M3 Guy's 2012 Monte Carlo Blue X5M Journal

[gixxerboy63]

Originally Posted by m3 guy

...This photo below is for the guys wondering about my catless downpipe cats in the midpipes setup. For reference here is my exhaust setup:

1. AR Design catless downpipes ceramic coated.
2. PTP S63 turbo blanket. Sits on top of the oem metal heatsheild.
3. Supersprint section 1 with 100 cell milspec cats welded in.
4. Supersprint section 2 xpipe.
5. Eisenmann sport black series muffler with 90mm rolled tips.

Here is the midpipe cat/xpipe setup:



I got this idea from the older euro M3's before emissions got too strict so it's not a foreign concept. My main goal was to remove heat from the engine bay and this setup accomplishes that perfectly. I still have a little smell since I went with 100 cell, but going 200 or 400 would definitely eliminate it. The sport valved muffler also controls cold start and refines my systems sound. Straight pipe systems sound unrefined to me so a brand like Eisenmann that focuses solely on sound improvement with valve control was just what I was looking for.

You were previously running catless, correct? Did the addition of the 100 cell cats change the performance or the sound at all?
What tune are you running now? stage 1, stage 2, stage 2+?

[m5 guy]

Originally Posted by gixxerboy63

You were previously running catless, correct? Did the addition of the 100 cell cats change the performance or the sound at all?
What tune are you running now? stage 1, stage 2, stage 2+?

I'm running the Velos stage 2+ and only had my setup on for one full day before having the cats welded in. As such I'm unable to give you an accurate assessment on both sound and performance differences between the two. I can say that my setup was not done for emission control, I'm still running a cat less tune and there are no O2's in the cats. This was done only for smell and in that regards it has performed it's job well. A little smell is still there because I'm only using 100 cell, but it is wayyyyyyyyy more tolerable than a pure cat less setup. I'm using catless e9x 335s and M3s as comparison.

[Cattivo]

Originally Posted by m3 guy

Mod Update:

The BMC filters came in the other day so I went about with the install. Ordered them direct from their website and it made it from Italy to Hawaii in one weeks time.

I was also going to remove the charcoal filter as well only to find out my car didn't have them. Fitment was just about perfect, the only issue was there is a 'T' in the front scoops that interferes with the BMC mould that made them bow. Installing them fixed the bow issue but I might remove the plastic 'T' later anyways. No averse affects so far and the placebo effect tells me I gained a million hp and that the engine revs more freely lol...


Nice box is nice:


Filters :






Work Begins:


T-25 Torx is all you need:


No charcoal filters:


Stock paper:


BMC installed. Notice the bowing effect from the 'T' that is in the center of the two filters inside the airbox itself:


Until next time...

Hey buddy, I just installed the BMC air filters today and had the same bowing effect in the center...did you remove that plastic piece in the middle of the air box?

[m5 guy]

I didn't remove it. I dremelled it into oblivion. Just recently in fact when I replaced them on my second set. If you look inside its just a rectangle extension on each side of the center piece. Dremel it smooth and everything fits perfect.

[Cattivo]

Originally Posted by m3 guy

I didn't remove it. I dremelled it into oblivion. Just recently in fact when I replaced them on my second set. If you look inside its just a rectangle extension on each side of the center piece. Dremel it smooth and everything fits perfect.

How much did you dremel off...1/4''-1/2'' or more?

[m5 guy]

Originally Posted by Cattivo

How much did you dremel off...1/4''-1/2'' or more?

I knew I should have taken pics lol...

If you still have the air box off look at the inside where the filters go in. You will see how the middle section is a "T". Just file off the "T" part with the dremel so it is a "l". The filters will slip in perfectly after that. Let me know if that makes sense as I'm here to help. Post pics if you want.

[Cattivo]

Originally Posted by m3 guy

I knew I should have taken pics lol...

If you still have the air box off look at the inside where the filters go in. You will see how the middle section is a "T". Just freely off the "T" part so it is a "l". The filters will slip in perfectly after that. Let me know if that makes sense as I'm here to help. Post pics if you want.

Thanks Kimo, I'll try that tomorrow it's too dark and cold out already lol

[m5 guy]

Sounds good. It's sunny and hot over here so I don't blame you.

[gixxerboy63]

Hey M3 Guy, when are going to post your ride in the X5M registry?http://www.xbimmers.com/forums/showthread.php?t=1206468

[m5 guy]

Originally Posted by gixxerboy63

Hey M3 Guy, when are going to post your ride in the X5M registry?http://www.xbimmers.com/forums/showthread.php?t=1206468

My bad I keep meaning to do that. I'll get it posted up tomorrow when I'm not on my phone.

[m5 guy]

So this just happened:

Was going to try and get a F80 next year, but this was too good to pass up.

2010 M5 Black sapphire on black
Purchased with 28k miles on 01/15/16
All options except full leather and cooled seats
Came with a Tubi exhaust that was powdercoated black.

