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General E46 Forum
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Old 08-13-2012, 04:21 PM   #1
tomthomb
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Unhappy Solved: sound after press acceleration

i was suffer latey from some issues, like air duct, battery, and today i notice that while i warming up the car, i press the accelerator, but i heard a sound comes from engine area, something like trrrrrr (Ticking) , and stop, then when i press again it make the same sound and stop.

what it could be?? :-(

Last edited by tomthomb; 08-22-2012 at 04:39 AM.
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Old 08-13-2012, 05:38 PM   #2
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trrrrrrr bearings. definitely.

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Old 08-13-2012, 06:15 PM   #3
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bearings while the car standing and not moving?! which bearings may cause it plz?, and the sound comes onliny when i accelerate, but when i free the accleration, the sound disappear
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Old 08-15-2012, 05:45 AM   #4
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Thank you for your reply, it's the sound of Timing chain :-(

http://realoem.com/bmw/showparts.do?...71&hg=11&fg=25
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Old 08-15-2012, 10:27 AM   #5
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DISA. The flappidy-flapper-majigger box on the side of the intake manifold. When mine went bad, it would make a sound close to a 'trrrrrr," but with rolling r's.

Or your trrrrr bearings on you pulleys are bad.
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Old 08-15-2012, 01:21 PM   #6
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I have a similar sound, but not a trrrr, it's a vrroom when I hit the accelerator pedal. it also stops when I take foot off pedal.
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Old 08-15-2012, 01:30 PM   #7
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I have a similar sound, but not a trrrr, it's a vrroom when I hit the accelerator pedal. it also stops when I take foot off pedal.
This ... I'm keeping!!!
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I have a similar sound, but not a trrrr, it's a vrroom when I hit the accelerator pedal. it also stops when I take foot off pedal.
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Old 08-15-2012, 05:15 PM   #8
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