How much boost with a 745i ecu?

Discussion pertaining to positive pressure E28s.
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Nebraska_e28
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How much boost with a 745i ecu?

Post by Nebraska_e28 »

Given the motor has been prepped accordingly, how much boost can be ran with an e23 745i ecu? Would a person be better off converting to MS?
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T_C_D
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Post by T_C_D »

10psi fuel cutoff with stock chip. 15psi with chip and BEGI.
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M. Holtmeier
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Post by M. Holtmeier »

I couldn't get past 10 comfortably(with the chip) without hearing some ping. Megasquirt all the way at this point.
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