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

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Bulletins, newest first
B6514192019-07-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. HEAD UNIT NBT EVO (HU-H2) PROGRAMMING ABORT. During programming several aborts can occur in the head unit NBT EVO (HU-H2).
B5209192019-07-22. Service bulletin. SEATS. CRACKING NOISE FROM SEAT BACKREST. Groaning/Cracking noises are heard from the front seat backrest when the vehicle is cornering.
B5208192019-07-22. Service bulletin. SEATS. FRONT SEAT BACKREST MAKES A CRACKING NOISE WHEN FOLDED FORWARD.
B5207192019-07-22. Service bulletin. SEATS. NOISE FROM THE FRONT SEATS WHEN ADJUSTING THE SEAT LENGTH.
B1604192019-07-22. Service bulletin. FUEL SYSTEM, GASOLINE. NEW REPLACEMENT FUEL TANK INTERNAL FUEL LINE CONNECTION. INFORMATION WARRANTY INFORMATION Not applicable. This Service Information bulletin provides technical and repair procedure-related information.
B1109192019-07-22. Service bulletin. ENGINE. N55 ENGINE: FC 28A0 OR 101F01 THROTTLE VALVE OPENING ANGLE. The engine malfunction warning is illuminated and one of the following fault codes are stored in the DME shortly after programming the vehicle or with a customer complaint.
B0121182019-07-22. Service bulletin. EQUIPMENT; ENGINE. N63 ENGINE: OIL CONSUMPTION CLASS ACTION SETTLEMENT DIAGNOSIS AND REPAIR PROCEDURES. While engine oil consumption may create a customer inconvenience in the short term it should not cause any drivability problems that would prevent normal day-to-day operational use of the vehicle.
B8403112019-06-24. Service bulletin. EQUIPMENT. TELEMATICS CONTROL UNIT ACTIVATION VIA DCSNET FOR BMW ASSIST.
B8402142019-06-24. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. INFORMATION New information provided by this revision is preceded by this symbol. This Service Information bulletin replaces SI B84 02 14 dated September 2018.
B6623172019-06-24. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE:BODY:TAILGATE. Service Information March 2018 Drivers Assistance Remote Control Systems B66 23 17 Technical Service This Service Information bulletin replaces SI B66 23 17 dated February 2018 CONTACTLESS TAILGATE (SMART OPENER) IS TOO SENSITIVE.
B1219192019-06-24. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Service Information May 2019 Engine Electrical Systems B12 19 19 Technical Service. On the affected vehicles a DME software error prevents the Check Control Message (CCM) "Low Engine Oil Level" to be displayed in instrument cluster (Kombi) when the engine oil level drops below the minimum level.
B6104192019-05-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED This Service Information bulletin replaces SI B61 04 19 dated March 2019.
B0124182019-05-20. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. On the affected vehicles the CBS engine oil service interval has been reduced to 1 year/10000 miles to make these vehicles consistent with all other N63x engine equipped vehicles.
B6104192019-05-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED This Service Information bulletin replaces SI B61 04 19 dated March 2019.
B0124182019-05-20. Service bulletin. ENGINE. On the affected vehicles the CBS engine oil service interval has been reduced to 1 year/10000 miles to make these vehicles consistent with all other N63x engine equipped vehicles.
B6104192019-04-22. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THE VEHICLE DOES NOT START BATTERY TOTALLY DISCHARGED. The customer's vehicle does not start due to a totally discharged battery.
B6211182019-02-25. Service bulletin. ELECTRICAL SYSTEM. BLACK SPOT IN THE CENTRAL INFORMATION. This Service Information bulletin replaces SI B62 11 18 dated January 2019. Whats New: â?¢ Warranty section - Programming information added. A small black spot remains on the Central Information Displays (CID) illuminated screen which does not go away after a key cycle or sleep mode.
B6210162018-12-10. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL. HeadUp Display does not Show Full Street Names. INFORMATION Design of the HUD has limited display area. (It can only show a certain number of text characters). NOTE: Parts replacement or programming the vehicle will not recitify the situation!
B5115162018-12-10. Service bulletin. VISIBILITY:WINDSHIELD. Delivery Stop - Check/Replace Windshield Sealing This Service Information Bulletin supersedes SI B51 15 16 dated June 2016. INFORMATION Reimbursement for this Service Action will be via normal claim entry.
B1205162018-12-10. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. "N55 - ENGINE MALFUNCTION WARNING DUE TO VAPOR FORMING IN THE FUEL SYSTEM This Service Information bulletin supersedes SI B12 05 16 dated April 2016. The Engine ""Drivetrain Malfunction"" Check Control warning is displayed and the Service Engine Soon (MIL) Lamp may also be on. In areas where winterized fuel is used, this situation may occur after prolonged periods of engine idling or ""stop and go"" driving. Additional symptoms that may be present: rough running poor engine performance difficulty in starting the engine. Either or both of the following fault codes can be stored in the DME. 11A002 - Fuel high pressure, plausibility: Pressure too low 11AC02 - Fuel high pressure, plausibility, cold start: Pressure too low In addition any of the following faults may also be stored: 119404 - Rail pressure sensor, signal: Permanently stuck 118001 - Mixture control: mixture too lean 118401 - Mixture control: mixture too lean; large deviation Vapor formation in the fuel system from fuel quality characteristics of certain winter fuel blends along with high engine compartment temperatures."
B8403142018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. Bluetooth Connection Failures. There are various connectivity failures with the following devices: Apple iPhones Samsung S6 and the S6 Edge. Connectivity failure examples are: Call disconnection - Call is transferred back to the handset. In some instances the call is then transferred back to the vehicle. Contact List incomplete General connection failures Apple iOS software (issue started with iOS 8.3 continues with iOS 9.x and its variants) Samsung S6 and S6 Edge device firmware.
B6609162018-12-10. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL; EQUIPMENT; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. """Collision Warning Failed"" or ""Pedestrian Warning Failed"" CCM Display. While driving, a Check Control Message (CCM) is displayed advising of the following: Front collision warning failed Pedestrian detection failed The following fault code is stored in the KAFAS (Camera-based Driver Assistance System): 0X800AC4 - Camera calibration failed The KAFAS camera is not properly mounted and secured to the mounting bracket on the windshield; And/ or: The mounting bracket glued to the windshield is not installed correctly. The pictures below show both incorrect and correct installation. This picture shows the KAFAS camera installed in the bracket. Notice the spacing highlighted by the ""green lines"""
B6304162018-12-10. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING:HEADLIGHTS. LED Headlight CCM/Output Decrease. Any of the following may be evident: CCM about front headlights Headlight output decreases during operation 8059AFFan 1: Line disconnection / 8059AE Fan 1: Short circuit / Headlight fan failure
B6207162018-12-10. Service bulletin. FUEL SYSTEM, GASOLINE. Unintentional Active ECO-PRO Bonus Miles Reset. Fluctations of fuel level (causing resistance changes in the level sensor) while vehicle is stationary, are interpreted as refueling. This causes active ECO PRO mode bonus range to reset. Error in instrument cluster application.
B5115162018-12-10. Service bulletin. VISIBILITY:WINDSHIELD. Delivery Stop - Check/Replace Windshield Sealing.

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