Service bulletin B512019

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10164004
Published by NHTSA	2019-08-19
Manufacturer's number	B512019
Manufacturer's date	2019-07-01
NHTSA component	STRUCTURE:BODY:TAILGATE

NHTSA's summary

Rattle noise from tailgate: A rattle noise is present in the area of the tailgate while driving. The tailgate stop is improperly adjusted.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Body and frame

Vehicles listed
BMW 640I	2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
B514616	2023-06-26. Service bulletin. Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
B540819	2020-12-21. Service bulletin. 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.
B512720	2020-12-21. Service bulletin. 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.
B011219	2020-11-23. Service bulletin. FRONT GRILLE UPPER/LOWER ACTIVE AIR FLAPS: LTD WTY EXT TO 15 YEARS/150,000 MILES: Component-Specific Limited Warranty Extension 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. Air flap issues caused by debris/blockage from outside influences is not a defect in materials or workmanship and is not claimable. During the extended limited warranty coverage period (Eligible vehicles that are beyond the 4 year/50,000 mileage New Vehicle Limited Warranty coverage), Active Air Flap cosmetic defect issues are not covered.
B011219	2020-11-16. Service bulletin. FRONT GRILLE UPPER/LOWER ACTIVE AIR FLAPS: LTD WTY EXT TO 15 YEARS/150,000 MILES: Component-Specific Limited Warranty Extension 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. Air flap issues caused by debris/blockage from outside influences is not a defect in materials or workmanship and is not claimable. During the extended limited warranty coverage period (Eligible vehicles that are beyond the 4 year/50,000 mileage New Vehicle Limited Warranty coverage), Active Air Flap cosmetic defect issues are not covered.
B540819	2020-04-20. Service bulletin. SUNROOF REVERSES WHEN CLOSING: This Service Information Bulletin (Revision 3) replaces SI B54 08 19 dated December 2019. The sunroof reverses direction (anti-traps) just as the sunroof glass meets the wind deflector. The sunroof may not properly initialize as a result.
B510820	2020-04-20. Service bulletin. GROANING OR CRACKING NOISE WHEN OPENING OR CLOSING THE DOORS: A groaning or cracking sound is present when opening and/or closing any of the doors. Interference between the door panel and door.
B340319	2019-12-16. Service bulletin. HUMMING RUMBLING NOISES AFTER OPENING THE DOOR: After waking up/unlocking and entering the vehicle a humming/rumbling noise may occur.
B512419	2019-09-23. Service bulletin. CRACKING NOISE FROM DASHBOARD TRIM. A cracking noise is present from the area of the dashboard trim when heating or cooling the vehicle. Thermal expansion of the plastic components of the decorative trim causes cracking noises.
B521119	2019-08-19. Service bulletin. CLICK CLACK NOISES IN BACKREST AREA OF FRONT SEAT: An alternating "click-clack" noise is heard from the backrest area of the front seat when an occupant sits in the seat or when the vehicle is cornering. Due to the elimination of the NED (Non-Electrical Diagnosis) test plan for seat noise from ISTA we are releasing this bulletin. Seat backrest frame is touching the seat cover.