is among the marque's most desirable and sought after machines of the Vintage period. The BMW Museum has confirmed that this R42's frame number identifies it as one built in June 1928 and supplied to the German dealership Fendler & Lüdemann in Hamburg, while the engine formed part of an R42 delivered new in September 1927 to the dealer 'Chr. Gosch' in Gravenhage, Netherlands. The current vendor purchased the machine in 1987. We are advised that it was in reasonable condition at that time although in need of some restoration. Harrij Muijen, restorer of some of the motorcycles in the Willy Neutkens Collection, auctioned by Bonhams in 2009 at the BMW Museum in Munich, was entrusted with the task, which was completed in 1996. Since completion the R42 has been kept on display in the vendor's home and not ridden, as he considered it too beautiful to use. Nevertheless, he advises us that it runs beautifully.

1928 BMW 494 cm3 R42
Cadre n° 16492
Moteur n° 43668

Conséquence de l' interdiction de construire des moteurs aéronautiques après 1918, BMW orienta ses activités vers d'autres secteurs mécaniques, dont les motocyclettes. Très vite, BMW modernisa sa R32 de tourisme originale, qui devint la R42 en 1926 en recevant un moteur modifié et plus puissant monté plus en arrière dans le cadre duplex afin d'améliorer la répartition des masses et d'utiliser des tubes avant rectilignes. Le freinage fut aussi revu, l'ancien frein arrière à patin et poulie étant remplacé par un tambour sur l'arbre de transmission serré par un collier extérieur. La production de la R42 ne dura que deux ans et, de nos jours, cette rare BMW fait partie des types « vintage » de la marque les plus désirables et les plus recherchés. Le Musée BMW a confirmé que le numéro de cadre de cette R42 l'identifie comme une machine construite en juin 1928 et livrée à leur agent Fendler & Lüdemann à Hambourg, tandis que le moteur appartenait à une R42 livrée neuve en septembre 1927 au concessionnaire « Chr. Gosch » à Gravenhage aux Pays-Bas. L'actuel vendeur acheta la machine en 1987. Nous savons qu'elle était en état moyen à cette date, mais qu'elle nécessitait une restauration. Harrij Muijen, restaurateur de quelques motos de la Collection Willy Neutkens vendues aux enchères par Bonhams au Musée BMW à Munich l'an passé, a été chargé de cette restauration achevée en 1996. Depuis sa réfection, la R42 est restée exposée au domicile du vendeur sans être utilisée car il la jugeait trop belle, mais il en garantit néanmoins le parfait fonctionnement.
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