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Exhaust Sounds Like Its Blowing On Start Up

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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Nick9one1
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Location: Newark, Nottinghamshire

Exhaust Sounds Like Its Blowing On Start Up

Post by Nick9one1 » Tue May 15, 2018 4:10 pm

Yes that's correct. There's a spring that pushes the lever back open.
Z4 35i Space Gray, Red Leather
Stepped Intercooler
De-Cat Downpipes
HKS SSQV
MHD 98RON Stage 2+
395 BHP :driving:

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Diego_F
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Exhaust Sounds Like Its Blowing On Start Up

Post by Diego_F » Tue May 15, 2018 8:44 pm

Is by any chance that the connection? I’ve read it’s in the left part of the trunk. If so it’s connected.

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2012 E89 sDrive35is Black Sapphire

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Nick9one1
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Joined: Thu Dec 28, 2017 12:48 am
Location: Newark, Nottinghamshire

Exhaust Sounds Like Its Blowing On Start Up

Post by Nick9one1 » Tue May 22, 2018 1:58 pm

Not sure if that's the connection.

I've just removed my flap completely and I no longer have the slight metallic rattle on start up. I guess it was loose.
Z4 35i Space Gray, Red Leather
Stepped Intercooler
De-Cat Downpipes
HKS SSQV
MHD 98RON Stage 2+
395 BHP :driving:

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