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95 E320 Coupe, 11 E350 4Matic P2
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1,082 Posts
Discussion Starter #1
What can happen to my car if I use non Bosch spark plugs in my car??


is it possible to loose power and start shaking at speed up perhaps not speed up at all???

I changed sparks about 4 months I dont think they are Bosch plus.

any ideas??
 

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Chevy Monte Carlo SS
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189 Posts
Yes! I had to find out the hard way, about those platinum plugs. The car ran great for a week,then poor throttle response and rough idle appeared. The platinums were the problem. Bosch coppers are so cheap, why not buy them? The W124 takes Bosch H9DC or H9DCO. The H9DCO has a wider electrode for better burning. The proper gap should be .32.
 
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