Carbon plenum 3D printed Snorkel

[D.Bryce]

Evening all,

I bought a haimus racing carbon intake plenum last year and have been searching online for a Z4M specific snorkel as the e46 part needs modifying and even then it’s not that suitable.

I’ve taken it upon myself to design the piece we require and to utilise the factory air inlet in the front bumper.

After a 3D scan of the engine bay and some work in CAD and a few hours on the printed, I’ve finally got a finished product. (Ran out of black hence the 2 tone but the cars imola so kinda works)

Let me know what you think.

 

[ed80]

That's brilliant! What did you use to do the 3d scan?

 

[IRD]

Some clever guys on this Forum. Well done.

 

[lucasxdiniz]

Good effort, well done! I will be getting a Karbonious airbox and plan on doing the same.

If you fancy sharing or selling the 3D scan data of the engine bay, let me know! I have access to one at work, but can't get the car to work for a few months so don't mind a head start.

 

[Ed Doe]

I bought a haimus racing carbon intake plenum last year and have been searching online for a Z4M specific snorkel as the e46 part needs modifying and even then it’s not that suitable.

Very smart that, good effort designing something to work

Couple of questions (one more relevant than the other lol);

1. have you got some clearance around the point where the Airbox Ducting meets the Ducting on the chassis? I'd just be a bit wary of cycling loading on the airbox etc as a consequence of engine movement during acceleration/braking.
2. Where did you buy your Haimus airbox from, and if you don't mind me asking how much was it? I'm on the point of buying an airbox myself!

Cheers

 

[D.Bryce]

That's brilliant! What did you use to do the 3d scan?

3d scanner app on my phone, take 2/300 pictures and then compiles them into a rendering.

I bought a haimus racing carbon intake plenum last year and have been searching online for a Z4M specific snorkel as the e46 part needs modifying and even then it’s not that suitable.

Very smart that, good effort designing something to work

Couple of questions (one more relevant than the other lol);

1. have you got some clearance around the point where the Airbox Ducting meets the Ducting on the chassis? I'd just be a bit wary of cycling loading on the airbox etc as a consequence of engine movement during acceleration/braking.
2. Where did you buy your Haimus airbox from, and if you don't mind me asking how much was it? I'm on the point of buying an airbox myself!

Cheers

So the ducting on the chassis is flexible rubber and it’s a good fit but not overly snug, so there is plenty space for vibration and movement.

My local M specialist became a retailer for them and I was part of a group buy, all in was about £1750 if I remember right. Worth every penny if you ask me

 

[D.Bryce]

Good effort, well done! I will be getting a Karbonious airbox and plan on doing the same.

If you fancy sharing or selling the 3D scan data of the engine bay, let me know! I have access to one at work, but can't get the car to work for a few months so don't mind a head start.

Where about are you ? Once I get the final design sorted I’d be more than happy to print and ship you one.

Don’t want to be sharing my files sorry.

 

[Ed Doe]

So the ducting on the chassis is flexible rubber and it’s a good fit but not overly snug, so there is plenty space for vibration and movement.

My local M specialist became a retailer for them and I was part of a group buy, all in was about £1750 if I remember right. Worth every penny if you ask me

Who is your local M Specialist? Do you know if they're still selling them?

And finally was your kit just the Airbox, or did it include the 6x early model Throttle boots & clips, IAT relocation kit & the longer Breatherpipe?

Cheers!

Ed

 

[maupineda]

Good effort, well done! I will be getting a Karbonious airbox and plan on doing the same.

If you fancy sharing or selling the 3D scan data of the engine bay, let me know! I have access to one at work, but can't get the car to work for a few months so don't mind a head start.

Where about are you ? Once I get the final design sorted I’d be more than happy to print and ship you one.

Don’t want to be sharing my files sorry.

How much would you sell it for? I was going to do the same this year for my Karb intake, but contrary to your design I was planning to do it enclosed so the air pressure is increased at speed.

 

[lucasxdiniz]

Where about are you ? Once I get the final design sorted I’d be more than happy to print and ship you one.

Don’t want to be sharing my files sorry.

