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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > What turbo is the M2 and does anyone have a compressor map for it

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      01-25-2018, 06:25 PM   #1
Bt12
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What turbo is the M2 and does anyone have a compressor map for it

Does anyone have an idea what turbo we are running and the corresponding compressor map? want to see what our turbo is capable of and where the tuning potential on the stock turbo is...before getting to surge etc.

Thanks


For anyone curious what I’m talking about and how to read one...

http://www.superstreetonline.com/how...ompressor-map/
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      01-29-2018, 05:35 PM   #2
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Quote:
Originally Posted by Bt12 View Post
Does anyone have an idea what turbo we are running and the corresponding compressor map? want to see what our turbo is capable of and where the tuning potential on the stock turbo is...before getting to surge etc.

Thanks


For anyone curious what I’m talking about and how to read one...

http://www.superstreetonline.com/how...ompressor-map/
I believe it's a Borg Warner EFR series B03. It differs from the E series n55's and F series n55's. 4" outlet and a larger compressor wheel similar to the Pure stage 1, not exact though.
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      01-29-2018, 06:21 PM   #3
Bt12
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Quote:
Originally Posted by ashburyn54 View Post
I believe it's a Borg Warner EFR series B03. It differs from the E series n55's and F series n55's. 4" outlet and a larger compressor wheel similar to the Pure stage 1, not exact though.
Thanks man...going to try and read up on it
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