Z4M Rear diffuser

[Serious]

I am going to be straight up with you. If you plan on properly designing and manufacturing a complete functioning undertray, sideskirts, and a rear diffuser package... you're looking at a $2000 price point. If you actually want to quantify that it provides any real benefit at all you're looking at wind tunnel time.

BTW there is no point in even doing it unless you're going to pair it up to a functioning front splitter as well. So basically you're designing an aero package for the Mz4... cool idea I hope you know what you're doing.

[mpower03]

Originally Posted by Serious

I am going to be straight up with you. If you plan on properly designing and manufacturing a complete functioning undertray, sideskirts, and a rear diffuser package... you're looking at a $2000 price point. If you actually want to quantify that it provides any real benefit at all you're looking at wind tunnel time.

BTW there is no point in even doing it unless you're going to pair it up to a functioning front splitter as well. So basically you're designing an aero package for the Mz4... cool idea I hope you know what you're doing.

Hey we should be glad that people are taking an interest in producing pieces for our cars.

[Diokaef]

Originally Posted by Serious

I am going to be straight up with you. If you plan on properly designing and manufacturing a complete functioning undertray, sideskirts, and a rear diffuser package... you're looking at a $2000 price point. If you actually want to quantify that it provides any real benefit at all you're looking at wind tunnel time.

BTW there is no point in even doing it unless you're going to pair it up to a functioning front splitter as well. So basically you're designing an aero package for the Mz4... cool idea I hope you know what you're doing.

I spend too much money on developing stuff just for myself so why not make it available. I agree with you in every point.

I will par it with APR one for now, because someone offer challenge USA to develop a front splitter so I will not get on the way, in the end my piece and Challenge piece will work together anyways

[mfanatic325]

wow how did I miss this....?
Excited to see the final product. Then I'll decide

[racerbruce]

Interested -

[Shipkiller]

Subscribed....

[tarheel91]

Originally Posted by Serious

I am going to be straight up with you. If you plan on properly designing and manufacturing a complete functioning undertray, sideskirts, and a rear diffuser package... you're looking at a $2000 price point. If you actually want to quantify that it provides any real benefit at all you're looking at wind tunnel time.

BTW there is no point in even doing it unless you're going to pair it up to a functioning front splitter as well. So basically you're designing an aero package for the Mz4... cool idea I hope you know what you're doing.

There are these magical things called simulations, which, while not as reliable as a real wind tunnel test, are pretty accurate and should give a general idea of the results of whatever design one goes with. This guy seems to do a lot of design work. I think it's entirely possible he might have something in this regard.

[Diokaef]

[VinnieAces]

2 days away from knowing the rough pricing

[Serious]

Originally Posted by tarheel91

There are these magical things called simulations, which, while not as reliable as a real wind tunnel test, are pretty accurate and should give a general idea of the results of whatever design one goes with. This guy seems to do a lot of design work. I think it's entirely possible he might have something in this regard.

Yes there is if you have a CAD model of a Z4 M coupe.

[tarheel91]

Originally Posted by Serious

Yes there is if you have a CAD model of a Z4 M coupe.

I'd think a Z4 shell would be sufficient. It's certainly a much cheaper and reasonable alternative to wind tunnel time.

[alvinli217]

can't wait for pics!!!

[F360C]

Originally Posted by tarheel91

There are these magical things called simulations, which, while not as reliable as a real wind tunnel test, are pretty accurate and should give a general idea of the results of whatever design one goes with. This guy seems to do a lot of design work. I think it's entirely possible he might have something in this regard.

CFD!

[Diokaef]

I'm at challenge USA now, I will try to post some stuff later today

[Diokaef]

So... This were the topics that I discussed with Greg at Challenge USA

3 Piece rear diffuser
Rock panel extender
Full underbody tray
Fender arch extender

Here is what we want to do

a cross between this designs to create the rear diffuser

[Diokaef]

Something on this line for the Rocker panel extender

[Diokaef]

and something on this line for the fenders arch that will sit flush with the diffuser, splitter and rocker panel extender to completely wrap the car around

[Diokaef]

Prices will need to be studied a bit more, Greg will start the drawings within a few days.

[JB 007]

Great ideas..

[Z4Murder]

awesome, i would love to have the wrap around if i could afford it

[mfanatic325]

Weren't you also looking to get VRS GB's going?
I found the old thread of yours, and checked out VRS's site. I don't like any of their other stuff besides maybe the hood and their rear diffuser:

[mfanatic325]

Damnnn, they want over $1k easy for those pieces. $500 mayyyyyyyyybe. But $1k+? No thanks