Doing my ignition system tuneup on my new 180k mile iS. I'm pretty sold on using Bosch Super Plus Copper plugs (unless somebody has a different idea), but I don't know what parts are the best for the rest of the system, or where to get them. Would prefer to use OEM BMW or equivalent. Where can I go to get this stuff on the cheap, and what brands are suggested?
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Simple ignition tuneup questions.
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