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Service bulletins for the 2013 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.

145 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.

By type

By component

By trouble code

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.
SIM0109172022-07-05. Service bulletin. EQUIPMENT. Shipping specific non-deployed vehicle safety devices to lighting resources, llc. This service Information bulletin provides information on shipping "specific" noin-deployed vehicle safety devices that are classified as Dangerous Goods (DG) to Lighting resources, LLC
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
SIM0106172022-07-05. Service bulletin. SERVICE BRAKES. Visual Inspection of Brake discs/Rotors for new car deliveries
SIB0107172022-07-05. Service bulletin. ENGINE AND ENGINE COOLING. The engine coolant thermostat component-specific limited warranty extension to 10 years/120,000
B1102212021-12-13. Service bulletin. POWER TRAIN:DRIVELINE:CHAIN/BELT; EQUIPMENT:ELECTRICAL. With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered into a nationwide settlement with the plaintiffs in the following class action: Gelis, et al. v. Bayerische Motoren Werke Aktiengesellschaft and BMW of North America, LLC.
SIB1103172021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. BMW of North America, LLC BMW NA is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date
B1103172021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. For the above-referenced vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date.
B1103172021-11-08. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date
B1102212021-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered into a nationwide settlement with the plaintiffs in the following class action: Gelis, et al. v. Bayerische Motoren Werke Aktiengesellschaft and BMW of North America, LLC.
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
B5104152021-05-17. Service bulletin. VISIBILITY. The customer complains of rattling noises from the rear window when driving on rough roads.
B1703182021-05-17. Service bulletin. ELECTRICAL SYSTEM. Butt connector for repairing a plug connection. The ?top up coolant? message is displayed in the central display (CC message ID 166). When checking the cooling system there are no leaks found and the expansion tank is filled to the proper level.
B1602132021-05-17. Service bulletin. ENGINE. A manufacturing defect inside the electric fuel delivery unit (in-tank fuel pump) pressure-limiting valve will result in a noise while driving. This defect will not lead to fuel pump failure or loss of power.
B1103172021-02-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. N20 AND N26 ENGINE TIMING CHAIN AND OIL PUMP DRIVE CHAIN: Whining noise from the lower engine area near the engine oil pump that increases frequency when increasing the engine RPM. Wear on the engine oil pump chain drive and timing chain sprockets.

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