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Whine under acceleration

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KrispyR
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Joined: Thu May 24, 2018 9:17 pm

Whine under acceleration

Post by KrispyR » Thu May 24, 2018 10:30 pm

I've had my 23i for a few weeks (75k miles) now and noticed a whine when pulling away in 1st then 2nd. It's almost like a turbine noise, very odd. The road noise drowns it out if it does it in any higher gear.

I've done a few searches and found quite a few with the same issue, and a friend at work (35k miles) has one and its making a similar noise however not as loud or every pull way. Only thing is a lot of the threads have never been updated to see what fixed it / made it better.

Anyone have any info about it and what could help? I've read a few people have changed the gearbox oil.

Thanks!

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buzyg
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Joined: Fri May 20, 2011 6:11 pm
Location: Cornwall

Whine under acceleration

Post by buzyg » Fri May 25, 2018 12:01 am

Is it changing with engine revs or road speed? Where is the noise coming from? Have you dropped a glass of Chardonnay. :o
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Lindo
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Joined: Fri Sep 02, 2016 12:24 am

Whine under acceleration

Post by Lindo » Sat May 26, 2018 7:21 pm

mine was making a whine when accelerating, sounded like the whine you get when you reverse , if you know what I mean, anyway bmw diagnosed it and it ended up being the crank shaft that had splintered off and knackered the engine and turbo, ended up needing a new one of each at a fitted cost of 13.5K, lucky for me I had it checked within weeks and the warranty paid for the new motor and turbo.

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