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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning Dyno Results - JB4 Map 2 100 octane, Catless downpipe

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      06-05-2017, 03:29 PM   #1
SliChillax
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Dyno Results - JB4 Map 2 100 octane, Catless downpipe

Mods are KN air filter, mid pipe delete, JB4 on Map 2 and the dyno was run on 100 octane fuel, Armytrix titanium catless downpipe and that's it. Next step is to buy a charge pipe to avoid the OEM one getting blown to pieces.



That's the average hp and nm in 9 runs total



Obviously that's not WHP, the dyno calculates the power loss from crank to wheels and displays it as engine hp. I'm making around 360whp.

Last edited by SliChillax; 06-05-2017 at 03:41 PM..
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      06-05-2017, 05:41 PM   #2
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Very nice! Still on stock intercooler?

Great power for the bolt-ons. Obviously the fuel plays a big role, but impressive nonetheless.
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      06-05-2017, 05:52 PM   #3
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Originally Posted by Dylan86 View Post
Very nice! Still on stock intercooler?

Great power for the bolt-ons. Obviously the fuel plays a big role, but impressive nonetheless.
Nope, no aftermarket intercooler, it's all thanks to the 100 octane fuel. I was told by the shop that my spark plugs need to be changed immediately, I wonder how much the numbers will change with new spark plugs?
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      06-05-2017, 09:26 PM   #4
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Good numbers! Estoril looking good under the lights. What size spacers are you running?
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      06-06-2017, 01:11 AM   #5
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Quote:
Originally Posted by SliChillax View Post
I was told by the shop that my spark plugs need to be changed immediately,....
Why the need to change the plugs ?
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      06-06-2017, 07:33 AM   #6
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Quote:
Originally Posted by B58togo View Post
Good numbers! Estoril looking good under the lights. What size spacers are you running?
Thanks! 15mm Eibach spacers front and back.

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Originally Posted by Bee Pee View Post
Why the need to change the plugs ?
It's what my BMW dealer said, they're not in good condition apparently.
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      06-07-2017, 07:31 PM   #7
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Nice!
Need to replace the CP asap
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      06-08-2017, 10:16 AM   #8
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Nice!
Need to replace the CP asap
Ordering the VRSF one today
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      06-08-2017, 11:58 AM   #9
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Originally Posted by SliChillax View Post
Ordering the VRSF one today
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      06-12-2017, 06:45 AM   #10
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Smile

Car looks really nice there sitting on the dyno

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Originally Posted by mike@x-ph.com View Post
Nice!
Need to replace the CP asap
Are you guys just replacing the part between intake and IC oder also the part between turbo and IC?
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      06-12-2017, 07:54 AM   #11
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Quote:
Originally Posted by SliChillax View Post
Thanks! 15mm Eibach spacers front and back.



It's what my BMW dealer said, they're not in good condition apparently.
OK - suggest you get them to fit OEM F8x spark plugs ie as per N55 in M2 - one step cooler
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      06-12-2017, 11:15 AM   #12
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Quote:
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Are you guys just replacing the part between intake and IC oder also the part between turbo and IC?
We offer both options
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      06-13-2017, 08:44 AM   #13
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That 100 oct fuel.. Is that RON or AKI measurement?
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      06-13-2017, 03:06 PM   #14
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Quote:
Originally Posted by crabu2 View Post
That 100 oct fuel.. Is that RON or AKI measurement?
Here in Europe we use RON if I'm not mistaken.
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      06-13-2017, 09:31 PM   #15
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Quote:
Originally Posted by SliChillax View Post
Here in Europe we use RON if I'm not mistaken.
So it looks to be like 93/94 AKI octane here in the US/Canada..

Thx!
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      06-14-2017, 08:51 AM   #16
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Quote:
Originally Posted by crabu2 View Post
So it looks to be like 93/94 AKI octane here in the US/Canada..

Thx!
I don't think I gain anything by running 100 octane though as Map 2 requires 98 octane. It's hard to find 98 octane so I went with 100.
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      06-14-2017, 09:50 AM   #17
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Even with 100oct (94/93 in US), Map 2 bhp over 400 is still very impressive, that should be the field of flash tune or custom tune.
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      06-14-2017, 11:35 AM   #18
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VRSF charge pipe is here, will install it next month cause I don't have time at all.
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