{"nhtsa_id":10055100,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-04-09","date":"2014-01-29","document_id":"US-57005523-01","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"BMW MC: ON SOME MOTORCYCLES, BY A FEW DEGREES, THE ENTIRE REAR SAF SPRING STRUT CAN BE TWISTED, DUE TO UNIBALL BEARINGS FOR UPPER AND LOWER SPRING STRUT CONNECTIONS HAVE OPTIMISE AS PART OF MODEL REVISION. MODEL E SERIES (K50, K51). *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10055100","components":[],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"BMW MOTORCYCLE","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}