# Service bulletins for the 2017 BMW 640i

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.

170 bulletins from NHTSA, as of 2026-10-19.

- [B120721](/bulletins/10252038.md), 2024-04-01, 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.
- [B630418](/bulletins/10252031.md), 2024-04-01, Service bulletin: EXTERIOR LIGHTING. One or more of the LED daytime running lights are dim or discolored.
- [B510819](/bulletins/10249437.md), 2024-02-01, Service bulletin: VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. The basic conditions for initializing the power windows are not met.
- [B610524](/bulletins/10249032.md), 2024-02-01, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. The Central Information Display goes black intermittently due to resets of the Head Unit \(HU\-H3\). FaultB7F8F9 â“ âHU\-H: Resetâ will be stored in the HU\-H3.
- [B611305](/bulletins/10249027.md), 2024-02-01, Service bulletin: ELECTRICAL 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.
- [B320223](/bulletins/10249017.md), 2024-02-01, Service bulletin: STEERING. SITUATION Unusual noises occur only when operating the steering column in the axial direction. 1. A one\-time thump sound at the start of movement Shortly after the steering column starts moving, retracting, or extending, a one\-time thump noise is heard. See attached video V32 03 23 2. Humming noise while steering column extends in the axial direction. The sound is only heard when the steering column is extended, not when the steering column is retracted. When the steering column starts to move in the extended direction, the humming noise can be heard. See attached video V32 04 23
- [B120721](/bulletins/10245367.md), 2023-12-06, 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.
- [B011423](/bulletins/10245365.md), 2023-12-06, Service bulletin: ENGINE AND ENGINE COOLING. PRESSURE CONTROL VALVE \(PCV\) EXTENDED LTD WTY 15 YEARS/150,000 MILES
- [B340914](/bulletins/10239605.md), 2023-07-24, Service bulletin: WHEELS. The Dynamic Stability Control \(DSC\) warning light comes on while driving. The following DSC fault codes for the wheel speed sensors are stored: 480712 and/or 480715 and/or 480718 and/or 48071B They cannot be cleared, even though the wheel speed sensors work correctly and no problem can be found with the wiring harness.
- [B651523](/bulletins/10238090.md), 2023-06-26, Service bulletin: ELECTRICAL SYSTEM. After programming the head unit \(HU\-H2\), activating the FSC \(German word Freischaltcode\) Enabling Codes repeatedly fails.
- [B840822](/bulletins/10235205.md), 2023-05-01, Service bulletin: EQUIPMENT; 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. The Connected Drive voice services \(Concierge Call, BMW Assistance, and emergency call voice\) can no longer be used regionally in the US in vehicle with telematics control units ATM\-1 and TCB\-4G. Voice control of the vehicle and all other telephone \(paired mobile devices\) functions are not affected. Emergency call location data is unaffected.
- [B010122](/bulletins/10230716.md), 2023-01-30, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. With the court's FINAL approval, BMW of North America, LLC \(BMW NA\) has entered into a nationwide settlement with the plaintiffs in the following class action: Isley, et al. v. Bayerische Motoren Werke Aktiengesellschaft and BMW of North America, LLC.
- [B650414](/bulletins/10227568.md), 2022-12-12, Service bulletin: LANE DEPARTURE; UNKNOWN OR OTHER; AIR BAGS; SEATS:BARRIERS; BACK OVER PREVENTION. According to the customer, the airbag warning light was on, but it may not be illuminated when the vehicle arrives in the workshop. 1. ACSM fault code "930A60 \- Seat occupancy detection, front passenger; malfunction" is stored. The fault may or may not currently be present. Or 2. ACSM fault code "930A1C \- Front passenger seat occupancy detection transmitting fault\(moisture\)" is stored. The fault may or may not currently be present.
- [SIB010921](/bulletins/10224185.md), 2022-10-17, Service bulletin: EQUIPMENT. Component\-Specific Limited Warranty Extension. For the eligible vehicles, BMW of North America, LLC \(BMW NA\) is extending the limited warranty for the vehicle's Leak Diagnosis Module with hose assembly \(NVLD, shown\) to: 15 years/150,000 miles as determined by the vehicle's original in\-service date. For eligible MY 2017 BMW 530i Sedan and xDrive \(B460\) vehicles that are currently registered in the State of California \(CA\) or a State that has fully adopted the State of California PZEV/SULEV regulation \(CT, ME, MD, MA, NJ, NY, RI, and VT\), the standard component\-related coverage for the NVLD is 15 years/150,000 miles. This component\-specific limited warranty extension applies to defects in materials or workmanship. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks. Over time, the Leak Diagnosis Module \(NVLD\) \(with connected hose\) component material may fail, this can create a fine leak to develop in the Evaporative Emission Control System \(EVAP\). Should this occur, corresponding fault codes will be stored in the DME memory and the MIL \(Malfunction Indicator Lamp\) will illuminate.
