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E60 535i Engine Noise

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Old 09-20-2013, 01:10 PM
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Default E60 535i Engine Noise

I have been having a misfire near the top end. I have a jb4+ but uninstalled it a couple months ago. Today I was planning on installing it again to pull the codes and try to diagnose. I started my car to pull it in and I heard what sounded like valves to me. Is this normal on a cold engine? I haven't heard it before because the hood insulates the sound. I have also ordered new spark plugs.

Here are the links to the videos.

E60 535i Engine Noise 1 - YouTube

http://www.youtube.com/watch?v=rhfqx...ature=youtu.be

Last edited by wbrentr; 09-20-2013 at 01:26 PM.
Old 09-21-2013, 07:20 AM
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sounds like piston slap too me. Not uncommon on cold engines in the automotive world.
Old 09-21-2013, 07:50 AM
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Sounds normal. DI injectors are LOUD - that's why there's 5 pounds of sound insulation under the engine cover.
Old 09-21-2013, 08:59 AM
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Thanks guys. I thought it might be normal as it was cold, but just never heard it before because of all the insulation. I plan on getting new spark plugs and if that doesn't fix the misfire, coils are next.
Old 09-21-2013, 09:05 AM
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I'm going to check mine, that doesn't sound that nice to me but I do hear a ticking sound.
Old 09-21-2013, 12:52 PM
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It's normal. When I had my engine cover off for day doing coils and vacuum line replacements it sounded like that on start up.
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