2020 BMW 330I Technical Service Bulletins

306 technical service bulletins (TSBs) are on record for the 2020 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.

• 10184588Nov 1, 2020Equipment. HEAD UNIT RESETS WITH FAULT CODE B7F8F9 RESET WATCHDOG: Customer states the following about their vehicle: Active radio or music source is interrupted. The navigation is no longer available. A black screen is shown in the Control Display.
• 10184585Nov 1, 2020Equipment, Electrical system. HIGH-VOLTAGE BATTERY CONDITION VERIFICATION (20V-601): After additional in-depth research and analysis of the corresponding data for these vehicles, we can safely conclude that the issue identified in Recall Campaign 20V-601 has been satisfied and no further repair is required.
• 10184584Nov 1, 2020Equipment, Visibility (wipers, defrost, mirrors). Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full: Low Washer Fluid Warning Light is illuminated when the Washer Fluid Tank is Full.There are no faults stored in the system for the washer fluid level switch.
• 10184583Nov 1, 2020Equipment, Electrical system. CHECKING THE DUAL STORAGE SYSTEM AND REPLACE IF NECESSARY: In the event of an accident, the two-battery Dual Storage System (DSS) is disconnected from the electrical system via an internal relay. In some cases, the relay is stuck closed and a fault is set.
• 10184582Nov 1, 2020Latches, locks and linkages, Electrical system. WHEN LOCKING VEHICLE, DOORS ARE LOCKED BUT VEHICLE IS NOT SECURED: The customer complains that when locking the vehicle from the outside using the remote control: The doors lock. The alarm system is not activated. The side mirrors (when the function is activated) do not fold in.
• 10184581Nov 1, 2020Equipment, Electrical system, Body and structure. SUNROOF REVERSES WHEN CLOSING: The sunroof reverses direction (anti-traps) just as the sunroof glass meets the wind deflector. The sunroof may not properly initialize as a result.
• 10184580Nov 1, 2020Equipment, Body and structure. SUNROOF ROLLER SUNBLIND INOPERATIVE: The sunroof roller sunblind may not operate correctly. The roller sunblind cannot be opened from a fully closed position. The roller sunblind cannot be closed via one touch automatic function.
• 10184577Nov 1, 2020Fuel system, Body and structure. FUEL FILLER DOOR WILL NOT OPEN: The fuel filler door (aka flap) will not open. In rare cases, if the vehicle is locked using the remote control key and the fuel filler door is pushed closed simultaneously, the fuel door can enter a locked state that cannot be unlocked.
• 10184572Nov 1, 2020Engine cooling. REPLACE EXHAUST TURBOCHARGER: Possible loss of engine output and illumination of the malfunction indicator lamp (MIL).
• 10182924Oct 1, 2020Back-over prevention (rear camera). SERVICE ACTION - REPLACE RIGHT REAR SHORT RANGE RADAR SENSOR (SRR): The functionality of the right rear SRR sensor could be reduced which would display the Driving Assistance Check Control Message.
• 10182923Oct 1, 2020Electrical system. SERVICE ACTION - REPLACE LEFT REAR SHORT RANGE RADAR SENSOR (SRR): The functionality of the left rear SRR sensor could be reduced which would display the Driving Assistance Check Control Message.
• 10182917Oct 1, 2020Electrical system. ACCESSORIES DO NOT POWER ON: 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. A design change was intended to reduce short circuits and blown fuses. When the plug adapter is inserted, the center contact pin may not make proper contact with the center pin…
• 10182915Oct 1, 2020Seats. SEAT HEATING NOT ACTIVATED WHEN ENGINE IS STARTED USING REMOTE STARTING SYSTEM: When preheating/precooling the vehicle via the remote starting system (Remote Engine Start), the seat heating on the driver's side is not activated.
• 10182913Oct 1, 2020Body and structure. SERVICE ACTION - CHECK REAR WINDOW: The rear window may not have been properly bonded. The rear window may not have been properly bonded to the body during production.
• 10182912Oct 1, 2020Body and structure. WHISTLE NOISE FROM FRONT DOORS WHILE DRIVING: There is a whistling noise present from either front door while driving at speeds of 60 mph. This can occur on one or both front doors. Foam acoustic seals at the A-Pillar and B-Pillar may have shrunk or shifted, causing an air leak.
• 10182909Oct 1, 2020Brakes. TICKING NOISE FROM DRIVERS FOOTWELL DURING LIGHT BRAKING WHILE COASTING: A ticking sound can be heard from the drivers footwell while coasting with the engine OFF. The noise occurs when the pedal is slightly pressed with minimum force without the brake light being activated.
• 10182906Oct 1, 2020Suspension. SERVICE ACTION - REPLACE THE WISHBONE OR TENSION STRUT: An incorrectly pressed-in rubber mount in the wishbone, or hydraulic mount in the tension strut can lead to acoustic abnormalities in the front axle. A process fault at the supplier resulted in the mounts of the affected wishbone or tension strut to be incorrectly pressed in.