- [SIB662419](/bulletins/10218384.md), 2022-08-22, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. 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.
- [SIB640821](/bulletins/10218379.md), 2022-08-22, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. The air conditioning cycles from cold to warm air while driving or while at a stand still. The vent outlet temperatures vary by 25 degrees Fahrenheit or more \(38 F to 60 F \+\) without changing any climate control settings. In some cases the air conditioning may have stopped blowing cold air altogether.
- [SISIB011317](/bulletins/10215031.md), 2022-07-05, Service bulletin: EQUIPMENT. Shipping specific non\-deployed vehicle safety devices to lighting resources, LLC
- [SIM120517](/bulletins/10215026.md), 2022-07-05, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks for
- [SIM010917](/bulletins/10215025.md), 2022-07-05, Service bulletin: EQUIPMENT. Shipping specific non\-deployed vehicle safety devices to lighting resources, llc. This service Information bulletin provides information on shipping "specific" noin\-deployed vehicle safety devices that are classified as Dangerous Goods \(DG\) to Lighting resources, LLC
- [SIB651312](/bulletins/10214990.md), 2022-07-05, Service bulletin: ELECTRICAL SYSTEM. The Headunit High \(HU\-H\), also called NBT, began replacing the Car Information Computer \(CIC\) on certain MY2013 vehicles with option 609 \(as of 7/2012 production\). This uses map North America NEXT. The Headunit High 2 \(HU\-H2\), also called NBT\-EVO, superseded the NBT HU and was introduced in 3/2014. This uses map North America EVO. The Headunit High 4 \(HU\-H4, also called MGU21\) superseded the MGU starting with certain MY2021 vehicles with option code 6U3 Live Cockpit Professional. This uses map North America JOY. The ENTRY Media/Navigation \(HU\-B\) is the low line business version of the navigation system and was introduced in 3/2014. This uses map North America ROUTE. The ENTRY NAV EVO \(HU\-B2\) replaced Entry Media/Navigation as the low\-line business version and was introduced in certain MY2018 vehicles. This uses map North America WAY.
- [B3106170621](/bulletins/10214944.md), 2022-07-05, Service bulletin: EQUIPMENT. Please return all part\(s\) to your facing Regional Distribution Center \(RDC\). Submit for return using a YR26 damage claim with order reason BM2. A valid BMW delivery and delivery item number must be entered, and TEC73 must appear in the text of your TEC claim.
- [B170121](/bulletins/10214256.md), 2022-06-21, 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.
- [B111614](/bulletins/10211851.md), 2022-05-16, Service bulletin: ENGINE; ENGINE AND ENGINE COOLING. This bulletin outlines the procedure for checking the engine timing chains for wear, and should be completed in conjunction with SI B11 06 14, "N63 Customer Care Package." The N63CCP and N63 Engine Check the Timing Chain are NOT mandatory Technical Campaigns or Recalls. They should be completed only based on parts availability, workshop capacity, and the customer's schedule.
- [B651312](/bulletins/10204660.md), 2021-12-13, Service bulletin: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\). The Headunit High \(HU\-H\), also called NBT, began replacing the Car Information Computer \(CIC\) on certain MY2013 vehicles with option 609 \(as of 7/2012 production\). This uses map North America NEXT. The Headunit High 2 \(HU\-H2\), also called NBT\-EVO, superseded the NBT HU and was introduced in 3/2014. This uses map North America EVO. The Headunit High 3 \(HU\-H3, also called MGU\) superseded the NBT\-EVO starting with certain MY2019 vehicles with option code 6U3 Live Cockpit Professional or 6U2 Live Cockpit Plus. This uses map North America LIVE. The ENTRY Media/Navigation \(HU\-B\) is the low line business version of the navigation system and was introduced in 3/2014. This uses map North America ROUTE. The ENTRY NAV EVO \(HU\-B2\) replaced Entry Media/Navigation as the low\-line business version and was introduced in certain MY2018 vehicles. This uses map North America WAY.
- [B341019](/bulletins/10203336.md), 2021-11-08, Service bulletin: SERVICE BRAKES, HYDRAULIC. Inform the customer during a consultation that the M Compound \(standard equipment\) and M Carbon Ceramic \(optional\) brakes are high\-performance brake systems which are designed for sporty, dynamic driving styles. As a side effect of the highest possible brake performance, customers are likely to hear noises due to the extremely resilient materials. In the same conversation, inform the customer that his/her braking performance can help ensure that the noises do not occur or disappear quickly.

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