B11AF

B11AF - Motor for Fresh Air / Recirculated Air Flap

Special Notes

When B11AF 07 or B1092 07 are found in model year 2017 - 2019 MLBevo based models such as the Audi A4, A5, Q5, Q7 and Q8 (including all of the variants such as the Allroad, S, RS and similar) check TPIs before replacing parts. Flash updates for some 08-Auto HVAC control units may exist:

• RoW market TPI 2058123
• NAR market TSB 87-23-37 or TPI 2055257 The 6th version of that is hosted here: https://static.nhtsa.gov/odi/tsbs/2023/MC-10230648-0001.pdf NHTSA
  • As of October, 2025 all of those TPIs make reference to the latest revised part number 4M0-820-511-A. Prior versions of those motors include 80A-820-511-A, 8W0-820-511-B and 4M0-820-511 and this video shows an example of the older design: https://www.youtube.com/watch?v=udzkUF3b5EQ