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JCW Spark Plugs ...............

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Old 04-14-2019, 10:30 PM
dube53
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JCW Spark Plugs ...............

Last week, I received OEM new spark plugs. The part number on the box is 12 12 0 035 933. Curiously, the porcelain is stamped as "champion 12ZR-6SP03. There are different numbers and digits stamped on the metal part with also "Made in France".

Is there anybody who can confirm I have the right parts for the N18 JCW engine before doing the job?

I am asking because the Cooper S plugs look different from pictures and don't need service as early as the JCW 20-30K interval.
 
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Old 04-15-2019, 09:43 AM
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With that OEM MINI part number they looks like the Base ( NON S) MINI Cooper plugs for a N12 engine.


https://www.ecstuning.com/Mini-2013-...gine/Ignition/

Your plugs OEM Part 12122293697 or 12ZR6-SPP2 -1 or 12ZR-6SPP2-1

Did you get them from us? Looks like oem used to be beru and they switched to Champion of France.
 
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Old 04-15-2019, 08:10 PM
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Originally Posted by ECSTuning View Post
With that OEM MINI part number they looks like the Base ( NON S) MINI Cooper plugs for a N12 engine.


https://www.ecstuning.com/Mini-2013-...gine/Ignition/

Your plugs OEM Part 12122293697 or 12ZR6-SPP2 -1 or 12ZR-6SPP2-1

Did you get them from us? Looks like oem used to be beru and they switched to Champion of France.
No. I will have to call the vendor. I may have the wrong ones.

This is also strange I received 10 instead of 4 and the packing slip was from a large BMW/Mini dealer from NY state.

But...... something tells me they may also be right as a superseded part number being 12ZR-6SP03 that probably identify a different BMW supplier from the last 3 digits.
 

Last edited by dube53; 04-15-2019 at 08:55 PM.
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Old 04-16-2019, 05:20 AM
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Ok, let us know what you find.
 
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Old 04-20-2019, 06:12 PM
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Originally Posted by ECSTuning View Post
Ok, let us know what you find.
I am surprised you don't know since you sell OEM parts.

Anyway, I removed the old ones and they are the same Champion. The new ones are without the 3 blue rings on the porcelain.

Bottom line, for those who own a JCW, changing the spark plugs at 20K instead of 30K as recommended by the manufacturer is not a luxury. They were OK but I understand now why they replaced them twice during the factory maintenance. So it's the 3rd set from new now.
 
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Old 04-20-2019, 08:17 PM
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Also.......

Where can I find replacement for the clip-on covers protecting the ignition coil wires over the valve cover? There is no reference to these parts in Real OEM.
 
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Old 04-22-2019, 12:27 PM
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I know, but MINI likes to do supersessions and then they don't update the etk nor anything else and release bulletin internal. Only when there is a massive change over do they update the etk or i just randomly come across it.

I have not found the separate part number for that cover. I know its not part of a new valve cover,. If i did and find it i will post up, I am guessing its part of the wire harness.
 
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Old 05-03-2019, 07:44 PM
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They are Champion plugs. I went with NGK on my last N18 car and switched back to Champion OEM plugs
 
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