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General E46 Forum
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Old 04-19-2002, 12:04 AM   #1
BimmerBong330ci
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UUC Short Shift Kit - Please help!

So I had this loud gear whine in the cabin but installed a new SSK yesterday. It's 100% quieter but I can still hear the synchros and gears mesh when I shift gears.

Anyone experience this? I've got the Delrin Bushing upgrade, could this be part of the problem?? I'm getting so bloody annoyed with this! I've even changed the shift knob to a MOMO short anatomic as the stock wood knob was making the noise even louder.

Please help!
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Old 04-19-2002, 12:05 AM   #2
Clem
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Check if the rubber boot is seated correctly.
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Old 04-19-2002, 12:17 AM   #3
BimmerBong330ci
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checked, along with foam insulation. could it be the delrin bushings?
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Old 04-19-2002, 12:19 AM   #4
tim330i
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Re: UUC Short Shift Kit - Please help!

Best bet is to give Rob at UUC a call.

Tim
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Old 04-19-2002, 12:30 AM   #5
Karl
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With such a stiff setup from the selector rod on the transmission to the shift lever, noise transmission from inside the gearbox to the knob is unavoidable. The connection is more direct than you think - the selector rod manipulates additional pieces inside the gearbox that move the gears around. The way you stop this noise is that you need acoustic dampening material in the lever or the rod, between the gearbox and the shift knob. Stock BMW levers have this - the lower and upper sections of the shift lever are connected with semi-stiff rubber. But the stiff nature of the UUC setup (esp with non-rubber bushings) causes this noise to be transmitted into the cabin. It shouldn't be much louder than a "normal" playing volume on your stereo though.
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