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Service bulletins for the 2017 BMW 440i

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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
B1209162018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. N20 - The Service Engine Soon Light is On with DME Fault 118602 Stored. The Service Engine Soon light is on (MIL) with only the following oxygen sensor fault stored. 118602 - Oxygen sensor before catalytic converter, fine mixture control: exhaust gas after catalytic converter too lean CAUSE An actual engine related problem and/or DME software diagnostic
B1116152018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. N20 and N26 engine: Smoke from Exhaust when Starting a Cold Engine. When starting a cold engine, blue smoke can be seen emitting from the exhaust tailpipe for approximately 10-20 seconds. No turbo charger boost faults are stored and no drivability issues can be detected. CAUSE When the vehicle is parked overnight the engine oil pressure will equalize and may leak past the turbo charger exhaust side turbine seal.
B1233142018-12-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; POWER TRAIN. This Service Information bulletin supersedes SI 12 33 14 dated December 2015. SUBJECT Fault Code 1D2008 Stored in DME. The Service Engine Soon light is on. Fault Code 1D2008: Map thermostat: jammed open is stored in the DME. There may also be a complaint of low heat output with lower outside temperatures. CAUSE During the engine warm-up, the engine coolant does not reach operating temperature within the DME's allowable time limits. This is caused by either a faulty thermostat inside the transmission oil heat exchanger or a faulty engine characteristic map thermostat.
B1116152018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. February 2016 Engine Technical Service This Service Information Bulletin supersedes SI B11 16 15 dated September 2015 SUBJECT N20 and N26 engine: Smoke from Exhaust when Starting a Cold Engine. When starting a cold engine, blue smoke can be seen emitting from the exhaust tailpipe for approximately 10-20 seconds. No turbo charger boost faults are stored and no drivability issues can be detected. CAUSE When the vehicle is parked overnight the engine oil pressure will equalize and may leak past the turbo charger exhaust side turbine seal.
B1110152018-12-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. ?Service Action: Replace the Thermostat. Please perform the procedure outlined in this Service Information on all affected vehicles before customer delivery. In the event the customer has already taken delivery of the vehicle, please perform the procedure the next time the vehicle is in the shop. This Service Information bulletin supersedes SI B11 10 15 dated January 2016.
B1110152018-12-10. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. The Service Engine Soon light is on with corresponding fault codes in the DME for the engine thermostat.
B1207182018-11-26. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. DME FC 1C0102 IS STORED WITH NO OTHER RELATED FAULTS. The following fault has been stored in the Digital Motor electronics (DME) fault memory with no other engine oil pressure faults stored: ??1C0102 - oil pressure control, plausibility, static: Pressure too low This fault will not cause a customer complaint or a Check Control Message (CCM). The fault is typically identified during unrelated diagnostics. Software error in the Digital Motor Electronics (DME) may cause the fault code to be erroneously stored. Only Integration level 17-11-5xx and higher are affected.
B1209162018-11-13. Service bulletin. ENGINE AND ENGINE COOLING. N20 - The Service Engine Soon Light is On with DME Fault 118602 Stored. The Service Engine Soon light is on (MIL) with only the following oxygen sensor fault stored. 118602 - Oxygen sensor before catalytic converter, fine mixture control: exhaust gas after catalytic converter too lean CAUSE An actual engine related problem and/or DME software diagnostic.
B5116152018-11-05. Service bulletin. EQUIPMENT:OTHER:LABELS; ENGINE. "Delivery Stop: Remove Engine Oil Label. Affected vehicles in dealer inventory must not be retailed or delivered until the label is removed. Vehicles at ports of entry will be remedied prior to dealer delivery. On affected vehicles, there is an incorrect label regarding the appropriate engine oil. Affected vehicles can be identified with a ""Vehicle Comment"" in the DCS Warranty Vehicle Inquiry or ISPA Light. https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/248...9/3/2016 Page 2 of 2"
B1225162018-11-05. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. "B58 -M POWER AND SOUND KIT, MALFUNCTION LIGHT ILLUMINATED. Check engine light illuminated. Check Control Message: ""Drive faulty"". Engine power reduced and set in ""Emergency Program"". Fault code stored in DME control unit: o 1F0541 - Drive, safety function: Bus signal about engine torque implausible. Fault Code stored in EGS control unit: o CF2C11 - DME/DDE interface: (Actual DME/EGS crankshaft torque, 0xA5, actual crankshaft torque, 0xA5) signal invalid. Affected are vehicles with the following Integration Levels: F020-16-07-5xx F020-16-11-500 F020-16-11-501 DME control unit software error."
