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Service bulletins for the 2018 BMW X3

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.

389 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
B0109212026-08-03. Warranty extension. ENGINE. The NVLD limited emissionrelated warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
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.
B0115242024-12-31. Warranty extension. ENGINE. the NVLD limited emissionrelated warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
B0109212024-12-31. Warranty extension. ENGINE. The NVLD limited emission related warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
B0103242024-09-29. Warranty extension. ENGINE. For this vehicle, 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. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusion criteria that apply to the BMW New Vehicle Limited Warranty.
B0103242024-05-31. Warranty extension. ENGINE. EVAP SYSTEM PURGE (VENT) VALVE EXT LTD WTY (ELW) 15/150
B0105202024-02-01. Service bulletin. ENGINE AND ENGINE COOLING. The vehicle demonstrates a power loss and the malfunction indicator lamp (MIL) on. The following fault codes may be stored in the DDE: 24CE00 Hot film air mass meter: Ratio of measured to calculated air mass too high 27F000 Charge air hose monitoring in idle: Charge air hose fallen down 290900 Air system, air to EGR air mass flow plausibility: Measured air mass compared to calculated air mass too high 290A00 Air system, air to EGR air mass flow plausibility: measured air mass compared to calculated air mass too high and high charging pressure control deviation
B1701222024-02-01. Service bulletin. ENGINE AND ENGINE COOLING. The Check Control message below appears even though the coolant level is not below minimum when theengine is cold. Check Control message (ID 166): Top up coolant.
B0114232023-12-06. Service bulletin. ENGINE AND ENGINE COOLING. PRESSURE CONTROL VALVE (PCV) EXTENDED LTD WTY 15 YEARS/150,000 MILES
B0109192023-12-06. Service bulletin. ENGINE AND ENGINE COOLING. DIESEL FUEL INJECTORS: LTD WTY EXTENSION TO 10 YEARS/120,000 MILES
B0112192023-07-24. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. Radiator Grille Upper and Lower Active Air Flaps 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.
SIB1201232023-05-15. Service bulletin. ENGINE AND ENGINE COOLING. In hot ambient conditions, if the engine was running for a prolonged time while the vehicle is stationary, a jolt may be experienced while lightly accelerating.
B2604222023-05-01. Service bulletin. ENGINE AND ENGINE COOLING. There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32 F (0 C) or lower.
B2604222023-03-20. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32 F (0 C) or lower. The noise goes away as the vehicle/driveline reaches operating temperature.
B2604222023-01-30. Service bulletin. ENGINE AND ENGINE COOLING. There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32F (0C) or lower.
B1603222022-12-12. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. The Check Engine Light is on (MIL). After checking faults and diagnosis there is raw fuel found in the charcoal canister and the NVLD pressure switch (in R/R wheel well). Possible faults stored in the DME: 190F08 - Fuel tank venting system: Malfunction 191C02 - Fuel tank venting system,2. discharge point: Malfunction The vent line inside the fuel tank is disconnected.
SIB1701222022-07-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. The Check Control message below appears even though the coolant level is not below minimum when the engine is cold. Check Control message (ID 166): Top up coolant.
SIB0901212022-07-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE. BMW offers a new special ISTA Installation made available for Roadside Assistance / Mobile Service technicians. The new ISTA Version is also able to be used in case of a Remote Software Upgrade (RSU) programming failure to get the customer car reprogrammed on site. In case of a Remote Software Upgrade failure, the engine start is prevented for safety reasons until the vehicle is programmed correctly. Most of the errors occur when only one control unit fails to program correctly.
SIB6402222022-07-05. Service bulletin. ENGINE AND ENGINE COOLING. Mist formation on the windshield inside surface may occur at departure or after MSA (automaticstart/stop). Acoustic abnormality in the area of the recirculated air flap (recirculation flap closing and opening severaltimes). The above may occur individually or in combination.
B1701212022-06-21. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. The quick disconnect coupling on the cylinder head coolant vent line could break at the cylinder head. This would lead to loss of coolant from the engine.
B6401212022-05-31. Service bulletin. ENGINE; EQUIPMENT; VISIBILITY:SUN/MOON ROOF ASSEMBLY. A whistling noise is present from the fresh air inlet area (engine compartment bulkhead area), in the right front area of the vehicle, at speeds above 40 mph. The noise is loudest when the sunroof is in the vent position.
B2701222022-05-16. Service bulletin. ENGINE. BMW AG has issued a Delivery Stop (effective January 11, 2022) on a small number of Model Year 2022 BMW vehicles that were produced between December 23, 2021 and January 4, 2022. Do not deliver to a customer, a New, Certified Pre-Owned or Used vehicle subject to a Delivery Stop, until the vehicle is repaired. Do not use or sell replacement equipment/parts subject to a Delivery Stop. Due to a production failure, the control unit was assembled with a capacitor instead of a resistor.
B2701222022-02-22. Service bulletin. ENGINE; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). DELIVERY STOP: REPLACE CONTROL UNIT TRANSFER CASE. Due to a production failure, the control unit was assembled with a capcitator instead of a resistor.
B6624192022-01-24. Service bulletin. ELECTRICAL SYSTEM; ENGINE; STEERING. 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.
B1210212021-12-27. Service bulletin. ELECTRICAL SYSTEM; ENGINE. The customer complains that under moderate throttle application or on deceleration after throttle application, a Malfunction Indicator Lamp (MIL) is displayed in the instrument cluster.

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