Drivetrain (Cooper S) MINI Cooper S (R56) intakes, exhausts, pulleys, headers, throttle bodies, and any other modifications to the Cooper S drivetrain.

Drivetrain Spark plugs R57

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Old

Aug 12, 2018 | 02:34 PM

#1

Rockett2002

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Neutral

Joined: Mar 2017

Posts: 2

Likes: 0

Spark plugs R57

I replaced the plugs after 70k miles. Performance was ok, but I was overdue. I bought ZR-7-SI-332-S Bosch Plug through ECS tuning and noticed immediately I don't have the big boost anymore when I floor it. I checked the gaps, .025. Any tips of this? I searched around but a lot of conflicting info out there.

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Old

Mar 18, 2019 | 03:31 PM

#2

Cesar_lopez

1st Gear

Joined: Sep 2017

Posts: 20

Likes: 1

conflicts ? like what ? I have does im planning to replace them with 1422 I think I lost a bit of power too

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Old

Mar 21, 2019 | 04:31 PM

#3

cyberlunacy

3rd Gear

Joined: Dec 2018

Posts: 211

Likes: 15

From: Cedar Rapids, Iowa

from what i read colder plugs lose power in cold months.
i dont know at what temp it can be felt but , thats what i read.

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r57, spark plug, spark plug gaps

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