May 3, 2009 · Okay it's very simple actually. You just swap over the immobilizer chip itself into the new key (you don't even have to swap over the internals). You can reuse the key blade, but it requires you to modify it heavily, so I would just get a new blank cut specifically for the B7 key. Mar 8, 2007 · So, for about the cost of one single new programmed key from the dealer (~$250) I now have two new B7 keys, and one original B6 key. All remote functions work and all keys start the car. Last edited by MikeWire; 02-23-2010 at 10:05 AM . Oct 13, 2019 · Installed the new comfort control module today, Things are much better. Trying to install the new auto scan but am having a problem. I will work on this and post it as soon as i can. Water ingress was the problem glass to top seal. Had some corrosion on one connection clean several times will reclean it in the morning. Aug 18, 2018 · How do I program it to the car again? Thanks for the help. Reprogramming the key fob is described in the owner manual (page 35 from the 2018 A3 Owner's Manual attached) Attached Files. Page35 from 2018 Audi A3 Owner Manual.2017.05.pdf (183.1 KB, 2140 views) Reply Like. AUDI A4 2005(55) B7 Battery went flat in the remote key. Red light wasnt flashing. I put new battery in the key, its flashing now, but cant open the doors. Whats the best way of programming this key. Thanks Mani Sep 29, 2017 · Reprogramming audi a4 b7 key. . Reprogramming of audi key after car went into safe mode due to changing of key Fob casing and battery, with the unique position of having only one Dec 16, 2008 · Help with programming a key. I just acquired an Audi A4 2.0T (mfg date July 2005), quattro and the dealer only had 1 key/remote. A new key cost about $125 and another $100+ to program the remote. I am wondering if there is a way I can just have the dealer order the key, but me program it myself. 5. Wait 30 seconds for the programming cycle and programming mode to close. The first two keys are internally (inside the ECU) designated as MASTER keys and the 3rd key inserted will be internally designated as the VALET key. As a test, when you insert a MASTER key, the security light. should stop blinking right away. Jan 22, 2017 · So couple questions here, I want to do the b7 key on my 04 a4. My “factory” key gives me the 8Z0 837 231 F part number and fcc of MYT8Z0837231. But I have CCM part number 8E0 959 433 BB so do I need a 433 MHz or 315 MHz? If I read rite the 433 is the MHz if that’s the case someone swapped cases and I really do have a 433 remotes. Press any button on remote control. Lock and unlock vehicle within 30 seconds using driver-side lock with the door closed. Open the door and insert the key in the ignition turning it to the On position. Remove the key from the ignition. Press any button on remote control. Now check function of synchronized remote control. ZX1cqGU.