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BMW 3-Series (E90 E92) Forum
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Bluetooth / TCU problems - symptoms and cure
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| 12-17-2012, 05:10 PM | #1 |
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Enlisted Member
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Bluetooth / TCU problems - symptoms and cure
I run a 2006 330d with i-drive and Bluetooth.
On occasion my phone would fail to connect to the car. Eventually one day, it stopped working alltogether. I checked fuses, updated my phone software, the connections to the unit itself (located under the boot floor carpet) disconnected the battery for an hour, all to no avail. Original unit: ![]() ![]() A visit to the dealer did nothing to improve my confidence that a cheap fix was on the cards. They suggested they would need 3 hours to diagnose fit/repair and code the car. The part alone was £470 + VAT. Perfect, i was looking at a £1000 bill for handsfree capability? To rub salt into my wounds, the radio became intermittent immediately following start up. This tended to clear after 5 mins but was most annoying! When I selected the CD changer option, a message stating that it was checking the changer content was all I got. So, no CD's either, nice. The part that my car came with from the factory is now obsolete and has been replaced by a new TCU (Telematics Control Unit). This was the part the nice man at BMW said would cost me £470 + VAT. Apparently they replace 3 per month at my local dealership alone.... Luckily I have a friend who has a similar spec 2008 330d who was kind enough to photograph the unit in his boot. This gave me a third option to consider. ![]() ![]() I began hunting on ebay for any of the 3 that I believed would work. Long story short ebay.co.uk turned up nothing suitable under £200. A quick look on ebay.de turned up a unit exactly the same as the one fitted to my friends 2008 car. After a bit of chat thanks to Google translate, the unit was on its way to me after agreeing a purchase proce of 110euros. It arrived safely and I set to it. First, I disconnected the battery - I had no idea if the unit would need coded, so figured disconnecting the battery was probably the safest option. Swapping the over is easy. 4 x 8mm screws and in my case 2 plugs and one aerial type connector. Thw swap over took all of 5 minutes. Anyway, battery re-connected and all is good, no coding required. Phone paired first time, CD works and Radio does not cut out. Delighted. Hope this description helps someone else. ![]() (Worst part was searching for a suitable replacement on ebay....) Cheers! |
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