Catch cans working

[Dawgz]

Originally Posted by milarsky

Terrific descriptions and great job. I am in NYC and was wondering if I need some help might you be nearby to advise? If you are not comfortable answering I totally get it, no worries.
best,
jeff

Yea just let me know if you run into anything.

[Dave00]

Dawgz - First off, I want to give ALL the credit where credit is due and tell you thank you for putting this up and sharing your experience and guidance for this setup and installation. I finally completed mine and copied your setup and cleaned it up a bit by adding Fiberglass heat sleeve to the tubes with heat shrink to seal it all up. I have to admit, you weren't joking that putting the tube over the VC and intake connections was a real PIA and took heating the tube up with a heat gun to soften the rubber and then lots and lots of pressure and pain - LOL. Setup came out nice and even just after a few miles it's already capturing vapors and I was impressed how much oil was in the crossover tube when I first removed the stock piping and I only have 20K miles on my X5M.

Here's some pics of my setup as well:

[Dawgz]

Originally Posted by Dave00

Dawgz - First off, I want to give ALL the credit where credit is due and tell you thank you for putting this up and sharing your experience and guidance for this setup and installation. I finally completed mine and copied your setup and cleaned it up a bit by adding Fiberglass heat sleeve to the tubes with heat shrink to seal it all up. I have to admit, you weren't joking that putting the tube over the VC and intake connections was a real PIA and took heating the tube up with a heat gun to soften the rubber and then lots and lots of pressure and pain - LOL. Setup came out nice and even just after a few miles it's already capturing vapors and I was impressed how much oil was in the crossover tube when I first removed the stock piping and I only have 20K miles on my X5M.

Here's some pics of my setup as well:

You did great!!! Glad it worked out for you, just keep an eye on the can via the dip stick and drain it frequently.

[0-60Motorsports]

Originally Posted by Dave00

Dawgz - First off, I want to give ALL the credit where credit is due and tell you thank you for putting this up and sharing your experience and guidance for this setup and installation. I finally completed mine and copied your setup and cleaned it up a bit by adding Fiberglass heat sleeve to the tubes with heat shrink to seal it all up. I have to admit, you weren't joking that putting the tube over the VC and intake connections was a real PIA and took heating the tube up with a heat gun to soften the rubber and then lots and lots of pressure and pain - LOL. Setup came out nice and even just after a few miles it's already capturing vapors and I was impressed how much oil was in the crossover tube when I first removed the stock piping and I only have 20K miles on my X5M.

Here's some pics of my setup as well:

Nicely done

[Dawgz]

Results of just 80~ miles.

[0-60Motorsports]

Originally Posted by Dawgz

Results of just 80~ miles.

Wow thats crazy! Thanks for posting the results.

[Dawgz]

Originally Posted by 0-60Motorsports

Wow that's crazy! Thanks for posting the results.

no problem. Its amazing how much gets collected. Imagine though, these vapors coating the valves and head over time....the intercoolers, etc. Everything just gunked over time. So surprised that they went with this design on a direct injected motor.

[Dave00]

Originally Posted by Dawgz

no problem. Its amazing how much gets collected. Imagine though, these vapors coating the valves and head over time....the intercoolers, etc. Everything just gunked over time. So surprised that they went with this design on a direct injected motor.

Yeah, a lot of that looks to be condensation as when I first completed it and drove her around 5 miles I had probably 20cc's of water in the cans. Emptied them and haven't had any since, but they are definitely working as I pulled the passenger side canister tonight after around 60 miles of driving and had a few drops of pure oil and no condensation.

[S.W.G.]

Any reason why the two inlets to the baffle couldn't be teed for one larger canister vs. dual cans? I have a larger Mighty Mouse sitting around here that needs to go in something.

[Dawgz]

Originally Posted by S.W.G.

Any reason why the two inlets to the baffle couldn't be teed for one larger canister vs. dual cans? I have a larger Mighty Mouse sitting around here that needs to go in something.

