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Old 09-25-2000, 10:36 PM
Douglas Broome Douglas Broome is offline
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Join Date: Jul 2000
Location: McLean, Virginia
Posts: 254
The shut-off device is one plausible answer, another is if the vacuum pump diaphragm is leaking engine oil into your vacuum system thence to the vacuum line that reaches your ignition key. Do you have any oil seeping out the key slot? That can be fixed by any contortionist. It happened to me once on my 240D. Also,put those nifty little air filters in your vacuum lines at the strategic locations.
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