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525i spark plugs

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Old 11-27-2011, 06:12 AM
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How long do these iridium sparks last? My other car, a Toyota 4Runner, also uses iridium spark plugs, and they need to be change every 30,000 km!
Old 11-27-2011, 09:33 AM
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If you buy the BMW recommended spark plugs, they (BMW) reckon they should last you 100,000kms
Old 11-27-2011, 10:25 AM
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It all depends on driving style. I just had mine replaced at 94000 for the first time. I could of waited to 100k but decided to do all my services at once. It you are a hard driver I would not replace them no later than 50k.
Old 11-27-2011, 02:24 PM
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As stated, typically its a 100,00 mile service and your idrive should tell you how long until your next change.
Old 11-28-2011, 08:31 AM
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Originally Posted by Akita
How long do these iridium sparks last? My other car, a Toyota 4Runner, also uses iridium spark plugs, and they need to be change every 30,000 km!
The Technical Adviser for BMW Car Club of America recommends replacing spark plugs at 60k miles. I changed mine out and was glad that I did- the old plugs were fouled.
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