Quote:
Originally Posted by edco
I've not quite hit 50K on EITHER my wife's 04 325Ci or my 06 3.0 X5..
I wasn't planning on EVER replacing the plugs since at the rate we're going it'll be another 5-6 years before we are even close to 100K (the recommended change point).
Is there any value in changing them early ? mileage, power, etc or is it only noticeable on the 4.0+ engines..?
ed
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Plugs are a mileage thing. Seeing as BMW says OE plugs are good for 100,000 miles, you are only half way there. Yours should be fine for another 40,000 or 50,000 miles, but if you want to go James's route and change them now, you will still have to change them at 100,000 miles if you use the cheaper after market plugs. Unless changing plugs gets you off, you still have a lot of miles left on yours.