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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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Old 02-28-2009, 07:49 PM
redidrum redidrum is offline
redidrum
Location: Indianapolis
 
Join Date: Feb 2009
Posts: 38
Mein Auto: 2001 BMW 525i
Unhappy Codes #p1342 and p#1349 on 2001 525i

Hello Everyone,

I'm a new member and I'm hoping to get as much help here as I got from the Rennlist.com site when I first got my 911sc Porsche.

I have a 2001 BMW 525i that has been the codes #1342 and #1349. My code reader says they are #1 misfire and #4 misfire with fuel cutoff.

My first suspicions are oil fouling plugs, bad coil packs, or both. Read that oil can seep in from valve cover gaskets.

I'm thinking that I'll troubleshoot tomorrow by swapping coil packs to see if problem follows = bad coil packs or the respective plugs #1 and #4 if problem stays at cylinders.

In only get the codes when the car sits for over 12 hours. If I restart the car the codes go away or I can easily erase them with my code reader and the car runs like a million bucks.

Perhaps a MAF issue too? Fuel cutoff? Fuel Filter? I'm guessing that I'll find the coil packs soaked in oil when I open it up sunday. Air, fuel, spark = Happy Bimmer!!

Please Help?

Thank You,

Ron Redifer
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