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post #1 of 6 Old 21st February 2019, 04:12 AM Thread Starter
Sad7021
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Funky noise

Hey guys I have an E39M5 with Dinan cold air intake. All of a sudden I started to get loud air intake sounding shifts. Hard to explain but sounds like an 18 wheeler going g through the gears. Kinda like when the car is just getting warmed up . Usually goes away after its warmed up but it is not going away. Any ideas?
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post #2 of 6 Old 21st February 2019, 05:09 PM
xrviz
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You need to give us a general idea of where the noise is coming from and post a video.
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post #3 of 6 Old 21st February 2019, 05:14 PM Thread Starter
Sad7021
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Don't k how how to post a video. Sounds like it is coming from the engine. In took a video while driving but I can't upload it
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post #4 of 6 Old 21st February 2019, 06:34 PM
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all I hear when a semi is next to me rowing gears is the pusher fan. Itís not intake noise, but it is air noise and could be what youíre hearing. The engine fanís clutch might be failing, causing it to spin too fast as rpmís increase.
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post #5 of 6 Old 26th February 2019, 06:15 AM Thread Starter
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Funky noise update

Ok all th AZ bks for the help. It was the fan clutch. I replaced it myself and the m5 is running like a champ again.
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post #6 of 6 Old 3rd March 2019, 05:01 PM
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