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Service bulletins for the 2024 BMW 330i

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.

68 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
B1211262026-09-28. Service bulletin. ENGINE. Potential customer complaints with no fault codes stored / No MIL displayed. 1. “Rough idle after idling for a longer period of time” 2. “Vehicle feels like it is misfiring at idle” The automatic Start/Stop function is deactivated. The vehicle is stopped and the engine runs at idle speed. After prolonged idle operation (approximately 30 to 50 seconds), a slight jolt or slight change in idlespeed may be noticeable. There are no relevant errors in the DME fault code memory. No mixture control error, no misfiring, no error relating to a relevant component of the drive system. Motor vehicles affected: 1. Only MHEVs (mild hybrid electric vehicle) with crankshaft-driven starter generator. 2. Only vehicles with optional equipment 01CE = recuperation system 3. Affected I-levels: I-level 24-07-500 or higher
B0103242026-05-18. Warranty extension. ENGINE. The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.
B0613262026-02-25. Other. ENGINE. Auxiliary Water Pump Return
B1205252025-05-31. Service campaign. ELECTRICAL SYSTEM; ENGINE. Moisture may enter the start generator supply line and cause corrosion inside the line.
B1206242025-02-03. Service campaign. ENGINE. BMW AG has decided on a service campaign for certain vehicles from the G0x, G12 and G20 series. Please have the starter motor checked and, if necessary, replaced in the vehicles concerned (according to the vehicle identification number selection) if possible before vehicle delivery. If vehicles have already been delivered, please have the measure carried out the next time the vehicles enter the workshop. A bolting fault on the long bolt screws can cause the magnets in the starter motor to twist. As a result, the power of the starter motor decreases. As a result, the engine does not start.
B0683242024-12-03. Other. ENGINE. Wastegate Valve Actuator Return
B1104242024-10-19. Service bulletin. ENGINE. One of the following faults are stored in the DME: 123432 - Electrical wastegate valve, adaptation: Limit position shut, implausible 123433 - Electrical wastegate valve, adaptation: adjustment range implausible 123511 - Electrical wastegate valve: stiff movement
B1206242024-09-01. Service campaign. ENGINE. Please have the starter motor checked and, if necessary, replaced in the vehicles concerned (according tothe vehicle identification number selection) if possible before vehicle delivery. If vehicles have already been delivered, please have the measure carried out the next time the vehiclesenter the workshop. A bolting fault on the long bolt screws can cause the magnets in the starter motor to twist. As a result, thepower of the starter motor decreases. As a result, the engine does not start.
B0650242024-08-02. Other. ENGINE. Catalytic Return
B5112192024-08-02. Service bulletin. ENGINE. A check control message or MIL (Malfunction Indicator Lamp) may be illuminated, with one or more of thefollowing faults stored: 138207 - Active cooling damper control (AKKS), top: blockage at warm ambient temperature 21B043 - Active cooling damper control (AKKS), top: blockage at all ambient temperatures 138222 - Active cooling damper control (AKKS), above: positional deviation error detected at warm ambienttemperature 138209 - Active cooling damper control (AKKS), top: Control deviation at all ambient temperatures 13822B - Active cooling damper control (AKKS), top: Control deviation at all ambient temperatures 21B042 - Active cooling damper control (AKKS), below: blockage at all ambient temperatures 138206 - Active cooling damper control (AKKS), bottom, blockage at warm ambient temperature 138225- Active air-flap control, bottom: top limit position not detected 138224- Active air-flap control, bottom: bottom limit position not detected
B1801242024-07-25. Service campaign. ENGINE. DELIVERY STOP: CATALYTIC CONVERTER
B0645242024-07-03. Other. ENGINE. Water Pump Return
B1207212024-04-01. Service bulletin. ENGINE AND ENGINE COOLING. Check Control message (CCM) indicates: (ID 213): Stop, exercising due care. Voltage supply The Service Engine Soon light is on with the following DME Fault Code: 21B209 - Starter alternator / belt for 48V system (OSA_RIEMEN_RISS): Belt betweenCombustion engine and starter generator torn And/or one or more of the following other issues are also occurring: Noise in the area of the belt drive. Odor from the engine compartment. Smoke formation in the area of the belt drive. Drive belt damaged or prematurely worn. Torn drive belt.
B1207212023-12-06. Service bulletin. ENGINE AND ENGINE COOLING. Check Control message (CCM) indicates: (ID 213): Stop, exercising due care. Voltage supply The Service Engine Soon light is on with the following DME Fault Code: 21B209 - Starter alternator / belt for 48V system (OSA_RIEMEN_RISS): Belt betweenCombustion engine and starter generator torn And/or one or more of the following other issues are also occurring: Noise in the area of the belt drive. Odor from the engine compartment. Smoke formation in the area of the belt drive. Drive belt damaged or prematurely worn. Torn drive belt.

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