JCW Plugs ARE 1 range colder than S plugs.
You do not need to go any colder than the JCW Plug.
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Way Motor Works New Member
It's already been said but I only recommend the JCW NGK plugs, they are the most reliable.
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Crashton Club Coordinator
I believe the JCW plugs are 1 heat range colder than the standard MCS plug. Could be wrong, but I seem to remember reading that somewhere.
Why do you believe you need colder plugs? -
ScottinBend Space CowboySupporting Member
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Crashton Club CoordinatorLots of folks seem to have issues with all the latest & greatest plugs. NGK FTW, at least for my money.
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Mr. Jim MudsharkLifetime Supporter+1
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Jason Montague New MemberLifetime Supporter:cornut: I was just wondering..........what(generic market equivalent)kind of plugs does Mini put in my car(08 R56 MCS/JCWm)? Yes I know that they are Mini plugs which means that some one else made them and put the Mini/BMW brand on them but, who makes them and how do they equate to the NGK plugs that y'all are talking about?

Jason
Addendum: Well I answered my own question by going to y'all's site. You don't carry plugs for 08 R56 JCW engines. You only carry them for the MCS. Oh well. -
Mr. Jim MudsharkLifetime Supporter
They are NGK's not MINI.....
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Crashton Club Coordinator
If one looks closely at the MINI plugs they are indeed marked NGK...
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Dave.0 Helix & RMW PoweredLifetime Supporter
You can also get them here cheap.
05 2005 Mini Cooper Spark Plug - Engine Electrical - AC Delco, Bosch, Champion, Denso, Motorcraft, NGK - PartsGeek