Platinum's features a pure platinum center electrode that's
heat-fused into an extended ceramic insulator for an airtight seal.
Other plugs put platinum alloy just on the tip. This superior design
is what allows Bosch Platinum to reach its self-cleaning temperature
faster, and provide full engine power and improved fuel efficiency
over a long performance life.
Platinum is the first platinum spark plug introduced to the
aftermarket, and remains a popular choice for automotive enthusiasts
and do-it-yourselfers that are looking for a premium plug with
order your Bosch Platinum Spark Plugs, simply click on our Stock
Replacement Parts section and select "Tune-Up & Engine
Electrical" after you choose your vehicle.
87-92 325i, is, ic
88-89 635 CSi
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