New Z3 owner has a question
I recently picked up a 2000 2.8 roadster locally and have been having fun driving it in the waning days of top down weather here in PA.
Anyway I have noticed a couple of things I'd like to get clarification on if you all would be so kind.
First, there is a ckunking noise that often happens under the car when I shift from 1st to 2nd. It happens as soon as I depress the clutch. I do not feel it in the pedal and it is a rhythmic sound - bachunk-chunk-chunk - at about 4 Hz with a dampened amplitude - like dropping a bowling ball. It seems only to happen with the 1 - 2 shift. Clutch release seems normal although being new to the car I sometimes get my timing off. Note also that it makes this noise sitting still but not every time.
Second, there is a whistling sound that appears when I accelerate. Barely perceptible, a clear, fixed pitch whistle. Too much or too little gas and it goes away. Seems to decrease as the engine warms but it is still there.
Third, there is a little panel that sits next to the top up/down switch that has an LED and an aluminizaed hole/aperture of some sort. Can't find it anywhere in the manual. What is it??!
Thanks so much for your help. What a great car and supportive community her!
Re: New Z3 owner has a question
sorry... I meant 'here'.
The little panel is a glass breakage sensor
It is tied into your car alarm.
I can accept that, but...
doesn't it seem a bit strange to put a glass sensor in a car with an easily slittable cloth top?
Most alarms are universal in application,
not roadster specific.
96 1.9 Z3 black/tan/black
97 M3/4 estoril/gray
08 Kubota 3400 HST orange/charcoal
08 GMC Sierra stealth gray/gray
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Re: I can accept that, but...
The would-be theives can slit the top, but they can't easily reach anything important (like the door handle), and the top bows are too close together for someone of normal size to crawl through. I've had my top slit twice, but the car wasn't entered and nothing was stolen either time.
On the other hand, the theives can slit the back window and crawl across the trunk lid, then between the roll hoops to get in (had that happen once), or the easiest thing to do is break a side window and open the door (had that happen once, too).