Collection: SIEBENROCK
Siebenrock GmbH is a renowned German manufacturer based in Wendlingen, Germany, founded by Jochen Siebenrock in 1984. Specializing in parts and performance upgrades for classic BMW 2-valve boxer “airhead” motorcycles, Siebenrock is highly regarded among vintage BMW enthusiasts worldwide. Their lineup includes legendary performance kits like the “Power Kit” and “Big Bore Kit” that increase displacement, torque, and reliability, as well as classic reissues of discontinued components like riveted brake discs, seats, and the S-Cockpit fairing — all while eliminating original mechanical weak points. Over 80% of their specialized components are Made in Germany.
At Boxer Metal, our Siebenrock prices are 25–30% less expensive than the competition in the USA. We place orders weekly and typically receive parts within 7–10 days — if you don’t see what you need, just ask.
