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Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 06-27-2015, 10:37 AM   #1
Registered User
Join Date: Jun 2015
Location: Dombóvár/Hungary
Posts: 2
My Ride: 00' BMW 316i
Unhappy Timing issue :(

Hey guys!

I'm kinda new to this forum

I have a 2000' E46 316i with the m43b16 (164E3) and I'm suffering with this car for a while now... First I had a blown head gasket because of my cracked expansion tank... then my head got cracked because of some similar coolant problems... now I got a new cylinder head installed, my "mechanic" put my old camshaft and cam gear on the new head... the problem is that my car is now gone crazy as hell... no idle when cold, after it warmed up it has 400-500rpm idle which is not even stable, its powerless and misfires frequently under 2500rpm but over that its perfectly driveable

Diagnostics said "Camshaft position sensor error" but after I bought a new one it was the same...

I finished as a mechanic in school myself but I wasnt really interested in it so I'm not really deep into this.

I think that my timing is out of position, everything is on-mark 1. piston is on tdc, but the cam gear has some adjustability and I dont know what is the default position of it... if I put it all the way to the left, the car runs like a diesel car... if its positioned in the middle, the car is just bad... if I turn it all the way to the right it has a 600-700 idle, driveable over 2500rpm, but still misfires and runs bad under 2500 :/

Here are some pics of my camgear position.


and a pic of its adjustability:


Before anyone says the problem is with something other than this:

I changed:

-Ignition coil
-Mass Airflow Meter
-Idle motor
-Vacuum pipes

If anyone could help me with this I'd be very happy! _a_
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Old 06-27-2015, 02:39 PM   #2
Registered User
Join Date: Aug 2009
Location: Ontario Canada
Posts: 966
My Ride: 1999 328i (M54b30)
Cam sensor or cam is still not timed correctly. Could be cam sensor wiring. Ensure it's not damaged
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Old 07-15-2015, 04:52 AM   #3
Registered User
Join Date: Jun 2015
Location: Dombóvár/Hungary
Posts: 2
My Ride: 00' BMW 316i
I feel stupid.... I put a used cylinder head to replace my cracked one but I got a E36 cylinder head installed... its "almost" the same.... except for the size of the intake manifold.... E46 one has bigger intake and it just sucked air into it and that caused the misfiring and bad idle...
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