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      09-20-2021, 08:50 AM   #1
heitzke
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'15 MW M4 6mt build and photo diary

Car: 2015 MW F82 6MT
Mileage: ~66k now (I drive a LOT)
SUPER SUPER base car w/
- Executive package w/ extended leather
- Power rear window shade
- HK sound

Mods now:
Engine:
SSR 4-pin crank hub
BMC drop-ins
VRSF charge pipes
VRSF catless downpipes
VRSF midpipe
BM3 Stage 2 flex-fuel
Bend Calibration Ultimate F8X flex fuel kit w/ pnp harness

Driveline:
Spec twin-disc clutch

Suspension:
Stock w/ Swift Spec-R

Exterior:
Lightweight front lip
IND black grill
IND matched bumper markers
IND black fender trim
IND blank keyhole
IND black m4 badge
eBay special diffuser (it's fiiiine)
eBay special exhaust tips (actually a good product)
Bumperplugs.com plugs for license plate holes - booo
CF OEM-rep spoiler
CF OEM-rep side mirror caps

Interior:
Bavsound ghost subs
Red start button w/ silver trim

Wheels/tires:
19x9.5 +21 TE37 SL
19x10.5 +35
265/35/19 MP4S
295/30/19 MP4S

Misc:
GTS diff/steering coding


Some mods sprinkled throughout, but a lot of it is life with my newest addition to the garage.

Build thread:

Night I picked the thing up from CarMax (got a really good deal on it actually) in December.

First test drive:







All dressed up:


Immediately had to road trip it halfway across the nation:
>

LOL


With dog in tow


First good wash after returning home:


First oil change after I got back:


Then starts the “I’m NOT going to modify it much”
Swift Spec-R spring install:


Was pretty content with this:


At this point the vehicle was BM3 stage 1 and lowered. That’s about all I had really “planned” on doing but you’ll see how long that lasts.
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'15 MWM M4 6mt - | SSR crank hub | Bend Calibration F8X Ultimate flex fuel kit | BM3 w/ Bend Calibration flex fuel tune | Spec twin-disc | VRSF dp/mid-pipe | 19x9.5/10.5" TE37SL
'91 NA Miata | 16x9.5" CCW LM5T | Bunch 'o suspension stuff

Last edited by heitzke; Today at 09:16 AM..
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      09-20-2021, 08:57 AM   #2
heitzke
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Then it was a bunch of small stuff:

Black grills, color matched side markets, keyhole blank, red start button/surround and replaced the red rear bumper markers with the black trim.



Black M4 badge


Basic diffuser


FINALLY tinted the windows ~25%
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'15 MWM M4 6mt - | SSR crank hub | Bend Calibration F8X Ultimate flex fuel kit | BM3 w/ Bend Calibration flex fuel tune | Spec twin-disc | VRSF dp/mid-pipe | 19x9.5/10.5" TE37SL
'91 NA Miata | 16x9.5" CCW LM5T | Bunch 'o suspension stuff
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      09-20-2021, 09:07 AM   #3
heitzke
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Then at this point I did VRSF Downpipes, mid-pipe and the SSR crank hub (no pics of this process)

The looks didn't match the sound so I did some eBay exhaust tips and am actually really happy with them.

I DID order raw silver vs the black, but I waited for a while for them and honestly don't mind the black so they'll stay for now.


THEN i finally ordered and got some my honest dream wheels:

[IMG]ihttps://live.staticflickr.com/65535/51488661805_ba96d8fb81_k.jpg[/IMG]




Michelin MP4S


Basically as tall as my partner lol


Got all 4 in the car somehow



Mounted, balanced and installed:

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'15 MWM M4 6mt - | SSR crank hub | Bend Calibration F8X Ultimate flex fuel kit | BM3 w/ Bend Calibration flex fuel tune | Spec twin-disc | VRSF dp/mid-pipe | 19x9.5/10.5" TE37SL
'91 NA Miata | 16x9.5" CCW LM5T | Bunch 'o suspension stuff
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      09-20-2021, 09:09 AM   #4
heitzke
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Next project: center caps



