BMW K100 Spark Plug
The BMW K100 (1000cc) takes an NGK BPR6ES spark plug, gapped to 0.028".
Key takeaways
- Spark plug: NGK BPR6ES.
- Iridium upgrade: NGK BPR6EIX.
- Gap: 0.028 inch - set it before fitting.
- Covers 1976-1984.
Buy the plugs for your BMW K100
The standard plug is the exact-fit replacement. The iridium version drops into the same spot, lasts longer, and fires a little stronger for a few dollars more. Many engines take more than one - check how many cylinders you have.
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Frequently asked
What spark plug does a BMW K100 take?
The BMW K100 takes an NGK BPR6ES spark plug, gapped to 0.028 inch. The iridium upgrade is the BPR6EIX.
What is the spark plug gap for a BMW K100?
The spark plug gap for the BMW K100 is 0.028 inch. Check and set the gap before fitting a new plug - most powersports plugs need a small adjustment out of the box.
Can I use an iridium plug in a BMW K100?
Yes. The BPR6EIX is the iridium version of the BPR6ES - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your BMW K100
We cover the other consumables for your machine too - the exact fit, cited, in one place.