2021 BMW 330I Technical Service Bulletins

202 technical service bulletins (TSBs) are on record for the 2021 BMW 330I. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11032731May 6, 2026Engine. 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.
• 11030060Mar 6, 2026Body and structure. The Radiator Grilles Lower Active Air Flap Assembly limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
• 11022101Aug 20, 2025Body and structure. While driving on a smooth and/or uneven road, a “cracking” sound is heard from the rear wheel arch area (highlighted in orange) on either the right or left side.
• 11019576Jun 11, 2025Air bags. The Supplemental Restraint Systems (SRS) Front Passenger’s Seat Occupancy Capacitive Interior Sensor (CIS) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in-service / first delivery date.
• 11018730May 14, 2025Body and structure. A vehicle listed above may arrive with a Check Control Message (CCM), and/or malfunction indicator lamp(MIL) illuminated. After carrying out the vehicle test, one or more of the stored faults indicate that the operation of the front bottomactive air flap is obstructed or blocked. Thoroughly inspect the front bottom air flap, when applicable, remove any contamination that is found caught inand between the bottom air…
• 11017506Apr 29, 2025Body and structure. A groaning noise is present from the door frame of any door, most commonly when driving over rough roadsor during body flex. This situation may be worse in vehicles which are regularly waxed in th e area of the door jamb.
• 11017103Apr 15, 2025Body and structure. The Radiator Grilles Lower Active Air Flap Assembly limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
• 11017100Apr 9, 2025Air bags, Electrical system. The Supplemental Restraint Systems (SRS) Front Passenger’s Seat Occupancy Capacitive Interior Sensor (CIS) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in-service / first delivery date.
• 11012077Dec 6, 2024Engine. The belt pulley on the mechanical coolant pump may fracture allowing the engine drive belt to come off thecoolant pump and alternator.
• 10252038Mar 4, 2024Engine 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…
• 10250374Feb 16, 2024Electrical system, Visibility (wipers, defrost, mirrors). An interference noise (groaning noise) can be heard from within the heating and air-conditioning unit in thecenter of the instrument panel. The groaning noise always occurs when either a ventilation flap, air stratification flap or the recirculated airflap moves to a different position. Due to the complex design of the heating and air-conditioning unit, the kinematics causing it (top or bottom,left or right) may…
• 10249437Jan 16, 2024Visibility (wipers, defrost, mirrors), Electrical system. The basic conditions for initializing the power windows are not met.
• 10249027Jan 11, 2024Electrical 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.
• 10249018Jan 8, 2024Steering. At low outside temperatures (below 40 degrees F) and slow driving speeds (i.e. when parking, maneuvering)with a large steering angle, the front end can be slightly axially misaligned. This can be felt (jerking)/ heard via an acoustic acknowledgement (clunk) as seen at the 11 second mark of the video. See attached video V36 01 21.
• 10249032Jan 5, 2024Electrical system, Equipment. The Central Information Display goes black intermittently due to resets of the Head Unit (HU-H3). FaultB7F8F9 – “HU-H: Reset” will be stored in the HU-H3.
• 10249015Jan 5, 2024Fuel system. A vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP) system(NVLD natural vacuum leak detection).
• 10249023Jan 2, 2024Seats, Electrical system. Customer states one of the front seats is inoperative. The seat heater and power supply are inoperative. During the vehicle test, the seat module does not respond. The power supply fuse for the seat module isfound to have blown.
• 10245365Nov 13, 2023Engine cooling. Pressure control valve (pcv) extended ltd wty 15 years/150,000 miles
• 10245367Nov 9, 2023Engine 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…
• 10242879Sep 12, 2023Body and structure. A groaning noise is present from the door frame of any door, most commonly when driving over rough roadsor during body flex. This situation may be worse in vehicles which are regularly waxed in the area of the door jamb. Note: This service information bulletin contains diagnostic and repair information which was previouslyincluded in an NED test plan that has been removed.
• 10242874Sep 11, 2023Equipment. Customers may be experiencing one or more of these following issues with Bluetooth operation: Bluetooth cannot be switched on or off in the head unit (HU-H4) Paired mobile devices cannot be deleted Customer is unable to make phone calls or stream music with mobile device Customer is unable to connect a new mobile device via Bluetooth Mobile device does not automatically reconnect via Bluetooth in the next drive…
• 10242688Aug 1, 2023Transmission and drivetrain, Engine cooling. ?A software error may cause an unwanted pressure pulsation in the transmission during a "Remote Engine Start."
• 10239611Jun 1, 2023Electrical system, Exterior lighting. Headlight check control (CC) message 128 "High beam headlight failure" is displayed. The following fault codes are stored during a vehicle test: 80419A - Left high-beam headlight: Short circuit and/or 8041A5 - light outputs: Number of permitted short circuit cycles exceeded
• 10239610Jun 1, 2023Exterior lighting. Condensation is present on the inner surfaces in one or both taillights (circled).