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'15 MWM M4 6mt - | SSR crank hub | Bend Calibration F8X Ultimate flex fuel kit | BM3 w/ Bend Calibration flex fuel tune | Spec twin-disc | VRSF dp/mid-pipe | 19x9.5/10.5" TE37SL
'91 NA Miata | 16x9.5" CCW LM5T | Bunch 'o suspension stuff

Last edited by heitzke; 09-20-2021 at 09:25 AM..
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      09-20-2021, 09:11 AM   #5
heitzke
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Just got this in this week:




Ghost subs install
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'15 MWM M4 6mt - | SSR crank hub | Bend Calibration F8X Ultimate flex fuel kit | BM3 w/ Bend Calibration flex fuel tune | Spec twin-disc | VRSF dp/mid-pipe | 19x9.5/10.5" TE37SL
'91 NA Miata | 16x9.5" CCW LM5T | Bunch 'o suspension stuff

Last edited by heitzke; 09-20-2021 at 09:26 AM..
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      09-20-2021, 06:21 PM   #6
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Going in for a clutch on Friday, probably going to try to do the flex-fuel stuff over this week after work.

Until then added a little something. I'm a little mixed on it, maybe because of the lighting and angles I was looking at it.





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'15 MWM M4 6mt - | SSR crank hub | Bend Calibration F8X Ultimate flex fuel kit | BM3 w/ Bend Calibration flex fuel tune | Spec twin-disc | VRSF dp/mid-pipe | 19x9.5/10.5" TE37SL
'91 NA Miata | 16x9.5" CCW LM5T | Bunch 'o suspension stuff
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      09-22-2021, 07:47 AM   #7
heitzke
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Ok, i've been getting a lot of stuff in the mail so updates are more frequent.

Got my mirror caps in yesterday and actually quite like the contrast. Also went ahead and installed the Bend Calibration Ultimate F8X hardware and ran the wiring up into the engine bay for additional work later.





With the BM3 plug 'n play harness attached
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'15 MWM M4 6mt - | SSR crank hub | Bend Calibration F8X Ultimate flex fuel kit | BM3 w/ Bend Calibration flex fuel tune | Spec twin-disc | VRSF dp/mid-pipe | 19x9.5/10.5" TE37SL
'91 NA Miata | 16x9.5" CCW LM5T | Bunch 'o suspension stuff
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      09-24-2021, 07:28 AM   #8
heitzke
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Installed pre-cleaning and getting it all back together



And hereeee is what I was really looking for



So then I can do this:



Netted out to be an E40 blend and it's definitely faster. It's super torquey and smooth in general on the flex tune. Love to get it on a dyno with some E60/E85 with the OTS tune to see what it does prior to getting actually tuned up
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'15 MWM M4 6mt - | SSR crank hub | Bend Calibration F8X Ultimate flex fuel kit | BM3 w/ Bend Calibration flex fuel tune | Spec twin-disc | VRSF dp/mid-pipe | 19x9.5/10.5" TE37SL
'91 NA Miata | 16x9.5" CCW LM5T | Bunch 'o suspension stuff
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      09-24-2021, 12:01 PM   #9
heitzke
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Another morning update, dropped off at Kennedy Performance for a little work after my TOB kicked the bucket.

Spec twin-disc & flywheel combo




edit: update from the shop with my factory clutch lol.


Definitely broke that thing. Hard a hard time getting into gear this morning and looks like it wasn't just a TOB after all




How it was going:
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'15 MWM M4 6mt - | SSR crank hub | Bend Calibration F8X Ultimate flex fuel kit | BM3 w/ Bend Calibration flex fuel tune | Spec twin-disc | VRSF dp/mid-pipe | 19x9.5/10.5" TE37SL
'91 NA Miata | 16x9.5" CCW LM5T | Bunch 'o suspension stuff

Last edited by heitzke; 09-24-2021 at 04:49 PM..
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      09-29-2021, 11:09 AM   #10
heitzke
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Currently juuust about done breaking in the clutch and going to start flex fuel tuning with Bend Calibration! Super excited to get going.

In the meantime while I sit on hold at work. Got this in the mail. Another cat approved mod.




