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Main relay coil resistance spec.
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Originally posted by rares View PostI just checked mine as part of a diag issue and found it to be between 3.4mega ohms and 9.15mega ohms depending on temperature. White, 5 pin, double 87.
Can anyone confirm or deny. Is that normal?
Thanks
Are you sure you're reading mega (M), and not milli (m)?
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I've read some places it's roughly 70ohms across the coil.'84 318i M10B18 147- Safari Beige
NA: 93whp/90ftlbs, MS2E w/ LC, 2-Step
Turbo: 221whp/214ftlbs, MS3x flex @ 17psi
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hey guys, just wanted to update everyone on this so we can get thread closure for those maybe checking this later on. I went to the dealer and tested a brand new main relay. Because there are two diodes in there facing each other, the resistance is about 4-10k OHMS... that is normal... so if anyone is in need of that info... there it is
Resistance spec on 85-86 on the main relay of a late model e30 is 4-10kohms...
good luck everyone...sigpic
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