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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning Help! N20 plugs, rough running M235ix

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      05-23-2018, 08:16 PM   #1
MartyMcFly88MPH
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Help! N20 plugs, rough running M235ix

I had a shop change my plugs to the N20 ones gapped at .022. They just called and said the car is misfiring and not liking it at all, even at 3k rpm. Any ideas what the deal is here?

Car is Dinan Stage 2

Last edited by MartyMcFly88MPH; 05-23-2018 at 09:08 PM..
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      05-24-2018, 09:35 AM   #2
Pray for Mojo
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Not all Stage 2 are the same, I would guess your Dinan piggyback doesn't need colder plugs.
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      05-24-2018, 10:18 AM   #3
MartyMcFly88MPH
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Quote:
Originally Posted by Pray for Mojo View Post
Not all Stage 2 are the same, I would guess your Dinan piggyback doesn't need colder plugs.
We are going to try gap them a little lower and see what happens.
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      05-24-2018, 01:11 PM   #4
bryan_G01
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gap to .18 anything higher is for high boost 22+ psi which a dinan 2 is no where near.
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      05-24-2018, 01:43 PM   #5
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Colder plugs aren't needed for a Dinan Stage 2 setup. The only different is you need to change the OEM plugs a bit more often.

Last edited by XutvJet; 05-24-2018 at 01:49 PM..
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      05-27-2018, 09:18 PM   #6
MartyMcFly88MPH
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.018 did the trick. Thanks guys.
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