BMW E36 316i wing mirror

Following some vandalism, I replaced the entire offside wing mirror assembly/housing with a salvaged unit from a specialist BMW vehicle dismantler.
The electrics were working fine with the damaged unit. Once the replacement was in place I got about 1 seconds worth of electric motor before it all stopped working. Electric windows still work okay. Does this sound like a fuse problem?
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Hope you kept the old one as it's easy to swap the motor assembly.
Have you tried pushing it while someone operates the control? They do sometimes just jam - although the motor will usually run for a short time to take up the slack if you reverse it. Other possibility is a dirty selector switch. They often don't get used for years.
--
*Virtual reality is its own reward*

Dave Plowman snipped-for-privacy@davenoise.co.uk London SW
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