5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
Actually found the answer in the forum, by bluevee, and all works now, thanks:
1. Remove ignition key
2. Pull vanity mirror light escutcheon away using just finger force
3. Test bulb with VOM; if infinite resistance ... buy 6411 13.5Volt 10 watt bulb
4. Replace bulb
5. Turn ignition on, pull down visor, and slide vanity mirror door open; both bulbs should light up
Note: All three switches must activate (ignition, visor position, mirror-door position) for the both lights to light in unison.
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