09-02-2021, 06:31 AM | #1 |
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MHD Stage 2+ first dyno results
After getting my boost leak issue sorted I decided to finally get the car on a dyno seen as I've never had any results before.
Running MHD's Stage 2+ with catless dp plus a bypass valve to cut out the resonator & muffler. I'll have the print out shortly but they said on average it made 362 - 370 with a peak of 382bhp (612nm). It sounds like they were misting water on the last few pulls to get the peak power out of it and keep temps down. They also used a hub dyno. I'm pretty happy providing it sits around 370, it does make me inquisitive as to what else I could install to help squeeze any remaining power though. I'm still on the stock intercooler so a stepped one would probably be my next port of call.. would a personalised tune benefit me majorly anymore than the OTS map? I'm fully aware the N55's don't make much over 400.
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2015 435i - 401whp
Scorpion catless dp, VRSF 6.5" HD FMIC, MST V2 inlet, NGK 97506, MHD Stage 2+ 102, xHP Stage 3, M Performance Exhaust (modified for valved straight thru) |
09-02-2021, 08:10 AM | #2 | |
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seriously, you shouldn't even be running that tune on stock ic. a custom tune for 93 would likely not get you much power
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2017 m240i xDrive 10.67@132.32mph w/bm3
2015 335i xDrive 10.95@124.99mph w/bm3 - SOLD 2015 X3 x35i pwg 12.96 catless w/bm3 stage 2 93 ots IG: @n55david For pics and updates! Youtube: @ n55david For videos or Racing etc |
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09-02-2021, 09:11 AM | #3 |
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I've always monitored them, luckily I live in the north of the UK so we average 7-10c most days in temperatures. It's not really often the car is pushed either but upgraded FMIC is on it's way 👍
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2015 435i - 401whp
Scorpion catless dp, VRSF 6.5" HD FMIC, MST V2 inlet, NGK 97506, MHD Stage 2+ 102, xHP Stage 3, M Performance Exhaust (modified for valved straight thru) |
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n55david1297.00 |
09-02-2021, 10:17 AM | #4 | |
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2017 m240i xDrive 10.67@132.32mph w/bm3
2015 335i xDrive 10.95@124.99mph w/bm3 - SOLD 2015 X3 x35i pwg 12.96 catless w/bm3 stage 2 93 ots IG: @n55david For pics and updates! Youtube: @ n55david For videos or Racing etc |
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09-02-2021, 12:05 PM | #5 |
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You didnt mention what octane you are running but that seems about right nonetheless. Datalogs from the runs would have been nice. Sorry but i cringed when you said you are running that map with stock IC...
MHD is a load based tune so unless you aren't meeting boost or load targets, you are making the maximum power the map will make, although it is very possible your IATs were high enough to pull timing. |
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09-02-2021, 05:01 PM | #6 | |
Check out my Youtube @n55david!
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2017 m240i xDrive 10.67@132.32mph w/bm3
2015 335i xDrive 10.95@124.99mph w/bm3 - SOLD 2015 X3 x35i pwg 12.96 catless w/bm3 stage 2 93 ots IG: @n55david For pics and updates! Youtube: @ n55david For videos or Racing etc |
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09-03-2021, 10:13 AM | #7 | ||
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They were misting the IC with iced water to try and help it the best it could. I'm starting the search again for a decent FMIC upgrade, my biggest draw back before was UK stock. Wagner & VRSF were never instock no matter what the store told you lol, MTC Motorsport sell some but I then learnt most of their stuff is rebranded copies which for the charge pipe I was fine with, but the IC I'm happy to spend money on for a better built one.
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2015 435i - 401whp
Scorpion catless dp, VRSF 6.5" HD FMIC, MST V2 inlet, NGK 97506, MHD Stage 2+ 102, xHP Stage 3, M Performance Exhaust (modified for valved straight thru) |
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09-03-2021, 11:03 AM | #8 |
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*sorry also forgot to add I always run 99ron fuel
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2015 435i - 401whp
Scorpion catless dp, VRSF 6.5" HD FMIC, MST V2 inlet, NGK 97506, MHD Stage 2+ 102, xHP Stage 3, M Performance Exhaust (modified for valved straight thru) |
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