• 10182625Oct 1, 2020Electrical system, Equipment. SERVICE ACTION - REPLACE RIGHT REAR SHORT RANGE RADAR SENSOR (SRR): The functionality of the right rear SRR sensor could be reduced which would display the Driving Assistance Check Control Message.
• 10182624Oct 1, 2020Equipment, Electrical system. SERVICE ACTION - REPLACE LEFT REAR SHORT RANGE RADAR SENSOR (SRR): The functionality of the left rear SRR sensor could be reduced which would display the Driving Assistance Check Control Message.
• 10182618Oct 1, 2020Electrical system, Equipment. ACCESSORIES DO NOT POWER ON: 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. A design change was intended to reduce short circuits and blown fuses. When the plug adapter is inserted, the center contact pin may not make proper contact with the center pin…
• 10182616Oct 1, 2020Seats. SEAT HEATING NOT ACTIVATED WHEN ENGINE IS STARTED USING REMOTE STARTING SYSTEM: When preheating/precooling the vehicle via the remote starting system (Remote Engine Start), the seat heating on the driver's side is not activated.
• 10182614Oct 1, 2020Visibility (wipers, defrost, mirrors). SERVICE ACTION - CHECK REAR WINDOW: The rear window may not have been properly bonded. The rear window may not have been properly bonded to the body during production.
• 10182613Oct 1, 2020Body and structure. WHISTLE NOISE FROM FRONT DOORS WHILE DRIVING: There is a whistling noise present from either front door while driving at speeds of 60 mph. This can occur on one or both front doors. Foam acoustic seals at the A-Pillar and B-Pillar may have shrunk or shifted, causing an air leak.
• 10182610Oct 1, 2020Brakes, Engine, Electrical system. TICKING NOISE FROM DRIVERS FOOTWELL DURING LIGHT BRAKING WHILE COASTING: A ticking sound can be heard from the drivers footwell while coasting with the engine OFF. The noise occurs when the pedal is slightly pressed with minimum force without the brake light being activated.
• 10182607Oct 1, 2020Equipment, Suspension. SERVICE ACTION - REPLACE THE WISHBONE OR TENSION STRUT: An incorrectly pressed-in rubber mount in the wishbone, or hydraulic mount in the tension strut can lead to acoustic abnormalities in the front axle. A process fault at the supplier resulted in the mounts of the affected wishbone or tension strut to be incorrectly pressed in.
• 10181229Sep 1, 2020Electrical system. SERVICE ACTION - CHECKING THE DUAL STORAGE SYSTEM AND REPLACE IF NECESSARY: In the event of an accident, the two-battery Dual Storage System (DSS) is disconnected from the electrical system via an internal relay. In some cases, the relay is stuck closed and a fault is set. In these circumstances: A crash shutdown of the DSS does not occur The power distribution box is supplied with power until the DSS is fully…
• 10181225Sep 1, 2020Body and structure. KIDNEY GRILL ACTIVE AIR FLAP FAULTS: A check control message or MIL (Malfunction Indicator Lamp) may be illuminated.
• 10181218Sep 1, 2020Suspension. SERVICE ACTION - REPLACE THE WISHBONE OR TENSION STRUT: An incorrectly pressed-in rubber mount in the wishbone, or hydraulic mount in the tension strut can lead to acoustic abnormalities in the front axle. A process fault at the supplier resulted in the mounts of the affected wishbone or tension strut to be incorrectly pressed in.
• 10179825Aug 1, 2020Electrical system. REMOTE CONTROL IS NOT DETECTED: 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. Note: Opening, closing and starting via the BMW Digital Key or the Digital Key Card are not affected. Software error in the BDC (Body Domain Controller) module.
• 10179824Aug 1, 2020Electrical system. COMFORT ACCESS AND COMFORT GO NOT POSSIBLE: Vehicle cannot be unlocked/locked or started via Comfort Access. Remote control functionality is restored by pressing any of the key buttons or by removing and reinstalling the remote control key battery.
• 10179823Aug 1, 2020Lane departure. LANE DEPARTURE WARNING - STEERING INTERVENTION TOO STRONG: The steering intervention for Lane Departure Warning (LDW) is too strong (severe), which can create an uncomfortable feeling for the driver. Background: Steering intervention helps keep the vehicle in the lane if the system detects that a lane marking has been crossed. The steering intervention can be noticed on the steering wheel and can be manually…
• 10179821Aug 1, 2020Electrical system. HEAD UNIT RESETS WHEN NAVIGATION IS USED IN CERTAIN LOCATIONS: The head unit resets sporadically causing the CID to turn black and then starts up again after a short time with the message "Start navigation system". This only occurs during navigation guidance when the "3D building" function is used Software in the Head Unit High (HU-H3).
• 10179819Aug 1, 2020Electrical system. DELIVERY STOP - HIGH-VOLTAGE BATTERY: Please do not charge the vehicle high-voltage battery until further notice. There may be a potential issue in the welding process of the HV-modules.
• 10179818Aug 1, 2020Electrical system. ACCESSORIES DO NOT POWER ON: Customer is not able to power accessories using the 12 volt power socket. Design change to reduce short circuits and blown fuses.
