Quote:
Originally Posted by sspdw
I wouldnt worry as b58 has 11:1 compression, its more about fuel quality when tuning. The 225kw b48 will do 300hp even at low quality fuel. 0
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Only have access to 95 RON which is roughly the USA equivalent of 91 octane / AKI (RON + MON / 2).
Do we know what the stock boost level is for a 2019 and 2020 330i USA spec engine and non-USA spec engine? I wonder if the USA spec runs hotter / leaner because of emissions standard differences. So many questions.