Should I fit a breather with the BMC-CDA induction

[kkman]

I know the BMC CDA induction and know how to fit.

but what's the breather for

http://www.regals-motorsport.co.uk/i...e_1346-500.jpg

where and how to fit it

what size to buy and any accessories need to purchase together? silicon hose? what's the size again?

Cheers

Kai

[Maxxed_Ross]

on the standard intake the idle air (I think that's what it is anyway) comes off the main pipe just before the throttle body. If you fit an aftermarket system this intake needs it's own small filter

A bit like what I did on mine

[kkman]

Originally Posted by Maxxed_Ross

on the standard intake the idle air (I think that's what it is anyway) comes off the main pipe just before the throttle body. If you fit an aftermarket system this intake needs it's own small filter

A bit like what I did on mine

a nice done job there, any specific information?

size of this breather, think it is called breather, size of silcon hose and the caliper?

many thanks

Kai

[Maxxed_Ross]

I honestly can't remember.

I bought the whole thing from Andrew Morrison when he swapped the KV6 for a Judd in his race ZR. It all bolted straight on.

The only bit I had to buy was the breather, and I bought it from Halfords. As you said it's just called a breather filter

[talkingcars]

If the BMC was fitted properly (and I expect it was) then this will have been covered in one way or another, post a picture and we will tell you.

The best solution is to take a feed from the main inlet as per the O/E set up.

[talkingcars]

Having seen the picture of your engine bay on the other thread it looks like you have the original air filter set up, IMHO the best solution is to have a similar small pipe coming off th larger one rather than having a seperate small filter as Ross has (and I do).

Drawing air through the small filter may give a false reading to the ECU as it is sucking hot air and the main filter is sucking cold air.

[ZS]

Originally Posted by talkingcars

Having seen the picture of your engine bay on the other thread it looks like you have the original air filter set up, IMHO the best solution is to have a similar small pipe coming off th larger one rather than having a seperate small filter as Ross has (and I do).

Drawing air through the small filter may give a false reading to the ECU as it is sucking hot air and the main filter is sucking cold air.

In my case the smaller filter caused starting issues and economy issues... routed it through the bmc and all good now

I'll post up pics... but not exactly pretty

[ZS]

As promised... Its only a stop gap until I get hold of an ITG style pipe...

If anyone knows where to get one from?

[talkingcars]

Get a 70mm (IIRC) dump valve Tee peice with a 25mm spiggot, short 70mm pipe, 19mm to 25mm reducing elbow with long legs and a 70mm to 90mm reducing elbow.

My memory says 76mm but my records say 70mm.

[kkman]

who knows where to fit this ??

http://www.larkspeed.com/index.pl?a=..._Diameter_70mm

The BMC website says this should be bought with BMC CDA induction kit for ZS 180.

see this :
http://www.bmcairfilter.com/search_a...arca=44&lng=11

cheers

Kai