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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.

Warranty extensions
B0120162026-05-18. ELECTRICAL SYSTEM. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 186,000 miles as determined from the original first in-service / delivery date.
B0120162025-03-21. ELECTRICAL SYSTEM. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 186,000 miles as determined from the original first in-service / delivery date.
B0120162025-02-24. ELECTRICAL SYSTEM. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 240,000 miles as determined from the original first in-service / delivery date.

A warranty extension may pay for a repair after the basic warranty has ended. Read the document for which vehicles and which repair it covers.

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By component

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Bulletins, newest first
B6110252026-09-28. Service bulletin. ELECTRICAL SYSTEM. While performing a 12-Volt battery jump start, disconnect, or replacement, Vehicle test, and/or Programmingprocedure- the BMW Footwell Module (FRM) may become unresponsive. As a result, one or more of the following vehicle electric system-related issues may occur: Headlights including the high beams, and/or taillights are not turning on or off Interior lights are not turning on Turn indicators are not working Instrument cluster indicator lights stay on The IHKA climate control system is not working Power windows are not working Folding mirrors are not working, and/or a Functional remote-control key FOB will not unlock and lock the doors
B0120162026-05-18. Warranty extension. ELECTRICAL SYSTEM. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 186,000 miles as determined from the original first in-service / delivery date.
B6110262026-04-27. Service bulletin. ELECTRICAL SYSTEM. While performing a 12-Volt battery jump start, disconnect, or replacement, Vehicle test, and/or Programming procedure- the BMW Footwell Module (FRM) may become unresponsive. As a result, one or more of the following vehicle electric system-related issues may occur: Headlights including the high beams, and/or taillights are not turning on or off Interior lights are not turning on Turn indicators are not working Instrument cluster indicator lights stay on The IHKA climate control system is not working Power windows are not working Folding mirrors are not working, and/or a Functional remote-control key FOB will not unlock and lock the doors
B0120162025-03-21. Warranty extension. ELECTRICAL SYSTEM. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 186,000 miles as determined from the original first in-service / delivery date.
B0120162025-02-24. Warranty extension. ELECTRICAL SYSTEM. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 240,000 miles as determined from the original first in-service / delivery date.
B5108192024-02-01. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. The basic conditions for initializing the power windows are not met.
B6113052024-02-01. Service bulletin. ELECTRICAL SYSTEM. The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints.
B6624192022-10-31. Service bulletin. EQUIPMENT:ELECTRICAL. Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column.
SIM0107172022-07-05. Service bulletin. ENGINE AND ENGINE COOLING. The engine?s intake charge-air duct limited warranty extension to 10 years/120,000 miles applies to ?eligible USspecification
B8401212021-08-23. Service bulletin. EQUIPMENT:ELECTRICAL. TELEMATICS UNIT DEACTIVATION DUE TO 3G CELLULAR TECHNOLOGY DISCONTINUATION: The discontinuation of 3G cellular communication for Combox, TCB 3G and ATM 3G (Telematics ControlModule) can no longer be supported by the cellular network provider starting February 2022.
B0402212021-08-09. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY. Distribution of the following tool will be through the Automatic Tool Shipment Program
B0113212021-07-19. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. CLASS ACTION SETTLEMENT: N54/N54T/N55 ELECTRIC ENGINE COOLANT PUMP . With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered a nationwide settlement with the plaintiffs in the following class action: Oliver, et al v. BMW NA, et al
B0113212021-07-06. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. CLASS ACTION SETTLEMENT: N54/N54T/N55 ELECTRIC ENGINE COOLANT PUMP . With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered a nationwide settlement with the plaintiffs in the following class action: Oliver, et al v. BMW NA, et al
B6522142020-04-20. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). AUTOMATED ACTIVATION OF NAVIGATION SYSTEM DURING PDI/QC1: This Service Information Bulletin (Revision 2) replaces SI B65 22 14 dated October 2015. The INITIAL NAV enabling code no longer needs to be pre-ordered through the Parts department! When the vehicle is connected to the diagnostic system ISTA to perform PDI/QC1 the step to activate the navigation system (part of Delete Transport Mode) will automatically request the INITIAL NAV enabling code (VIN-specific) without pre-ordering the enabling code. This enabling code will be automatically delivered through ISTA and it then activates the navigation system.
