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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) Local Forums UK Racechip on the m440i

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      05-11-2021, 04:43 PM   #1
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Racechip on the m440i



Interesting as it's the b58 with mht where as the m340 video wasn't. Std was 405hp and then up to 442hp. I know dyno runs are not 100% accurate but I do wonder what power these engines have. Once I have a few k miles under its belt I really would like to get mine dyno'd and invest in a racechip.

I do also appreciate these videos are designed to make people like me say things like above and keep them in business.
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      05-12-2021, 03:34 AM   #2
verysideways
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Interesting what you say on the power figures - my M2C is 400hp and weighs at least 200kg less than my M340i (with MHT), and i'm absolutely convinced my M340i is as quick in a straight line.
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      05-12-2021, 04:42 AM   #3
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Manufacturers do seem conservative with their outputs. Watched a dyno run of a new Golf R with del miles and it's making 340bhp - should be 316bhp so no wonder they are doing 4 secs flat on 0-60 runs!
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