Service bulletins for the 2011 BMW Z4
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.
133 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Equipment and accessories are shown. Show all
| B840214 | 2018-11-05. Service bulletin. EQUIPMENT. ConnectedDrive/BMW Assist System Diagnosis Information This Service Information bulletin replaces SI B84 02 14 dated July 2014 What's New: Model - Removed models which no longer support BMW Assist functionality and added new models. Procedure - Add step requesting print out of ConnectedDrive Service Cockpit page Information - Add SI for ConnectedDrive Service Cockpit; updated the hyperlinks and email address for CD support team; deleted scenario for old CDMA unit which are no longer supported. ConnectedDrive/BMW Assist features are partially or completely inoperative. This Service Information bulletin is being published because vehicles are down for an extended period of time when researching system failures with ConnectedDrive or BMW Assist. This Service Information bulletin will assist you both in identifying the issue and providing technical support. CAUSE Not enough information is available for BMW NA engineers to assist the technician in diagnosing the root cause. |
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| B840311 | 2018-11-05. Service bulletin. EQUIPMENT. "?Telematics Device Spares Replacement Part Activation via DCSnet for BMW Assist What's New: ? Model: All models added along with 6AC option code ? Situation: All information added ? Information: Deleted CDMA related information and added activation of Wi-Fi control unit ? Procedure: Added "Note" regarding ConnectedDrive support hotline information . A replacement telematics control unit must only be activated for vehicles with an active BMW Assist subscription. Note: 2G CDMA and 2G GSM telematics control units cannot be activated because they are no longer supported and the supporting network(s) have been decommissioned. INFORMATION The following changes have taken place: All Telematics control unit replacements must be activated by Part managers via the DCSnet application. New steps included in the procedure for activating Telematics control unit replacements for vehicles equipped with Wi-Fi Hotspot (6WD)." |
| B650709 | 2018-10-09. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). NAVIGATION SYSTEM: REPORTING MISSING OR INCORRECT ROAD MAP DATA: The route guidance is inaccurate and therefore irritating to the customer; or it is not possible to locate certain addresses, for instance: |
| B650709 | 2018-08-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). NAVIGATION SYSTEM: REPORTING MISSING OR INCORRECT ROAD MAP DATA: The route guidance is inaccurate and therefore irritating to the customer; or it is not possible to locate certain addresses, for instance: |
| B840314 | 2018-07-16. Service bulletin. EQUIPMENT:ELECTRICAL. Bluetooth Connection Failures: There are various connectivity failures with the following devices: Apple iPhones: Samsung S6 and the S6 Edge. |
| 11 13 15 | 2016-01-08. Service bulletin. EQUIPMENT. THE PLASTIC OIL FILTER MIGHT FAIL WHICH WILL CAUSE A LEAKAGE TO THE INTERNAL AND /OR EXTERNAL ENGINE OIL OR COOLANT |
| SIB-01-10-14 | 2015-05-20. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. BMW: THE CAMSHAFT (VANOS) ADJUSTMENT UNITS, ON CERTAIN VEHICLE, HAD THE LIMITED WARRANTY EXTENDED, WITHOUT THE LIMITATION OF MILEAGE, TO 10 YEARS. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.