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02-02-2013, 12:55 AM
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#1
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2nd Gear Member
Join Date: Aug 2009
Location: Grimbsy
Posts: 80
Car: E36 325is
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transmission whistle???
i have a bmw e36 325is (m3 swap from 98), i just had a small leak fixed on my transmission, and had a new hanger bearing installed aswell (completely shredded). From a cold start, in all the gears i heard a whistling noise coming from my transmission, but when i clutch in, the noise stops. it seems to occur when under load. When my car is fully warmed up the noise stops. i did some research and no solid explanations. before i got everything fixed it never had made that noise.
has anyone had this problem?
thanks,
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02-02-2013, 05:55 AM
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#2
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'OldSchool..'
Join Date: Sep 2005
Location: Burlington
Posts: 2,353
Car: .
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few things come to mind:
need a new clutch/flywheel
need a new throw out bearing
__________________
'You don't buy all that jewellery and stick it on an ugly person.'
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02-02-2013, 10:40 AM
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#3
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2nd Gear Member
Join Date: Aug 2009
Location: Grimbsy
Posts: 80
Car: E36 325is
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okay, ill defiantly look into that.
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02-02-2013, 10:54 AM
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#4
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2nd Gear Member
Join Date: Aug 2009
Location: Grimbsy
Posts: 80
Car: E36 325is
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could it possibly the type of fluid used aswell? my clutch seems fine, not slipping or anything. because once my car is warmed up it goes away..
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02-02-2013, 11:34 AM
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#5
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'OldSchool..'
Join Date: Sep 2005
Location: Burlington
Posts: 2,353
Car: .
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dont think fluid will cause that noise.
__________________
'You don't buy all that jewellery and stick it on an ugly person.'
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02-02-2013, 12:07 PM
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#6
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2nd Gear Member
Join Date: Aug 2009
Location: Grimbsy
Posts: 80
Car: E36 325is
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i was reading on m3forum.net, and it could possibly be an input shaft bearing.
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02-02-2013, 01:34 PM
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#7
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überwacht Sie
Join Date: Dec 2012
Location: Planeten-Erde
Posts: 3
Car: (OO=[][]=OO)
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Judging by your symptoms my number one suspect would be the input bearing on the diff.
Seen this issue quite a few times.
__________________
Officer Douche Bag: " you know, I should give you a ticket for your exhaust being so loud"
Me: " In that case, shouldn't you be ticketing every Harley motorcycle you come across, surly they are louder then I am ? "
Officer Douche Bag: "Oh no, they came from the factory like that, it's obvious you modified your exhaust to make it louder, here is your ticket"
Me: "Have a great day officer"
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02-02-2013, 04:49 PM
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#8
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2nd Gear Member
Join Date: Aug 2009
Location: Grimbsy
Posts: 80
Car: E36 325is
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im probably going to call RMP and have them diagnose this problem.
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02-03-2013, 11:00 AM
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#9
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Hatters gon Hatt
Join Date: Feb 2004
Location: San Diego, California
Posts: 5,032
Car: 318is roadtriper
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clutchy 
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02-03-2013, 11:33 AM
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#10
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5th Gear Member
Join Date: Mar 2008
Location: Jewtown
Posts: 1,061
Car: E34 M5 Euro
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Input shaft bearing on the tranny. Get M0S2 Anti-friction paste for gears by Lubro Moly, squize it into the tranny and the noise will go away.
__________________
1990 M5 Euro
You wash your car like it was your firstborn child, you tend to its needs like it was your own body, you protect it like it's your family, then you drive it like you stole it 
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02-03-2013, 11:54 AM
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#11
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2nd Gear Member
Join Date: Aug 2009
Location: Grimbsy
Posts: 80
Car: E36 325is
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Where can you get this paste???
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02-03-2013, 01:54 PM
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#12
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2nd Gear Member
Join Date: Jul 2011
Location: Michigan / Hamilton
Posts: 218
Car: 1995 325is
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Definitely bearing, I had the exact same problem. Mine was the counter shaft bearing though. Do you hear the noise in 5th gear?
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02-03-2013, 02:19 PM
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#13
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2nd Gear Member
Join Date: Aug 2009
Location: Grimbsy
Posts: 80
Car: E36 325is
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yes i did, in all the gears. i have another transmission that i got earlier this week, if it comes down to it, ill just have the other one swapped out.
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02-04-2013, 12:32 PM
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#14
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5th Gear Member
Join Date: Mar 2008
Location: Jewtown
Posts: 1,061
Car: E34 M5 Euro
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you can buy the paste at Automaster Trading shop. It's on 1170 Sheppard ave West, Unit 27. It's like 10-15$
__________________
1990 M5 Euro
You wash your car like it was your firstborn child, you tend to its needs like it was your own body, you protect it like it's your family, then you drive it like you stole it
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