Nov 4, 2012 · Here's a quick DIY for anyone looking to swap out their TCU. It's pretty easy, but I have the pictures so might as well share them. 1. Take trunk liner out of middle of the trunk & remove the …

Dec 9, 2025 · Attached as example is an ISTA ScreenPrint showing Location of A7000a Automatic Transmission Control Unit on 2008 320i. If diagnostic software cannot communicate with the TCU, …

Dec 9, 2010 · I have an early production (11/03) 645 coupe. I would like to buy a new TCU and install it so that I can finally have bluetooth. I plan on installing the TCU my self and having the sealer …

Dec 21, 2023 · TCU Battery Location Jump to Latest 530 views 2 replies 2 participants last post by busdrvr12 Dec 23, 2023 busdrvr12 Discussion starter

May 19, 2014 · The chart below shows you the pin location on the TCU or mulf then the wire color on the left side and then the pin location on the new housing for the combox and the known function. …

Jun 17, 2011 · TCU Location in a 2005 Z4 Jump to Latest 6.8K views 6 replies 6 participants last post by keeton Jun 21, 2011 G

Aug 15, 2017 · TCU location Jump to Latest 1.3K views 2 replies 3 participants last post by Flatland328 Aug 15, 2017 A

Jul 22, 2009 · tcu location Jump to Latest 3K views 5 replies 5 participants last post by Z4luvr Jul 23, 2009 S

Apr 28, 2010 · Does anyone have a pic of the TCU location on an E65/66. I think mine might be missing or damaged because my boothtooth doesnt work. If you can describe the location that would be …

Jan 31, 2016 · I have searched the forum and all over the web and cant seem to find exactly where the telematics TCU is located on my 2006 E61 Wagon. Any help would be greatly appreciated! It does …