It's REALLY thick and looks really nicely made. The instructions are translated reasonably and will probably get it on this weekend. I don't really see how people install it without it being on ramps? I'll figure it out either way.
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'15 MWM M4 6mt - | SSR crank hub | Bend Calibration F8X Ultimate flex fuel kit | BM3 w/ Bend Calibration flex fuel tune | Spec twin-disc | VRSF dp/mid-pipe | 19x9.5/10.5" TE37SL
'91 NA Miata | 16x9.5" CCW LM5T | Bunch 'o suspension stuff
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      10-09-2021, 09:30 AM   #11
heitzke
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Had a REALLY good time hanging out at the local dyno this morning.

Dyno: Dyno Dynamics, very much heart-breakers in the dyno realm and this one in particular is a known quantity for running 11% lower than your standard dynojet.

Car: '15 M4 6mt, SSR 4-pin hub, BMC drop-in, VRSF charge pipes, catless downpipes, midpipe, Bend Calibration Ultimate F8X fueling, BM3, Fresh NGK SILZKBR8D8S gapped to .022-.023.

Pull conditions: 5th gear, ~86deg or so inside the shop. Had big shop fan going but it's pretty humid today.

Fuel: E61

Tunes: Bend Calibration vs BM3 OTS Flex fuel.

There's a lot to hypothesize here, but also not too much when you really take it in logically. The car made damn good power for what it is, figuring 11% down from a DJ, the car makes ~550-560whp/tq without even trying hard. With the Bend Calibration tune, it definitely makes more torque and on a DJ would turn 560-570/tq and ~540-545whp.

I also acknowledge that I had a big hand to play in the Bend tune as I specifically set out to make a REALLY safe tune with them. We kept all the factory knock thresholds, and there was some timing noise in the top of my last E60 pulls so we pulled back everything a bit and that's part of the gap you see between the OTS and Bend. The other aspect here is that the 500 pull for the OTS tune was after the longest cool-off period we gave the car the entire time. I also fully-believe that Bend would have made more power in the same conditions, but I was out of dyno time for the morning.

Am I implying that OTS isn't safe? No, I don't have a reason to say that, but I do know that I'll be running the Bend Calibration tune due to how smooth it is and how it feels on the street. I have been in contact with them today and they basically asked if I wanted to make more power, and I have genuinely opted to just.. not.

Mild bolt-ons with stock turbos aren't my end-game here and I also don't want to tax anything unduly. I guess next thing to do is get some 60-130 times between some stuff and see how it rolls.

All-in-all, the dyno/shop operator and I were really impressed with how it did on his dyno. His words were "anything that makes close to 500 or cracks it on my dyno is a fast street car".
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'15 MWM M4 6mt - | SSR crank hub | Bend Calibration F8X Ultimate flex fuel kit | BM3 w/ Bend Calibration flex fuel tune | Spec twin-disc | VRSF dp/mid-pipe | 19x9.5/10.5" TE37SL
'91 NA Miata | 16x9.5" CCW LM5T | Bunch 'o suspension stuff
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      Today, 09:11 AM   #12
heitzke
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Couple spooky foggy pictures for the season, and just a general update. Car is feeling really nice since being tuned up and clutch fixed/broken-in.

Ended up coding a few things with BimmerCode, like auto-fold mirrors, easy entry, turning off seatbelt chimes, etc.

Also got all the GTS steering/diff coding done by bimmer-remote and quite happy with the changes - especially the steering.





Also been having some fun playing with my new Dragy. Times make me wish I was a DCT car lmao. I might look into deleting the CDV in the future to make the speed/boost loss between gears a little better.

I should definitely be deeper 7's, but it's a nice safe tune and me being a 6mt i'm content enough with where it's at.

Also ordered some Pure 2+ lol, so i'm not super concerned about the stock turbo situation. Current plan is to run them on pump for a while and then address all the fueling and push for that 700+.

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'15 MWM M4 6mt - | SSR crank hub | Bend Calibration F8X Ultimate flex fuel kit | BM3 w/ Bend Calibration flex fuel tune | Spec twin-disc | VRSF dp/mid-pipe | 19x9.5/10.5" TE37SL
'91 NA Miata | 16x9.5" CCW LM5T | Bunch 'o suspension stuff
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