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Custom DIY OEM Bluetooth install
I have the nokia bluetoth car kit (CK-1W) and it does the job, but I've never been happy the way it works and it's lack of intergration with the Sat Nav monitor and MFSW. As I didn't fancy paying a dealer £120 for the harness, I started looking on the internet about a DIY custom solution, an OEM ULF with a custom harness, after all the OEM ULF is just a BT module with an I-Bus interface, right. I found loads of info about the module and the pinouts for the 54 Pin plug and someone who had already done it, a Spanish guy on a Spanish bmw forum, (thanks micro088). So, I'm in the process of custom retrofitting the OEM BT setup, I reckoned, that I could do the whole thing for less than the price of the parrot (3100 or 3000) plus the connects2 box and leads, or the New nokia setup. It Looks like its well do-able. Since my car has the 40 quadlock and SatNav, cusom making the 54pin ULF harness was very straight forward, here is the 54pin pinouts. Pinouts ===================================== BM54 - Main, 16 Pin Quadlock Connector X13646-10----------------------- MUTE -----------------------PIN 51 ULF X13646-12----------------------- GND ------------------------PIN 36 ULF X13646-15----------------------- +12 V Perm----------------PIN 17 ULF X13646-16----------------------- +12 V Switched------------PIN 35 ULF X13646-9------------------------ I-BUS -----------------------PIN 15 ULF X13646-11----------------------- TEL ON ---------------------PIN 33 ULF BM54 - Small, 12 pin connector (C Btm right) X13649-6---------------------- Tel Audio Out + --------------PIN 37 ULF X13649-12--------------------- Tel Audio Out - --------------PIN 38 ULF Extras, MIC: MIC + ----------------------------------------------------------PIN 1 ULF MIC - ----------------------------------------------------------PIN 19 ULF MIC Shield-----------------------------------------------------PIN 21 ULF GND-----------------------(Pairing switch)--/ ----------------PIN 32 ULF Eject box, 18 Pin elo connector ===================================== Pin-7 Pairing Button------------PIN 32 Pin-8 12v+ ign Pin-10 12v+ Pin-17 Ground. So once I'd made my mind up, I started by getting the 54pin plug from the dealer, as it was on back order, I looked around and came across the same plug used by Audi for there BT module, I ordered the plug and connectors, and they were here within 3 days. 54 Pin connector £1.47 Audi Dealer - Audi p/n 4e0-972-144. Pins for connector £0.97 ea (x10 = £9.70) Audi Dealer - Audi p/n 000-979-010. Got a BT ULF, Gen 3 with Voice control Several things of eBay: Telemute Harness--------£9.50 Pair button ---------------£1.30, I didn't bother with the eject box as the phone is always charged and BT enabled. Leads (Mic & Switch)-----£4.49, used 2.5mm speaker lead. (as they don't have to carry any high volages, I thought this would be OK, and it seems to work OK). Then I made up the 54pin plug. Cut and modded the telemute lead to include the ULF connectors and soldered and heatshrank the joints, followed the pinouts from the radio module and ULF (this is just an example). I had to get several bits from the dealer (its hard to beleive but they were cheaper than eBay) Antenna, antenna fakra lead, antenna braket and mic. Plugged in to test, and the satnav detected the BT module straight away. then select phone Go through pair process and bobs you uncle. Total outlay is approx £180, sound quality is much better than that of the nokia kit and I now have full intergration with the MFSW/ Satnav display, as well as voice control, the phone book has transfered and you can use the buttons on the display to call and receive calls. Well pleased with the results. For 54pin to 26pin convertion use the following pin guide. 26 PIN PLUG CAR----------------------54 PIN ULF PLUG PIN 16-------------Ground PIN 03-------------Ground---------------------PIN 36 PIN 04-------------Unswitched-12V(+)---------PIN 17 PIN 05-------------Ignition-12V(+)-------------PIN 35 PIN 10-------------Radio-Mute-----------------PIN 51 PIN 20-------------Ground-for-Mic--------------PIN 21 PIN 15-------------Microphone-(+)--------------PIN 1 PIN 17-------------Microphone-(-)--------------PIN 54 PIN 19-------------Speaker-(-)-----------------PIN 3 PIN 25-------------Speaker(+)------------------PIN 13
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Sept 03, M3, Silver Grey. Retro-fits: Modded Mk4 DVD Drive, OEM Bluetooth, VR Control, Rainbow Speaker Upgrade, Sony SOT Amp, HK Sub, CCFL, Intravee II, NightMode. Last edited by ccfj1; 03-04-2008 at 04:12 AM. Reason: typo |
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Thanks, Its all working very well and with Jochens navcoder, I have the VR working as well. Much better than the Nokia kit.
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Sept 03, M3, Silver Grey. Retro-fits: Modded Mk4 DVD Drive, OEM Bluetooth, VR Control, Rainbow Speaker Upgrade, Sony SOT Amp, HK Sub, CCFL, Intravee II, NightMode. |
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