Date: Sun, 22 Jul 2001 21:53:25 GMT From: "Nisse Hult" <no.spamnopsama.com> Subject: Re: 900i driveline noise
I have a -87 900i and it have a turbine like sound, I think it come from the intake side of the engine. The valve just after the airfilter can leak and make some sound. Check it. /T "Warren Pattinson" <yalandanopsamond.com> skrev i meddelandet news:Dyq37.2$a04.176nopsamfeeds.bigpond.com... > Hi > > I've just purchased a 1992 900i 2.1 16v manual coupe with 120,000 km on the > clock and am a little concerned about a noise in the driveline. Wasn't aware > of it at the time of the test drive - just too impressed with the amazing > refinement of the vehicle, it's zip and zap, road holding, steering etc. to > notice it. > > Here's my description of the noise: > > . sounds like reduction gearing but not gearbox - a whirring sound > . present at all times, even when gearbox is in neutral and coasting > . synchronised with wheel speed, and easier to hear at lower vehicle > speeds - say around 20 km/hr > > My guess, without knowing the internals of the driveline setup is deduction > gearing associated with the differential/final drive. > > Any guesses on whether I have a real problem, or is it a characteristic of > that design vehicle? > > Warren P. > >
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