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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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Old 11-14-2012, 10:55 AM
halltristan's Avatar
halltristan halltristan is offline
Bimmer Enthusiast
Location: Tennessee
Join Date: Feb 2012
Posts: 665
Mein Auto: 325i and X3
Spark Plug Diagnosis

Hey everyone. I've already compared the plugs to a diagnostic chart but I'm hoping you all might give me some good unbiased input. These were replaced today on my '05 X3 with 97K miles on the odometer. I've only had the vehicle a few weeks so I'm not sure if the plugs were original or not; perhaps they were changed at the dealer once before. They seem to show good signs to me, but what do you all think? Anything I might need to know?
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