Quote:
Originally Posted by S-Class Guru
3. Spark plugs. We all agree: NON-RESISTOR PLUGS ONLY.
The OEM Bosch H9DC is still the recommended one, but pretty hard (impossible) to find. I bought up a 10-year stock awhile back. I hear there is an NGK equivalent NON-RESISTOR one available - do a search here, tons of info.
DG
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Why does everyone say this? I walked into my dealer, said I needed 6 plugs for a M103, and 2 mins later they handed me a nice box of the H9DC bosch plugs for $20. The dealers have them!
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