Dyno proof: Stock vs Modified M3 ZCP

[Tommy L Garage]

I had the opportubity to compare my stock 2017 ZCP Manual to a modified 2018 ZCP DCT. The modifications include a set of downpipes and a JB4.

Seems like a base JB4 map doesn’t really make sense to void the warranty. It’s when you customize things that’s when things get interesting.

I hope you enjoy this little video comparison.
One of the things it proves is that BMW underrates the HP rating...but we all knew that

[uniqueMR]

[frKENm3]

nice! what was it dyno'd on? and fuel pump?

Here is my dyno run sheet

2016 F82 M4 ZCP 6spd BONE STOCK w/ 5k+ miles on the odometer
DYNO=dynapack evolution 3000
FUEL=91octane fuel pump
YELLOW=Pull 1 with AC on
GREEN=Pull 2 with AC off

[f80er]

Can you just post the results? Not trying to watch a video to find out.

[Dirty Harry]

Well done, very informative . I'm happy with my stock zcp M3 for now. I've always told people our M3/M4 is more like 480-490 hp at the crank.

[Tommy L Garage]

Originally Posted by f80er

Can you just post the results? Not trying to watch a video to find out.

stock is 421 Hp and 390 lb-ft torque at the wheels

stock with downpipe raises torque by 25 to the wheels

JB4 with Map 1: +42 HP
JB4 with Map 2: +54 HP
JB4 with custom Map: +82 HP

[Tommy L Garage]

Originally Posted by frKENm3

nice! what was it dyno'd on? and fuel pump?

Here is my dyno run sheet

2016 F82 M4 ZCP 6spd BONE STOCK w/ 5k+ miles on the odometer
DYNO=dynapack evolution 3000
FUEL=91octane fuel pump
YELLOW=Pull 1 with AC on
GREEN=Pull 2 with AC off

Is that crank or wheels? seems a bit high

This was a Dynojet on normal 93 gas for both cars.

[Tommy L Garage]

Originally Posted by Dirty Harry

Well done, very informative . I'm happy with my stock zcp M3 for now. I've always told people our M3/M4 is more like 480-490 hp at the crank.

Thanks. Same here - happy with it and happy to have warranty

[Dirty Harry]

Dynapack reads about 5% more than a dynojet from my experience.

[Tommy L Garage]

Originally Posted by Dirty Harry

Dynapack reads about 5% more than a dynojet from my experience.

Then maybe that's somewhat right.

[325iExecutive]

Thank you for the video.

Enjoyed it on the train coming into work

[Richardzy]

Cool, Looks good

[Patrón]

I hope I didn’t miss it but what fuel were both cars usuing?

When the modded car switched to the 2nd map and the custom tune, what fuel was those runs on?

[Tommy L Garage]

Originally Posted by Patrón

I hope I didn’t miss it but what fuel were both cars usuing?

When the modded car switched to the 2nd map and the custom tune, what fuel was those runs on?

All pump gas 93

[BMWM4_SA]

Sounds about right my stock M4 made 420HP in South Africa. Same consensus here in SA about the power

[///M4TT]

423 whp and 409 lb-ft

[citrys]

Nice car!

Very often it will be necessary to change tires )))

[Tommy L Garage]

Originally Posted by citrys

Nice car!

Very often it will be necessary to change tires )))

Haha yes. For some reason the car likes to go sideways

[shay2nak]

Originally Posted by ///M4TT

423 whp and 409 lb-ft

what's the AFR go down to near redline? Where is the red dash line set to? Thanks

[MMMCOOKIES55]

Seems like zcp numbers are all over the place. Mine dynod 438whp stock with 1100 miles on it.

Still good numbers though.

Side note that dyno looked sketchy at best....ooph

[jmg]

Originally Posted by MMMCOOKIES55

Seems like zcp numbers are all over the place. Mine dynod 438whp stock with 1100 miles on it.

Still good numbers though.

Side note that dyno looked sketchy at best....ooph

Each dyno is different. Elevation, gas quality, temperature... even the tires and wheel size/weight and the age of the engine! So many factors for +/-10-20hp which just goes to show that dyno numbers can only really be reliably compared as a baseline for your own car on the same actual dyno. Even then there is a margin of error.

[MicaCeli]

Originally Posted by MMMCOOKIES55

Seems like zcp numbers are all over the place. Mine dynod 438whp stock with 1100 miles on it.

Still good numbers though.

Side note that dyno looked sketchy at best....ooph

Heard good things from the Subi crowd about them, guys from MD and VA drive up there for tuning. Plus who doesn't want a Ruskie tuning their car. Vill it blow up I dunno we find out, ok?