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  #11  
Old 11-27-2018, 10:35 PM
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Quote:
Originally Posted by mr_robot View Post
Intermediate levers (I.L.) are the rocker arms that changes the amount of lift on the intake valves via the eccentric shaft. Basically a 3rd camshaft to control the intake valves aka valvrtronics. BMW released a SIB for N62 motors for out of tolerance rockers (IL) to be the cause of random misfires on cold starts.

Should not affect once warmed up. So the symptoms also aren't there on warmer climates so maybe that is why there was no recall just on "customer complaint basis"


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  #12  
Old 11-27-2018, 11:25 PM
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Just thinking out loud my car has the resonator deleted by previous owner with just two separate straight pipes. Would this cause a misfire due to loss of exhaust scavenging?


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  #13  
Old 11-28-2018, 11:03 PM
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Possible bad IVM (Integrated Supply Module)?


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  #14  
Old 11-28-2018, 11:12 PM
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Didn't know suck thing existed but just googled it and worth a try. Although it's not sluggish like this article:

http://www.bmwlogicseven.com/?p=3812


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  #15  
Old 11-28-2018, 11:15 PM
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Didn't know suck thing existed but just googled it and worth a try. Although it's not sluggish like this article:

IVM or why my engine runs sluggish??? N62 applies to ALL cars with it. E53/e65/e60/e63/e64/e66 | BMW LOGIC7


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Mine isn't sluggish either, but I generally don't drive off until after it's done it's idle-dance. Then it's smooth as butter.
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  #16  
Old 11-28-2018, 11:17 PM
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So you replaced the IVM? It's cheap enough and easy enough to swap it seems.




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  #17  
Old 11-28-2018, 11:20 PM
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So you replaced the IVM? It's cheap enough and easy enough to swap it seems.




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I haven't yet. My indy said to replace it once it starts throwing codes and the dance lasts longer or doesn't stop. I may just change it earlier anyway. Said he sees plenty of N62 cars with bad IVMs.
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  #18  
Old 11-29-2018, 12:00 AM
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Ok ordered one, finger crossed.


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  #19  
Old 11-29-2018, 01:18 AM
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Susbcribed. Curious about this. Where is the IVM in our cars anyway?
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  #20  
Old 11-29-2018, 03:05 AM
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Yep, keep us updated. Had planned on replacing my IVM as well preventatively as it is not too expensive.

Slick... if I recall it's in the fuse box under the hood on the passenger side.
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