Does the DENSO K22TNR-S fit the BMW R 1100 GS (1993–1999)?
Yes — the DENSO K22TNR-S is a correct fitment for the BMW R 1100 GS (1993–1999).
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.