You could, the stock system does merge at a section.

Just make sure your catch can of choice has appropriate baffles or you won't catch much of the vapors.

[Jax_415]

Originally Posted by Dawgz

The catch cans: http://www.radiumauto.com/Universal-Dual-Catch-Can-P189.aspx

You'll need 10AN fittings for the catch can. I would get two 90 degree bends and two straight connections.

You'll need 6-8ft of 5/8 hose.

As for the engine cover, the piece that goes over the turbos may need to be cut on the right side so it clears the catch can. I don't run the covers anyway.

Can you post links to where to bought all the items for install?

[Dawgz]

Originally Posted by Jax_415

Can you post links to where to bought all the items for install?

The link to the cans is already in that post. All you have to do is google the rest of the hoses and fittings via the sizes I posted.

[Dave00]

Originally Posted by Dawgz

The link to the cans is already in that post. All you have to do is google the rest of the hoses and fittings via the sizes I posted.

I bought EVERYTHING on Amazon (including the cans) as they were about $20-25 cheaper with Prime shipping!!!

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

I needed the 22 and 25mm clamps:
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

3 of these:
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

4 of these (come in 2 packs):
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

4 of these:
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

This hose is 25 foot so it gives you plenty to work with and spares for the future:
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

[Dawgz]

Updated the routing for the bank 1 hoses.
I didn't like how the hose was kinking on the intake and the intercooler.

Used the following:

• 45 degree 5/8 Barb to 10 AN male
• 10 AN female to 5/8 barb

[AdamLee]

Originally Posted by Dawgz

Updated the routing for the bank 1 hoses.
I didn't like how the hose was kinking on the intake and the intercooler.

Used the following:

• 45 degree 5/8 Barb to 10 AN male
• 10 AN female to 5/8 barb

Thanks for sharing. In progress of this upgrade.

[argento]

Awesome work in this thread, well done!

$0.02 I can imagine why BMW designers didn't add catch cans, imagine REQUIRING weekly (or even monthly) maintenance by owners to empty the cans. Curious, is there a solution in more recent engines or is this something that's a nice to have?

[Dave00]

Originally Posted by argento

Awesome work in this thread, well done!

$0.02 I can imagine why BMW designers didn't add catch cans, imagine REQUIRING weekly (or even monthly) maintenance by owners to empty the cans. Curious, is there a solution in more recent engines or is this something that's a nice to have?

Catch cans are still the go to and especially even more important in newer motors with the DI setups and no valve wash effect. Honestly, after seeing all of the valves on DI setups in various motors and manufacturers, I truly think that catch cans should be installed from the factory to keep those vapors out of the intake. I agree that the normal (don't care about car maintenance or opening the hood) owner will not want to deal with it, but as an enthusiast, I wouldn't mind emptying them once in a while and would prefer the OEM look.

[xqizitm]

This thread helped. Thanks to the originator for creating it. Things I did differently was add push lock connectors but still adding clamps for peace of mind. I've since them pop off on the race track before. Also, I hate putting too much effort into stuffing the 5/8" hose on the VC and return hose. I used 3/4" hose and added a 3/4" to 5/8" connector. Makes life easier.

Link to pics: https://drive.google.com/drive/folde...aj?usp=sharing

[Dawgz]

Glad it helped!

[pjfox23]

Awesome parts list, advice, and setup on this thread. Followed it, and below is my setup (I paid 6 extra bucks for the blue and red connectors ... ha). I was even able to get the PCV lines that go lower on the block.

[Dawgz]

Originally Posted by pjfox23

Awesome parts list, advice, and setup on this thread. Followed it, and below is my setup (I paid 6 extra bucks for the blue and red connectors ... ha). I was even able to get the PCV lines that go lower on the block.

Very nice!

Came out pretty clean.

[ParmR]

Hey Dawgs, what’s the reason to connect the 2 pipes from the intake manifolds?