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Discussion Starter · #1 ·
My car (R56 N14) suffered from random misfires with a stage 1 tune so I swapped the coil packs out with some Delphi ones I got from Autodoc. It improved things slightly but the misfire was still there. When I went to a stage 3+ set up the misfire was awful under any high engine load or high boost conditions as the spark wasn't strong enough. I've now swapped the coils out for Bosch ones and it seems to cope so far with the EVO X spark plugs.

Has anyone running high boost tried any different coil packs or had to gap the plugs down a bit? If so, what plug gap did you end up with?

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Discussion Starter · #2 ·
These are the coils I'm running at the moment. They're the best I've come across in terms of generating a powerful spark when running high boost. Anybody else running anything different?


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Discussion Starter · #4 ·
I think 1320 sell the same ones that I got. The picture on their website looks like the Delphi coils I had previously as it doesn't have the rubber casing running the whole length of it.

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Discussion Starter · #5 · (Edited)
I think 413110187 is an internal part number for Euro Car parts. The Bosch number is 0221504464. Is there anywhere I can get detailed specifications for the 0221504464 Vs the 0221504800 in terms of spark energy? The 0221504464 isn't listed for the Mini but I see it's used on some high powered BMWs.

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Discussion Starter · #9 · (Edited)
Thanks Mort, I'll give them a go and see if it saves me having to gap the plugs down. Hopefully they've got a bit more spark energy than than the 0221504800's that I got.

On the Autodoc site they're not listed for the Mini but they clearly fit...

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2005 R53, 2005 R53 lightweight, 2008 R55S, 2012 R58FJCW, 2014 R60SD All4, 1996 Mini Cooper 35SE.
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the ones I use are the 4464 if replacing any but not for a specific performance reason really, they just work
 
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