• 10179815Aug 1, 2020Engine cooling. KIDNEY GRILL ACTIVE AIR FLAP FAULTS: A check control message or MIL (Malfunction Indicator Lamp) may be illuminated, with one or more of the following 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…
• 10179811Aug 1, 2020Electrical system. EME GROUND CONNECTION MONITORING FAULTS: Check Control message (CCM ID 794): "Drive. Check as soon as possible" illuminates. Increased ground cable contact resistance at Electrical Machine Electronics (EME) due to corrosion/oxidation.
• 10179809Aug 1, 2020Electrical system. REMOTE SOFTWARE UPGRADE: For BMW, Remote Software Upgrade (RSU) is the next consequent step with regard to digitalization and customer satisfaction. With the introduction of RSU, customers now can update the vehicle software by themselves.
• 10179748Aug 1, 2020Equipment, Electrical system. NEW ECU VALIDATION NEEDED AFTER REPLACING CERTAIN CONTROL MODULES: With introduction of the new Headunit HU-H3 (MGU Media Graphics Unit), there is a new protection mechanism against tampering.
• 10179013Jul 1, 2020Electrical system. SERVICE ACTION - PROGRAM TELEMATICS MODULE: A software error in the telematics control unit can result in an interruption in communication between the vehicle and the back end (BMW server). Software error in the Advanced Telematics Module (ATM).
• 10179010Jul 1, 2020Electrical system. BMW CONNECTEDDRIVE APPS ARE NO LONGER AVAILABLE AFTER PROGRAMMING: After programming vehicle with "20-03" software, BMW ConnecedDrive apps are no longer available in the head unit. Software in the Head Unit High (HU-H3).
• 10179009Jul 1, 2020Electrical system. NAVIGATION SYSTEM - REPORTING MISSING OR INCORRECT ROADMAP DATA: Do not replace parts and do not program the vehicle. Roads can change by up to 15% every year. To ensure the best navigation experience, we do everything in our power to create the best maps. Your reports help us to detect changes in your area and keep future versions of our maps as accurate as possible. Therefore, a road map error or missing data…
• 10179007Jul 1, 2020Equipment. INSTRUMENT CLUSTER AND ONBOARD COMPUTER INTERMITTENTLY INOPERATIVE: The audio source, radio station, or music track cannot be changed using the MFL. Normal functionality may possibly return after a sleep cycle or a battery reset. This affects vehicles with: Integration level S18A-18-11-5xx Live Cockpit Professional (option code 6U3) including the instrument cluster High 4.1. While the Kombi is not working properly…
• 10179006Jul 1, 2020Equipment, Electrical system. SERVICE ACTION - REWORKING THE HIGH-VOLTAGE SYSTEM CONNECTOR: The sealing plugs (aka sealing grommets) on the low-voltage connector to the high-voltage battery were incorrectly mounted. The white-colored plugs seal off the individual wire chambers in the connector.
• 10179005Jul 1, 2020Electrical system, Body and structure. DELIVERY STOP - TRUNK LOCK SWITCH WIRING HARNESS: BMW AG has issued a Delivery Stop (effective June 5, 2020) on a small number of Model Year 2020 BMW 3 Series vehicles that were produced on March 25, 2020 and March 26,2020. The wiring harness from the Body Domain Controller (BDC) to the hotel setting switch is missing. Do not deliver to a customer, a New, Certified Pre-Owned or Used vehicle subject to a Delivery…
• 10179003Jul 1, 2020Electrical system, Equipment. VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED: The customer's vehicle does not start due to a totally discharged battery.
• 10179002Jul 1, 2020Body and structure. SERVICE ACTION - CHECK SUNROOF SEALING: The sunroof frame may not have been properly sealed, causing a water leak into the vehicle. Improper sealing during production.
• 10178997Jul 1, 2020Electrical system, Electronic stability control. NOISE FROM DYNAMIC STABILITY CTRL(DSC)UNIT WHEN DRIVING RAPIDLY OVER SPEED BUMP: When driving rapidly over a speed bump, the following issues may arise: 1. DSC pump noise 2. Power output delayed for 1-2 seconds DSC software application.
• 10178996Jul 1, 2020Brakes, Wheels. TICKING NOISE WHILE CORNERING WITHOUT THE BRAKES APPLIED: Ticking noise coming from front wheel while cornering without brakes applied, noticeable at low speeds. The vehicle must be moving.
• 10178993Jul 1, 2020Fuel system. NOISES FROM THE FUEL TANK AT IDLE: All vehicles except the F48 (X1): While driving slowly with low RPM or while idling a faint knocking or fluttering noise can be heard from inside the fuel tank with a low fuel level (approximately less than 2 gallons). The customer may describe this noise as a "helicopter noise" from the rear of the vehicle.
• 10177630Jun 1, 2020Electrical system, Body and structure. DELIVERY STOP: TRUNK LOCK SWITCH WIRING HARNESS: BMW AG has issued a Delivery Stop (effective June 5, 2020) on a small number of Model Year 2020 BMW 3 Series vehicles that were produced on March 25, 2020 and March 26,2020. The wiring harness from the Body Domain Controller (BDC) to the hotel setting switch is missing.

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