E60 535d - Chirping / 'Crickets' noise from engine bay

Man of Honour
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17 Oct 2002
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Retired Don
Hi guys,

My car has suddenly developed a sound from the engine bay, which kind of sounds like and has the same rhythm and the sound that crickets make!

Anyone got any ideas what it may be?

Thanks,
Mal
 
Soldato
Joined
22 Nov 2006
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22,122
It's the fuel pump, I had this exact problem with my GT86 (pretty common on the 2012-2015 ones) until it was replaced under warranty.
 
Soldato
Joined
22 Nov 2006
Posts
22,122
It might not actually be a problem, just annoying. With some certain fuel causes it and others don't, so it may go away after filling up again.

This is the sound right?

 
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Man of Honour
Joined
17 Oct 2002
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Location
Retired Don
Bit of a development on this one!

This morning I heard a pop and then steam coming from the bonnet and the coolant light came on.

For breakdown out and they said it's the auxiliary belt and the water pump. The pump bearing had probably gone and seized, and shredded the belt.

Getting it sorted early next week - hopefully it's nothing else!

Mal
 
Caporegime
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25 Nov 2004
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25,203
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On the road....
Bit of a development on this one!

This morning I heard a pop and then steam coming from the bonnet and the coolant light came on.

For breakdown out and they said it's the auxiliary belt and the water pump. The pump bearing had probably gone and seized, and shredded the belt.

Getting it sorted early next week - hopefully it's nothing else!

Mal
What’s the sod’s law likelihood that once the belt & pump is fixed the noise remains? :D
 
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Soldato
Joined
1 Mar 2010
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17,165
How did you select the garage for the recovery tow - where you have had work done before ? or BM themselves,
I always mean to find a regular servicing garage close to home, as opposed to work, say.

hope it's just the pump - (maybe a bmw plastic vs metal impeller dilema, like e36 used to have?)
 
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