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Old 02-15-2020, 09:42 PM
Funkee Funkee is offline
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Need help to decipher fuse diagram

Hi all. My dash pop up a warning, right brake light malfunction. I want to check the fuse first before going to the dealer for bulb replacement. Can someone decipher the crazy diagram. I dont' know which one is the right brake light. Thanks!
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Old 02-19-2020, 10:08 PM
*-jester-* *-jester-* is offline
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Old 02-20-2020, 02:42 AM
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Doug Huffman Doug Huffman is offline
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There are probably - depending on precisely what car / platform - probably NOT fuses associated with individual lights, no fuses to check.

Late model BMW have an external light monitoring function that sends frequent milliamp pulses through all external light circuits to notify of a failed bulb - a continuity check.

A fuse protects against over current - short circuits - and that is accomplished in late model BMW by electronic circuit-breakers that reset automatically a few times. Then you must replace the module serving the function.
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