1987 bmw 635csi

my cat. is glowing red hot and the car is not running


1 thought on “1987 bmw 635csi”

  1. Generally when the catalytic converter is glowing it is from an excessive amount of unburnt fuel getting to the converter and burning there. This is an indication of a RICH condition.
    Start with the check engine light codes if you have any post them below in the comments. Could be as simple as a tune up or a vacuum leak.

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