6515122019-07-12. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Service Action: CIC - Install Navigation Road Map Database 2013. Before delivering affected vehicles to the customer, the Car Information Computer (CIC) road map database 2013 must be installed onto the CIC internal Hard Disc Drive (HDD).
1220112019-07-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. N54, N54T - Catalytic Converter Conversion Faults Stored. The Service Engine Soon (MIL) lamp could come on with one or both of the following faults stored in the DME: * 29F4: catalytic converter conversion - bank 1 * 29F5: catalytic converter conversion - bank 2 DME software diagnostic error.
1212102019-07-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING. "Engine Idle Speed Dips Too Low While Braking at Lower Vehicle Speeds. The engine speed may drop too low when slowing to a stop, braking at low road speeds, or while parking the car. This occurs intermittently, but can be more apparent when the automatic transmission selector lever is in the ""Sport mode"" position. Unfavorable DME software application"
5136082019-07-10. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; ELECTRICAL SYSTEM. "Outside Door Mirror Moves when Locking or Unlocking the Vehicle. The door mirror tilts immediately after unlocking or locking. The mirror position does not correspond to the memory position preset by the customer. Pressing the seat memory button typically will return the mirror to the stored position. Poor electrical contacts of the mirror drive in the mirror housing INFORMATION The problem has been integrated into ISTA diagnostics. Follow the diagnosis test plan using the latest ISTA version. In Information Search, select the "Function Structure"" tab. Select Body, Mirror, Door mirror, Driver's or passenger side, Exterior Mirror Malfunction, and then press "Start Search". Select test plan ""AM5102_00010".
B1114172019-03-18. Service bulletin. ENGINE. N20 AND N26 ENGINES TURBOCHARGER ELECTRIC WASTEGATE ACTUATOR LINKAGE PIN CORROSION This Service Information bulletin replaces SI B11 14 17 dated February 2018.
1215132018-12-17. Service bulletin. ENGINE AND ENGINE COOLING. N20 and N26 Engine: Various VANOS System Faults Stored in DME. The Service Engine Soon lamp and Engine Malfunction warning are illuminated, and the vehicle has reduced power output. Various faults related to VANOS operation are stored in the DME. While performing the test plan, the results may appear to be inconclusive because the fault will not clear from DME fault memory. CAUSE This is due to a programming error associated with ISTA/P 2.49 and lower. The error is corrected with ISTA/P 2.50.2 or higher.
B6508152018-12-17. Service bulletin. ELECTRICAL SYSTEM. "Google(tm) Local Search Inactive. When searching for a Point of Interest (POI) in the navigation menu, the ""Google(tm) Local Search"" option cannot be selected. The POI search option ""Google(tm)Local Search"" is not activated."
B6203152018-12-17. Service bulletin. ELECTRICAL SYSTEM. Door Open Message Displayed, Even Though Door Is Closed. The customer complains that while driving, a CCM (check control message) indicates the doors are open, even though they are closed. Also, sometimes the gong will sound and the interior lights will go on and off. Unspecified FRM door lock status due to voltage variations
B1303152018-12-17. Service bulletin. FUEL SYSTEM, GASOLINE. "N20 and N26 Engines: ETK Injector Part Number Error. INFORMATION The current version of ETK has an error on screen 13_1417: ""High -pressure pump/Tubing."" When selecting the high-pressure pump, the screen states ""only in conjunction with injector."" Disregard this statement and only replace the high-pressure pump. If injectors need to be replaced, enter the VIN of the vehicle into the ETK and select the part numbers found on screen 13_1416: ""High-pressure rail/injector/mounting."" Always enter the VIN for the vehicle into ETK when searching for parts. When the ETK is corrected, this SIB will be updated. WARRANTY INFORMATION Not applicable. [ Copyright (c)2015 BMW of North America, Inc. ] https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/224...5/4/2015"
B1113152018-12-10. Service bulletin. ENGINE. The plastic oil filter housing may fail and lead to an internal and/or external engine oil or coolant leak.
B8403142018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. Bluetooth Connection Failures. There are various connectivity failures with the following devices: Apple iPhones Samsung S6 and the S6 Edge. Connectivity failure examples are: Call disconnection - Call is transferred back to the handset. In some instances the call is then transferred back to the vehicle. Contact List incomplete General connection failures Apple iOS software (issue started with iOS 8.3 continues with iOS 9.x and its variants) Samsung S6 and S6 Edge device firmware.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.