Amazon.com: BMW R/90-S Flat Twin Engine Model Kit with Collector's Manual : Toys & Games
BMW-Motorräder mit Boxer-Motoren: alle Modelle 1969-1989 // Reprint der 2. Auflage 1994: Korp, Dieter, Mai, Hans-Joachim: 9783613011298: Amazon.com: Books
Amazon.com: BMW Motorcycle Model
The BMW Boxer Twins 1970-1996 Bible - All air-cooled models 1970-1996 (Except R45, R65, G/S & GS), Falloon, Ian, eBook - Amazon.com
Amazon.com: BMW R/90-S Flat Twin Engine Model Kit with Collector's Manual : Toys & Games