BMS Cowl Filter Covers and Vents Air Flow

HellfireZA

Member
Does anyone have these? More importantly can we get them locally?

On another note the air flow through my vents doesn't seem to be that great, everything works but flow seems bad... what filter is this related to and how can I imporive it?
 

Mo63

///Member
Speak to Uncle Charles (Twinz) or Zaahier from RennZport , They keep the Burger Tuning bolt on intakes and a few other goodies that go with it :thumbs:
 

akash

Well-known member
If i am correct the Cowl filter is what we call the Cabin filter which filters the outside air coming into the cabin.

If it is, you can get these filters from Autozone.
 

HellfireZA

Member
Well I thought that filter was the issue, but this morning I took it out completely... put the cover back on, went in my car and turned the air up to a max of 4 and it didn't seem that different... I just got the car over a week ago so maybe I'm just used to my previous car? Should I feel a huge difference while just standing still engine off?
 

boost3d

Honorary ///Member
I have a set of these, the intention of the bms filters is to reduce the need for the engine cowl on the car and allow easier access to the dme box...
They don't work so nicely when it rains but they do allow you to hear the turbo's spooling and assist with removing heat from the engine bay.
 

HellfireZA

Member
German_spec said:
I have a set of these, the intention of the bms filters is to reduce the need for the engine cowl on the car and allow easier access to the dme box...
They don't work so nicely when it rains but they do allow you to hear the turbo's spooling and assist with removing heat from the engine bay.
Well I've got a 330i so I don't have any turbos. What do you mean exactly they don't work so nicely when it rains?

Tried to phone RennZport.... Charles number on their website doesn't exist and Zaahier doesn't even ring.
 
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