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Z4 Whistle

Discuss problems you have had or are having with your Z4
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nclem1133
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Z4 Whistle

Post by nclem1133 » Fri Aug 17, 2018 4:48 pm

So.... Ive read way too much and still know nothing, i just bought an 05 z4 2.5. It has 75k miles on it and im wondering if at this point its normal for it to whistle in neutral and while driving under light pressure. Like 2k rpm anything before or after no noise. I bought a new intake hose and disa valve already havent put them on as my disa is good but hopefully the whistle stops when i replace the hose. If you have any info let me know.

G600
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Z4 Whistle

Post by G600 » Fri Aug 17, 2018 5:37 pm

Probably a split intake pipe there's on that connects the intake to a breather that often splits.
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nclem1133
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Z4 Whistle

Post by nclem1133 » Fri Aug 17, 2018 5:42 pm

do you think its anything for me to stress about right now, or am i good to drive until i throw the new intake pipe in. ive already put 500 miles on with the whistle and no hesitation or problems other than that

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Chris_D
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Z4 Whistle

Post by Chris_D » Fri Aug 17, 2018 7:28 pm

nclem1133 wrote: Fri Aug 17, 2018 5:42 pm do you think its anything for me to stress about right now, or am i good to drive until i throw the new intake pipe in. ive already put 500 miles on with the whistle and no hesitation or problems other than that
Shouldnt be a massive problem.
I drove all the way back to Holland from Wolverhampton with a leaky whistly intake boot without issue.
I'd swap your new one in asap tho as its a 10 min job tops!
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nclem1133
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Z4 Whistle

Post by nclem1133 » Fri Aug 17, 2018 10:18 pm

Chris_D wrote: Fri Aug 17, 2018 7:28 pm Shouldnt be a massive problem.
I drove all the way back to Holland from Wolverhampton with a leaky whistly intake boot without issue.
I'd swap your new one in asap tho as its a 10 min job tops!

Awesome man im gonna take care of it tonight, people had me scared saying it was all kinds of messed up stuff, lol

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