• 10239603Jun 1, 2023Transmission and drivetrain, Electrical system. BMW AG has issued an Emissions Recall (effective March 17, 2023) on a certain Model Year 2021 - 2023 BMW vehicles that were produced between June 16, 2020, and December 13, 2022. Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off.
• 10239602Jun 1, 2023Fuel system. A vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP) system (NVLD natural vacuum leak detection). For this condition, the following fault is stored in the DME: 190302 - fuel tank ventilation and scavenging air system, micro-leak: leakage more than 0.5 mm.
• 10239601Jun 1, 2023Equipment. BMW AG has issued a Delivery Stop effective June 6, 2023 on certain Model Year 2023 - 2024 BMW vehicles that were produced between October 26, 2022 and May 8, 2023.
• 10239599Jun 1, 2023Electrical system. With the introduction of the BMW Remote Software Upgrade, all Service Pack 18 vehicles and partial Service Pack 15 vehicles may receive new functionality or modifications in their features.
• 10238083May 1, 2023Electrical system. Due to a software error, the vehicle sporadically does not achieve sleep mode. As a result, the 12-volt battery becomes discharged and may cause a no-start condition.
• 10238081May 1, 2023Body and structure. Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
• 10236236Apr 1, 2023Electrical system. Issues with the various functions of the camera-based driver assistance systems (KAFAS system) can possibly lead to following customer complaints: KAFAS camera system deactivates itself, due to system restrictions that are not clear to the customer KAFAS camera system cannot be activated due to system restrictions that are not clear to the customer Road signs are sporadically not detected.
• 10236233Apr 1, 2023Electrical system, Exterior lighting. When unlocking the vehicle, the welcome light in the headlight "lights up eratically."
• 10236218Apr 1, 2023Engine 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.
• 10235206Mar 1, 2023Equipment, Lane departure. Customer is shown an incorrect GPS location in the vehicle (i.e., Nav Map, coordinates).
• 10235205Mar 1, 2023Equipment, Electrical system. The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE (VoLTE) function. For this purpose, the SIM card must perform an IMS registration in the mobile communication network. Due to a production error, the telematics control units were delivered without an IMS configuration.
• 10235203Mar 1, 2023Equipment. Customer states there is no audio playback (telephony, navigation, radio) and system sounds (PDC, turn indicators, acoustic signals) may also have failed.
• 10235196Mar 1, 2023Electrical system. The gear selector switch (GWS) consists of the control electronics circuit and the selector lever. The sensors for recording the gearshift lever position and for inhibiting inadvertent gearshifts are integrated in the control electronics.
• 10235191Mar 1, 2023Electrical system. Due to a software error, the vehicle sporadically does not achieve sleep mode. As a result, the 12-volt battery becomes discharged and may cause a no-start condition.
• 10235180Mar 1, 2023Steering. When turning the steering wheel while stationary or when driving on uneven roads; cracking, creaking, or knocking noises may be heard.
• 10235179Mar 1, 2023Engine 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.
• 10235178Mar 1, 2023Transmission and drivetrain. BMW AG has issued a Delivery Stop: Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off.
• 10236387Feb 6, 2023Engine. Engine Variants Updated.
• 10233169Feb 1, 2023Equipment, Electrical system. BMW AG has issued a Delivery Stop (effective October 25, 2021) on certain Model Year 2022 BMW vehicles that were produced after October 25, 2021. Due to supply chain limitations, certain vehicles were produced without a CID with touch function and and without Reversing Assistant.
• 10233166Feb 1, 2023Equipment, Electrical system. Due to component-related supply issues, the central information displays (CID) in some of the Model Year 2022 vehicles listed above were produced without the integrated touch screen function.
• 10233162Feb 1, 2023Equipment, Electrical system. Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12-volt power socket plug. Alternatively, it will only operate when constant downward hand pressure is maintained.
• 10233157Feb 1, 2023Transmission and drivetrain, 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. The noise goes away as the vehicle/driveline reaches operating temperature.
• 10230740Dec 1, 2022Equipment. Customer is shown an incorrect GPS location in the vehicle (i.e., Nav Map, coordinates).
• 10230739Dec 1, 2022Equipment. BMW AG has issued a Delivery Stop (effective November 10, 2022) on a small number of Model Year 2023 BMW vehicles that were produced between August 8, 2022 and October 18, 2022.
• 10230729Dec 1, 2022Latches, locks and linkages. Hood lever is pulled twice but the hood only achieves the pre-latch position on both sides.
• 10230726Dec 1, 2022Engine 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.

← All problems reported for the 2021 BMW 330I