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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 03-04-2014, 07:25 PM   #1
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Join Date: Mar 2014
Location: Srbija
Posts: 1
My Ride: bike
New to BMW, help for OBD.

My brother just got a new e46 318i petrol 118HP, 9month 1999year. It is for EU.
Anyway, ow I'm his mechanic and electrician for the car.
I have a VW KKL 409.1 blue cable. And I managed to connect to engine, with INPA, to clear some check light error codes, to see some engine live parameters (lambda, throttle, CTS, IAT...). The problem is that I can't connect to other modules like AirBag, Immo, Locking, ECC. Only engine works.

The car has 2 diagnostic connectors, one is 16pin, above the pedals, which have only 4 pins populated (4,5,7 and 16), and the other is round, 20pin, in the engine compartment, and has populated pins:1, 2, 7, 14, 16, 17, 19 and 20. With the blue KKL cable I connected to 16pin socket.

So, if someone can, please, clear me up whats it all about with these 2 connectors, do I need another adapter to connect this VW KKL cable to the 20pin connector, and will I be able to access other modules this way?

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Old 03-05-2014, 04:56 PM   #2
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Join Date: Nov 2006
Location: Lancaster, PA
Posts: 1,440
My Ride: bmw 328i sedan (E46)
you need to either connect to the 20 pin or bridge pin 2 to 17 and 2 to 20 like this...

do this at your own risk, it worked for my US 1999 328i, I don't know if the EU are wired differently (I doubt it)


Last edited by BDUB328I; 03-05-2014 at 04:57 PM.
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