Does the DENSO IW22 fit the BMW R 100 RS (1976–1980)?
Yes — the DENSO IW22 is a correct fitment for the BMW R 100 RS (1976–1980).
Last verified: 22 July 2026 against 2 independent sources (Cross-brand plug correspondence (NGK + Denso catalogues), Denso Motorcycle Spark Plug Catalogue (official PDF)).
Brakes are safety-critical. Always confirm fitment against your owner's manual before purchase and installation.
Where to buy the DENSO IW22 (price comparison)
Prices captured on the dates shown and may have changed. Links are affiliate links.