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#1
07-31-2004, 10:36 AM
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Bosch Super 4 copper plugs
Well in my quest for a better plug than the copper plugs we all use. I found the Bosch Super 4. It is a copper/silver plug with 4 ground electrodes. They don't sell it in the US yet but I was able to get my bro to get me some from the UK.
I am installing them today and i'll let you all know what I think, the center electrode is huge... http://aa.bosch.de/aa/en/static/produkte/zuendkerzen/super4/aufbau.htm Quote: The Super 4 spark plug can also be used in older vehicles, allowing them access to the benefits of modern spark plug technology. 
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#2
07-31-2004, 10:42 AM
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INteresting.... I'm not a real big fan of the bosch 4's but I hope these do work, the pep boys comp. told me that my car didnt take coppers so Im just waiting for something bad to happen with the platinums, i only got them to see if all the bad publicity was true. Good luck!
 It sure would be kool if they knocked .4 secs off the acceleration.
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#3
08-31-2004, 10:07 AM
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If anyone lives in Europe go out an get these plugs for your pre 93!!
 I change my plugs ever two years religously and I have not had the same results as I do after changing to this plug. I wish I could have dyno'ed it just to confirm what I know Only 20 quid for a set of 4 for those of you in the UK. Well worth it.
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#4
08-31-2004, 11:52 AM
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Those Bosch plugs are a copy of the Beru Ultra-X plugs that I have used for 5 years on my race car 16V. Very good results on the Beru plugs.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#5
08-31-2004, 04:34 PM
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I was looking for those Ultra X plugs MBDOC, where do you get yours from? My brother lives in England so I was able to get these Boschs relatively easily but if I can find a source here for the Beru I would get those.
Very impressed by the results! If anyone wants to stay away from Plats this is the way to go.
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#6
09-04-2004, 04:58 AM
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I put the Beru Ultra-X plugs in my old 230CE with good results.
Got them from www.eurocarparts.com . British company with branches throughout the UK.
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