{"nhtsa_id":10152655,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-01-07","date":"2018-11-01","document_id":"B090218","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"NEW ECU VALIDATION NEEDED AFTER REPLACING CERTAIN CONTROL MODULES. With introduction of the new Headunit HU-H3 (MGU Media Graphics Unit) we have a new way protection mechanism against tampering. If one or more of the following components MGU, TCB Telematic Communication Box (ATM-02), RSE Rear Seat Entertainment or KOMBISP18 instrument cluster needs to be replaced the secure connection between them must be re-established. In order to re-establish the connection, an electronic certificate must be created from the BMW backend and imported into the Vehicle. After the replacement of one of the mentioned Modules the Control Module needs a valid certificate in order to communicate with the other Modules.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10152655-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10152655-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10152655","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"8 SERIES","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"BMW","model":"X5","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_bmw_x5"]}],"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":[]}