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  #1  
Old 08-09-2003, 08:19 AM
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which sparkplug coil connector M104?

getting ready for a plug change, figured i would replace the coil connectors while i was at in. in fastlane i have 3 different options 2 Beru and 1 Bosch. what's the diff and which one is recommended?

F1010-107459 Beru
F1010-84561 Beru
F1010-66541 Bosch
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1993 300e-2.8
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  #2  
Old 08-09-2003, 09:08 AM
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F1010-84561 Beru

This replaces the original "under the coil" connector that gives so much trouble... I like Beru better than Bosch on this item as the ones I have seen with a short life have been the bosch..
The compression spring on the end is what fatigues [ from heat intrapment and the lack of a snap connector, is my guess]... the other three don't suffer this problem, so no need to change
[ they are in the open and also have a snap connector--much better design]
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Old 08-09-2003, 09:31 AM
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Thanks Arthur!

BTW, how does it come off and on? I didn't take a close look the last time as I didn't even know about the problem back then.

Cheers...
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1993 300e-2.8
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Old 08-09-2003, 10:47 AM
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The cover comes off .. then you pull the coils straight up..
Don't make the common mistake of trying to unscrew the brass slotted studs that hold the coils.. they are just guide fixtures that ground the coils through a spring friction clip.
Just pull the coils up... you will then see the connectors at the bottom tower of each coil..
Blow the plug recesses out before removing the plugs, and , of course....Bosch Super Copper F8dc4 only

Last edited by Arthur Dalton; 08-09-2003 at 11:20 AM.
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