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 Post subject: BMW 116I Vanos Unit Issues
PostPosted: Sat Apr 23, 2011 2:11 pm 
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Joined: Thu Sep 23, 2010 5:45 pm
Posts: 8
Hi Guys

I have got issues with my car, its idling strange adn i thought this is was missing on a cylinder. After changing the plugs it contiunes. This only happens intermittently usually when the car is warm.

Last night it showed me the oil level was low so I let it cool down, went back out and checked it and it was near the maximum limit.

I a local garage who plugged it on the diagnostics and it gave the below codes and said i would need to head to the dealer for a Vanos unit.
2A83 - Vanos Intake
2A88 - Vanos Exhaust
2B63 - Camshaft Sensor, Exhaust.

As its the easter weekend i cant take it to the local BMW garage to check it out as they are shut. Im supposed to be driving ot Newcastle tomorrow from Chesterfield and back on monday, about a 300 mile round trip. I need advice. Should it take it? And how much is a Vanos unit replacement?

Sorry for the essay and cheers in advance.

Kit


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 Post subject: Re: BMW 116I Vanos Unit Issues
PostPosted: Sat Apr 23, 2011 2:22 pm 
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Joined: Sun Dec 26, 2010 12:29 pm
Posts: 153
don't know if this might help. Read in a magazine that he's the top man for the job, and is a hell of alot cheaper than the dealers

http://www.mrvanos.com/


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 Post subject: Re: BMW 116I Vanos Unit Issues
PostPosted: Sat Apr 23, 2011 2:41 pm 
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Joined: Tue May 25, 2010 4:52 pm
Posts: 92
Location: west sussex
I was always under the impression not to take chances with the vanos as should it stop working correctly it can cause a lot of damage?


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 Post subject: Re: BMW 116I Vanos Unit Issues
PostPosted: Sun Apr 24, 2011 10:10 am 
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Joined: Fri Sep 19, 2008 10:17 pm
Posts: 92
I would first check the camshaft timing those fault codes are normally present when the timing starts to skip on the exhaust cam. Take the rocker cover off ant turn it to TDC and check the position of the camshaft lobes and you will probably find them not in sync.


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 Post subject: Re: BMW 116I Vanos Unit Issues
PostPosted: Mon Apr 25, 2011 10:45 am 
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Joined: Tue Dec 14, 2010 6:52 pm
Posts: 413
My dads SAAB started kangarooing and misfiring, I plugged in my meter and read a Camshaft position sensor fault. He had the cam position sensor replaced and the MAF which also turned out to be faulty, problem solved. I recon the cam position sensor is causing your problem and may be generating the fault on the vanos because it will not be working properly due to the sensor.

In its current state i wouldn't be driving the car through fear of causing further damage.

_________________
2007 BMW 130 Msport LE
Previous 2008 BMW 123d SE with the Aerodynamic Kit.
Previous 2003 BMW Z4 3.0i SE.
Previous 2004 BMW 525D SE with the Full Msport Kit fitted myself.


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 Post subject: Re: BMW 116I Vanos Unit Issues
PostPosted: Tue Apr 26, 2011 3:25 pm 
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Joined: Thu Sep 23, 2010 5:45 pm
Posts: 8
Thanks for your help guys. Its down at the local dealer now so we will see what they say. I never took it to Newcaslte in the end, it stayed on the drive. Ive let them know I think it would be a camshaft sensor or the camshaft timing on your recommendations.

Cheers Guys, truly appreciate your help. Hope it doesnt cost too much!


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 Post subject: Re: BMW 116I Vanos Unit Issues
PostPosted: Thu Apr 28, 2011 9:54 pm 
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Joined: Thu Sep 23, 2010 5:45 pm
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Another update guys, it took 4 hours to diagnose the fault, turns out the plastic guide for the timing chain has snapped and bent a few sprockets. That has then gone into the sump. It needs a new chain, new sprockets, oil flush and the sump needs clearing. Apparently a 7 hour job, parts and labour coming to a small £1360. The car is just over 6 months old and only done 71k.

I asked my dealer if this can be done on good will, they said my car was too old which i wasnt best pleased with. If a non servicable part goes at 71k it doesnt say much for BMW reliabilty (i wouldnt even expect a timing belt to have issues at this mileage never mind a chain). So i spoke to BMW UK. They said it could be doen on good will and to go back to the dealer. A few phone calls later and with BMWs backing my good will application is in place. Will see what they offer as good will. Im hoping it should cover the full cost. I wish the dealers wouldnt try it on in the first place and would save me alot of hassle!! :x


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