Overview. We're excited to announce our Engine Control Unit (ECU) Upgrades are now available for the Audi Q7 and Q8 (4M) 3.0 TFSI engine with the Bosch MG1 ECU! Expect massive gains with up to 393-432 HP and 500-564 FT-LBS of torque on tap, depending on octane, from this simple software upgrade. Find the engine code on your Audi Q7. The serial number containing the engine code of your Audi Q7 can be located on a sticker that is stuck to the door, driver's side. If it isn't, check under the hood. It would be located on the front part of the engine. If not, driver's side, bottom of windshield, inspect behind windshield wipers. Location of the VIN number on the Audi Q7. 13/10/2020 / audi Engine Number, audi Radio/ CD Changer/ Navigation Unit Number, Engine Number, Gearbox number, The following instructions will help you find the Audi VIN on various models, including the A1, A3, A4, A5, A6, A7, Q3, Q5, Q7, TT, etc. Where is the VIN Number Located on Audi Windshield VIN Location Hello Audi folks, My AudiQ7 (2012) has misfire with cylinders 4,5,6 (only the left one) only (1,2,3 perfect without any error). The Engine light was randomly popped up and sometimes automatically off, especially when I drove more than 100km/h. The misfile usually happened at cold weather but not always true. Location USA VCDS Serial number HC100001. JMR said: Plug & Play Bosch Engine ECU, Audi Q7 3.0 TDI, 0281018301, 0 281 018 301, 4L2910401B, 4L2 910 401 B The 4.2-liter V8 FSI engine is also a member of this family. It is available in two versions – a comfort-oriented version (used for the first time in the Audi Q7) and a sporty high-revving version for the new RS4. A 5.2L V10 FSI will also be available in the near future. Page 6 Introduction The 4.2-liter V8 FSI engine is supplied in the new 2015 Audi Q7 V6-3.0L Turbo. Service type. Vent Oil Separator Replacement. Estimate. $466.11. Shop/Dealer Price. $562.13 - $720.00. Show example Audi Q7 Vent Oil Separator Replacement prices. CM8k.