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      12-07-2021, 05:17 PM   #1
LastBastion1005
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2018 M2 F87 power loss

Hi all,

New M2 owner so apologies for being a noob at all this. I'm still learning as much as I can about the maintenance of my car.

I just bought a used 2018 F87 M2 from a private dealer a few weeks ago. Everything seemed fine on the test drive, but after a couple of weeks it already feels like I lost power. I'm waiting for my OBD scanner to arrive to run diagnostics, but right now I'm using the "Display Power" mode on my headunit and the highest I can hit is 200hp. Are these readings usually accurate using this mode? Am I looking at a potential failed chargepipe?

Any input would be appreciated.
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      12-07-2021, 07:19 PM   #2
PackPride85
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Quote:
Originally Posted by LastBastion1005 View Post
Hi all,

New M2 owner so apologies for being a noob at all this. I'm still learning as much as I can about the maintenance of my car.

I just bought a used 2018 F87 M2 from a private dealer a few weeks ago. Everything seemed fine on the test drive, but after a couple of weeks it already feels like I lost power. I'm waiting for my OBD scanner to arrive to run diagnostics, but right now I'm using the "Display Power" mode on my headunit and the highest I can hit is 200hp. Are these readings usually accurate using this mode? Am I looking at a potential failed chargepipe?

Any input would be appreciated.
Take a peak under the hood where the charge pipe meets the throttle body. Look for a giant crack.
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      12-08-2021, 01:50 PM   #3
M Fifty
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Quote:
Originally Posted by LastBastion1005 View Post
Hi all,

New M2 owner so apologies for being a noob at all this. I'm still learning as much as I can about the maintenance of my car.

I just bought a used 2018 F87 M2 from a private dealer a few weeks ago. Everything seemed fine on the test drive, but after a couple of weeks it already feels like I lost power. I'm waiting for my OBD scanner to arrive to run diagnostics, but right now I'm using the "Display Power" mode on my headunit and the highest I can hit is 200hp. Are these readings usually accurate using this mode? Am I looking at a potential failed chargepipe?

Any input would be appreciated.
Noting the valid point above, are these readings obtained at full throttle at peak rpm? That is the only condition in which you'll get close to an accurate reading.
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      12-08-2021, 02:58 PM   #4
LastBastion1005
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Quote:
Originally Posted by M Fifty View Post
Noting the valid point above, are these readings obtained at full throttle at peak rpm? That is the only condition in which you'll get close to an accurate reading.
You're right, I'm not hitting peak RPM. Is there a good app to use with my OBD to plot this more accurately?
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