IIRC many folks are not fond of the Bosch Platinum plugs that are factory spec for the E/S cars.
I have been using NGK plugs with good results and their pricing is much more palatable. Depending on your engine you'd want something between a BP5ES and BP8ES (hotter to colder).
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Chris C.
1973 914 "R" (914-6) | track toy
2009 911 Turbo 6-speed (997.1TT) | street weapon
2021 Tesla Model 3 Performance | daily driver
2001 F150 Supercrew 4x4 | hauler
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