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Old 02-12-2020, 11:39 AM
Join Date: Jan 2020
Location: UAE
Posts: 23
B4_685 is on a distinguished road
N63 Bosch 470 Coil pri/sec resistance?

Anyone know the resistance (reactance for you techs) values for the Bosch 0221504470? Been looking around for the specs but Ill be darned if I can find em. Im troubleshooting intermittent misfires on cylinders 1&8 fwiw

Got some hits for other bmws but not this specific one.

Measured the 6 coils I have in storage as spares and came up with:

0.7-0.8 Ohm Primarys

Varying secondaries
3.75MOhm - 5.3MOhm

Most of the coils are around mid to high 4s


Last edited by B4_685; 02-12-2020 at 11:48 AM.
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