Thank you, but that's not necessary I'll be designing my own.

 

[D.Bryce]

[/quote]

Who is your local M Specialist? Do you know if they're still selling them?

And finally was your kit just the Airbox, or did it include the 6x early model Throttle boots & clips, IAT relocation kit & the longer Breatherpipe?

Cheers!

Ed
[/quote]

Sorry Ed, none available off the shelf as they were orderes in a group.


I use RDMotorsport just outside Edinburgh, he does have an online shop so get in touch and he will be able to sort one out for you.

Yea it comes with the full fitting kit and the panel filter. I just opted out of the e46 snorkel.

 

[D.Bryce]

Good effort, well done! I will be getting a Karbonious airbox and plan on doing the same.

If you fancy sharing or selling the 3D scan data of the engine bay, let me know! I have access to one at work, but can't get the car to work for a few months so don't mind a head start.

Where about are you ? Once I get the final design sorted I’d be more than happy to print and ship you one.

Don’t want to be sharing my files sorry.

How much would you sell it for? I was going to do the same this year for my Karb intake, but contrary to your design I was planning to do it enclosed so the air pressure is increased at speed.

I’d be looking in the area of £150-£200 due to the time and designing that went into it.

I also looked into the fully enclosed end but decided to keep it a close to the original csl design, I can modify the file on the software to be fully enclosed if you would like one ?

 

[Ed Doe]

Sorry Ed, none available off the shelf as they were orderes in a group.
I use RDMotorsport just outside Edinburgh, he does have an online shop so get in touch and he will be able to sort one out for you.
Yea it comes with the full fitting kit and the panel filter. I just opted out of the e46 snorkel.

Thank you kindly I'll give him a bell and see what's what!

 

[SGRG]

Great work @d.bryce. Curious which 3D printer did you use? Thanks

 

[D.Bryce]

Great work @d.bryce. Curious which 3D printer did you use? Thanks

Ender-3 v3 plus

 

[Justino]

I was looking for something like this when I was researching the Karbonius intake. I wanted to go as much as OE as possible, but like you came to the conclusion the trimmed snorkel would still be unsuitable, and probably a hinderance to the air flow.

I the end I went with their race box which doesn't have a detachable snorkel, and aligns nicely with the grille intake.

 

[Justino]

Where about are you ? Once I get the final design sorted I’d be more than happy to print and ship you one.

Don’t want to be sharing my files sorry.

Thank you, but that's not necessary I'll be designing my own.

The standard CSL set up has multiple other ways air can enter the airbox, not just the snorkel, so whilst having it sealed seems a good idea, I wonder if it would feed enough air? Having it partly open would create the effect of sucking air in to the open section as the air rushing in from the grille creates a negative pressure effect.

 

[lucasxdiniz]

The standard CSL set up has multiple other ways air can enter the airbox, not just the snorkel, so whilst having it sealed seems a good idea, I wonder if it would feed enough air? Having it partly open would create the effect of sucking air in to the open section as the air rushing in from the grille creates a negative pressure effect.

Yes, I am aware. Without going into which way is best, fully closed off certainly provides "enough" air. There is a car in the forum that has a Goke Z4M specific airbox and it has very healthy dyno figures - I believed it's cammed too so the limit is not at the intake.

You are fundamentally correct, but the M3 has a fresh air feed where the open section of the snorkel would be, the Z4M does not. Therefore, one could argue you'd now be sucking in hot (post radiator) air instead of cool rammed air. The easiest way to tell what is best and what drives lower IATs is to datalog both solutions and do back-to-back dynos.

A Z4M with a 4.1 final drive is borderline too fast for fast road driving (my use case), the extra power that comes with a CSL intake is a bonus to me, I just want the sound... which would most likely drive me towards an open snorkel similar to the above. I just so happen to be a mechanical design engineer in a powertrain department, so god knows what I'll come up with after some advice from work colleagues.

 

[BMWZ4MC]

Once in a while, there’s an especially interesting thread on this forum and this is one of them

 

[maupineda]

My starting point would be enclosed, with the intake opening design to be the female end, so the rubber seal slides in it.