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M2 Technical Topics > S55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > Tuning the S55 in M2C

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      02-19-2019, 12:07 PM   #1
Lemie420
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Tuning the S55 in M2C

What needs to be done to the S55 in the M2C to match the power output of the S55 in the M3/M4?
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      02-19-2019, 12:15 PM   #2
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Check out the S55 Engine subforum. This has been discussed numerous times.
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      02-19-2019, 12:16 PM   #3
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Engine swap is the only answer.

If you peek under the cover of your S55, it says "M2C "

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      02-19-2019, 12:19 PM   #4
Lemie420
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Quote:
Originally Posted by cntzl View Post
Check out the S55 Engine subforum. This has been discussed numerous times.
Thanks! Will do
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      02-19-2019, 02:10 PM   #5
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Quote:
Originally Posted by dmboone25 View Post
Engine swap is the only answer.

If you peek under the cover of your S55, it says "M2C "

Lol
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      02-25-2019, 07:35 PM   #6
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Quote:
Originally Posted by Lemie420 View Post
What needs to be done to the S55 in the M2C to match the power output of the S55 in the M3/M4?
Flash tune
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      02-25-2019, 09:26 PM   #7
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Flash tunes are super simple to apply and have very low risk(CS or CS+)

Easy 50-100hp gains
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      02-26-2019, 07:13 AM   #8
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Yea, I recently used bootmod3 (BM3) to flash mine to the CS map. It was very very simple and it only took maybe 15 min.

It sounds better now and it's noticeably faster.

If/when I get bored of this map, then I will try out the CS+ ...and then Stage 1.

EDIT: Plus, I'm waiting for winter to end because I'm already having traction issues with just the CS map.

Last edited by nomoracin; 02-26-2019 at 07:23 AM..
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      02-26-2019, 09:49 AM   #9
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Quote:
Originally Posted by nomoracin View Post
Yea, I recently used bootmod3 (BM3) to flash mine to the CS map. It was very very simple and it only took maybe 15 min.

It sounds better now and it's noticeably faster.

If/when I get bored of this map, then I will try out the CS+ ...and then Stage 1.

EDIT: Plus, I'm waiting for winter to end because I'm already having traction issues with just the CS map.
6MT?

With just the stock tune, 6MT, and of course in 1st but also 2nd gear, just rolling on the throttle hard results in spinning the PSS' yesterday under sunny 55F conditions. Attempting to launch the car decently quickly, DSC off, is a challenge with the stock tune at the moment under cool conditions. I know the PS4S has better grip especially on under 60F conditions, but stuck with the OE PSS' for now.
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