Breathe easy or Breathe OEM?

[Dino D]

I've drilled holes in the airbox - makes a great sound. Easilybreversible - just buy a secondhand air box and drill that and keep your original on the shelf. Cheap and easy and even feels nicer to drive.

However after hearing @5harp3y 's car and seeing the dyno figures I've decided to give one of kits a try - the box turned up today but I'll only get a chance to fit next week, looking very forward to it!

 

[John Thompson]

No real proof of the K&N damaging mafs

Loads of information about this on their website

I've built an induction kit for quite a few people in here

Hi, can you put together an induction kit for a z4 twin turbo 35is? If so what sort of cost would I be looking at?
Cheers

 

[5harp3y]

Hi, can you put together an induction kit for a z4 twin turbo 35is? If so what sort of cost would I be looking at?
Cheers

Not really i'm afraid as i have built mine using my car as a prototype

 

[John Thompson]

No worries, thanks anyway, can't seem to find one commercially available anywhere

 

[5harp3y]

No worries, thanks anyway, can't seem to find one commercially available anywhere

It might not be too hard to build one.

 

[5harp3y]

No worries, thanks anyway, can't seem to find one commercially available anywhere

http://www.burgertuning.com/dcintake.html

 

[Ianmc]

To be contrary, I keep my cars OEM. My logic is that they were designed that way (albeit to a cost compromise) and "bolting on bits" without thorough engineering research isn't my thing. Many will likely disagree, including the sellers, but just my view.

 

[John Thompson]

I understand your logic, but why then would something as seemingly simple such as an air intake which has also been engineered with some thinking e.g K&N or Ramair which is a direct bolt on increase power without effecting reliability? If nobody tried to make things better then things would never improve, just my opinion

 

[t-tony]

To be contrary, I keep my cars OEM. My logic is that they were designed that way (albeit to a cost compromise) and "bolting on bits" without thorough engineering research isn't my thing. Many will likely disagree, including the sellers, but just my view.

And the world is still flat , . . . . . . . . well, the Netherlands are anyway.

Tony.

 

[John Thompson]

http://www.burgertuning.com/dcintake.html

Thanks for the link sharp3y, have to say it doesn't look to daunting a project even for me< two good quality/high flow cone filters and two bits of rubber hogger. Wish I had a garage to work in, I really miss mine from my old house

 

[hard top]

Netherlands are anyway.

Not all of it.

 

[John Thompson]

not all of what?

 

[5harp3y]

Thanks for the link sharp3y, have to say it doesn't look to daunting a project even for me< two good quality/high flow cone filters and two bits of rubber hogger. Wish I had a garage to work in, I really miss mine from my old house

Yeah looks easy.

But I've seen that kit for £120 so I don't think you'd be able to put the kit together for that much so probably worth just buying it


https://www.mlperformance.co.uk/products/bms-bmw-e-chassis-n54-dual-cone-performance-intake

 

[John Thompson]

Point taken sir, probably why you're a 3rd dan guru lol

 

[Pingu]

I'd suggest , if you want to improve intake performance, study the following and decide which one to attack first...

Flow - Look at the whole system and concentrate on increasing flow through the most restricted areas from where air enters the system to the inlet valve.

Balance - Look at how the air from the throttle butterfly to the inlet valve can be equalised across all cylinders.

Air-mass - Look at ways to increase the air mass.

Throttle response - Look at ways to shorten the distance from the throttle butterfly to the inlet valve.

Air/Fuel Ratio - Look at ways of reducing the distance from the MAF to the Injectors.

A change in one usually affects one of the others.

 

[John Thompson]

I was thinking of a new air filter

 

[John Thompson]

https://www.mlperformance.co.uk/products/bms-bmw-e-chassis-n54-dual-cone-performance-intake

This is the route I'm taking, ordering on Friday ...... Wahoo!!

Removing the restrictive airbox and fitting a ramnair cone filter made a big difference to my audi tt, there is less opportunity for an inexpensive tuning option being the VR6 as opposed to the 180 & 225 turbo engines

 

[5harp3y]

https://www.mlperformance.co.uk/products/bms-bmw-e-chassis-n54-dual-cone-performance-intake

This is the route I'm taking, ordering on Friday ...... Wahoo!!

Removing the restrictive airbox and fitting a ramnair cone filter made a big difference to my audi tt, there is less opportunity for an inexpensive tuning option being the VR6 as opposed to the 180 & 225 turbo engines

Good job

And by VR6, do you mean 3.2?

 

[John Thompson]

Good job

And by VR6, do you mean 3.2?

Yeah, it's the same engine as in the golf R32

 

[Pingu]

I was thinking of a new air filter

How are you going to measure improvement?