Thread: B58 JB4 Map 2
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      01-05-2017, 06:12 AM   #7
Bee Pee
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Drives: AW M2 DCT
Join Date: Jun 2010
Location: SW London

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Here in UK, many Mx40i owners are seeing 350-380bhp and high 300's lbft at the crank on a dyno pull.

Makes me think that Mx40i has B58 MPPSK tune from the factory - shame they don't so an F2x B58 of the MPPSK exhaust to go with it....

JB4 on a standard M140i - 8ZF running Tesco 99 fuel.

Standard times [map 0 or map 4]

60-100mph - 5.2 seconds
100-200 - 10.6 seconds

JB4 map 2

60-100 - 4.2 seconds
100-200 8.1 - vbox chart below......

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