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oscar90

E30 M20B25 spark plug Gap

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Hi all,

After the Reccomended Gap for NGK's for the M20b25, my manuals giving 2 different gaps but thats for champion plugs,

NGK BPR6ES plugs

Cheers,

Andrew

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Same gap as in the manual (I forget off the top of my head). That is the correct NGK plug for that motor, and gap should be same as the champions.

Edit - did a quick google. 0.7-0.8mm.

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Cheers all!, went 0.7mm decided i'd go with the lesser in the book and see how it ran

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Plugs don't always come gapped..

Indeed, but the bosch ones say on the packet they are at 0.8mm.

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Plugs don't always come gapped..

All Bosch plugs are gapped, out of the packet for there specific heat range & application... unless some tosser drops them

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