[boneca]

Originally Posted by m3 guy

So this just happened:

Was going to try and get a F80 next year, but this was too good to pass up.

2010 M5 Black sapphire on black
Purchased with 28k miles on 01/15/16
All options except full leather and cooled seats
Came with a Tubi exhaust that was powdercoated black.

[IMG]http://i195.photobucket.com/albums/z...psagdsmdef.jpg[/IMG]

[IMG]http://i195.photobucket.com/albums/z...psfqd6k8dg.jpg[/IMG]

[IMG]http://i195.photobucket.com/albums/z...psyfqjy6sw.jpg[/IMG]

[IMG]http://i195.photobucket.com/albums/z...ps8qesbj33.jpg[/IMG]

[IMG]http://i195.photobucket.com/albums/z...pswfigbyr6.jpg[/IMG]

[IMG]http://i195.photobucket.com/albums/z...pslj1g8ped.jpg[/IMG]

congrats man, looks great, can't wait to see what u gonna do with it!

[Gatoferoz25]

Congrats brother
First pic it's killing me with that blue beast next to it.
I want those 21s so bad just thinking about color for my silver beast

[330i zhp]

Beautiful. Congrats

Did you get the piano black trim for the x5 today?

[GcD]

Twinning!

[Cattivo]

Congrats on the E60! dibs on your LED headlights when you part out the beast

[gixxerboy63]

Very nice.
So which one is faster?

[m5 guy]

Originally Posted by boneca

congrats man, looks great, can't wait to see what u gonna do with it!

Thanks! It should be fun. Started a journal on m5board so feel free to follow along over there.

Originally Posted by Gatoferoz25

Congrats brother
First pic it's killing me with that blue beast next to it.
I want those 21s so bad just thinking about color for my silver beast

Do it! I say do a brushed/polished bronze.

Originally Posted by 330i zhp

Beautiful. Congrats

Did you get the piano black trim for the x5 today?

Thanks and yes I received it. Looks great, just have to work on a few more things before installation.

Originally Posted by GcD

Twinning!

We'll see about that...

Originally Posted by Cattivo

Congrats on the E60! dibs on your LED headlights when you part out the beast

No parting out sir. The X5M is a keeper.

Originally Posted by gixxerboy63

Very nice.
So which one is faster?

That's hard to say. It's a torque monster vs a screaming banshee. Brutal vs smooth. Two totally different feelings. It really is a nice problem to have.

[boneca]

Originally Posted by m3 guy

Thanks! It should be fun. Started a journal on m5board so feel free to follow along over there.

Your thread started to pickup over there, nice to see so many questions about X5M, you gonna make them convert

Originally Posted by m3 guy

It really is a nice problem to have.

Totally

[Dossey]

Originally Posted by m3 guy

.....

I got this idea from the older euro M3's before emissions got too strict so it's not a foreign concept. My main goal was to remove heat from the engine bay and this setup accomplishes that perfectly. I still have a little smell since I went with 100 cell, but going 200 or 400 would definitely eliminate it. The sport valved muffler also controls cold start and refines my systems sound. Straight pipe systems sound unrefined to me so a brand like Eisenmann that focuses solely on sound improvement with valve control was just what I was looking for.

Do you still get louder than stock turbo spooling with the 100 cell cats in place? That's what I miss the most from my full exhaust/catless F10 M5. I currently have the Dinan axle back and, as we all know, it isn't very aggressive. I'm thinking about adding catless DP's but I want to keep the smell and cold start to a tolerable level so I like the idea of doing the 100 cell cats as long as it doesn't mute the spooling turbos too much.

[black1]

Great choice with the e60 M5. I've always wanted one of those, not too many v10s on the road anymore.

[m5 guy]

Originally Posted by Dossey

Do you still get louder than stock turbo spooling with the 100 cell cats in place? That's what I miss the most from my full exhaust/catless F10 M5. I currently have the Dinan axle back and, as we all know, it isn't very aggressive. I'm thinking about adding catless DP's but I want to keep the smell and cold start to a tolerable level so I like the idea of doing the 100 cell cats as long as it doesn't mute the spooling turbos to much.

No muting whatsoever. Hear the spooling loud and clear. It's my favorite part of the exhaust note. Love me some spool. This midpipe cat solution might be just what you are looking for then. The Dinan exhaust should help to keep the cold start tolerable while refining the tone just like my Eisenmann sport does. I say go for it. Just know that if you use 100 cell you will still have a little smell. Not near as bad as catless, but some none the less. I'm sure a pair of 200 cells would probably eliminate it, but I'm in no rush as the smell is very mild.

Originally Posted by black1

Great choice with the e60 M5. I've always wanted one of those, not too many v10s on the road anymore.

Thanks and I agree. I'm not sure we will ever see an e60 M5 type of car ever again so I had to go for it.