B1115162018-11-05. Service bulletin. ENGINE AND ENGINE COOLING. B58 ENGINE: OIL LEAK FROM TURBOCHARGER. Engine oil (1) can be seen leaking from the bottom of the turbocharger near the band clamp (2). The turbocharger band clamp is loose.
B1228162018-11-05. Service bulletin. ENGINE. "DME Electrical Wastegate Valve Faults - Adaptation Limit Positions Not Detected. Engine runs with reduced power. Emissions warning lamp lights up. One or more of the following faults are entered in the DME fault memory. 123411 ""Electrical wastegate valve, limit position teach in: End stop (wastegate valve open) not found 123412 - Electrical wastegate valve, limit position teach in: End stop (wastegate valve open) not found Other consequential faults that also may be stored: 123401 - Electrical wastegate valve, adaptation: Cold start not learned 123437 - Electrical wastegate valve: Jammed closed Problems with electromagnetic compatibility (EMC). The PWM actuation (PWM = pulse-width-modulated) of the heat management module causes a fault condition on the 5V supply line of the electrical wastegate valve controller. This leads to a fault on the position sensor signal of the electrical wastegate valve controller."
B1225162018-11-05. Service bulletin. ENGINE. "B58 -M POWER AND SOUND KIT, MALFUNCTION LIGHT ILLUMINATED. Check engine light illuminated. Check Control Message: "Drive faulty". Engine power reduced and set in "Emergency Program". Fault code stored in DME control unit: o 1F0541 - Drive, safety function: Bus signal about engine torque implausible. Fault Code stored in EGS control unit: o CF2C11 - DME/DDE interface: (Actual DME/EGS crankshaft torque, 0xA5, actual crankshaft torque, 0xA5) signal invalid. Affected are vehicles with the following Integration Levels: F020-16-07-5xx F020-16-11-500 F020-16-11-501 DME control unit software error."
B1122162018-11-05. Service bulletin. ENGINE AND ENGINE COOLING. ?"ENGINE OIL PRESSURE" ON LOW MILEAGE CARS. Check Control Message (CCM-212) states: "Engine Oil Pressure. Stop Carefully" The following codes may be stored in the DME fault memory" 1C2002 - Engine oil pump, pressure too low 1FB801 - CCM (ID212) - Oil pressure Also, the vehicle's mileage is very low (below 60 miles), the fault frequency shows only "one" occurrence; faults are not currently present and cannot be reproduced. CAUSE Unfavorable DME software application."
B1303152018-11-05. Service bulletin. ENGINE AND ENGINE COOLING. N20, N26, N55, N63TU, S63TU and S55 Engines: Bosch Injector ETK Part Number Error What's New: ? Procedure change: indentifying injector type using an ISTA test plan. . The current version of the ETK incorporates multiple part number errors for the Bosch type injectors. Ordering the injectors by VIN number or manual identification in ETK may result in an incorrect part number.
B1110152018-11-05. Service bulletin. ENGINE AND ENGINE COOLING. ?Service Action: Replace the Thermostat What's New: ? Part number and quantity of coolant has been updated. Refer to the Warranty section for details. . The Service Engine Soon light is on with corresponding fault codes in the DME for the engine thermostat.
B1204182018-10-09. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. BUZZING NOISE FROM VALVETRONIC MOTOR BEFORE OR AFTER ENGINE OPERATION: Buzzing noise may be heard from the Valvetronic motor when the vehicle is unlocked, before the engine is started, or after the engine is turned off.
B1203182018-07-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. NO AUDIBLE DIFFERENCE IN EXHAUST WITH "M PERFORMANCE POWER AND SOUND KIT
B1202182018-07-16. Service bulletin. ENGINE AND ENGINE COOLING. F2X F3X -THE ENGINE STARTS THEN SWITCHES OFF IMMEDIATELY: After starting the engine and immediately selecting a drive gear, the engine may switch off.
B1207182018-05-21. Service bulletin. ENGINE. DME FC 1C0102 IS STORED WITH NO OTHER RELATED FAULTS: The following fault has been stored in the Digital Motor electronics (DME) fault memory with no other engine oil pressure faults stored.
B1801182018-05-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. DIAGNOSING NOISE FROM THE REAR EXHAUST FLAP (B58): There is a rattling noise from the rear exhaust flap during initial start-up.

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