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      04-08-2016, 02:26 PM   #67
JNoSol
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Quote:
Originally Posted by financenick View Post
Understood, is easy job though, and easy to replace.. The next mod would be to put the box back on and then have your self a closed in air feed (but i prefer the noise).

I think the only people who make those maf pipes only sell them in the full kit for $thousands
Just to confirm, you have to cut the MAF pipe section to fit RAMAIR?

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      04-08-2016, 03:47 PM   #68
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Yes, you cut the pipe just 1" up from the box, I'll show you what's left after the cut
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      04-08-2016, 04:04 PM   #69
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here's the left overs
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      04-08-2016, 04:10 PM   #70
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Oh man. I don't think I can go through with that! It would hurt my soul to tear up an OEM part.
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      04-08-2016, 04:12 PM   #71
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Quote:
Originally Posted by financenick View Post
here's the left overs
Gotcha. That's good that you left an inch, because to restore it back to stock you just have to use similar silicone hose and clamps that came with the RAMAIR kit. The dealer wouldn't give a crap and probably won't notice if you trade it back in, LOL.
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      04-08-2016, 04:25 PM   #72
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juat go for it - it's only a bit of plastic, you won't regret it.. I felt the pain too as my car only done 2000 miles - but soon got over it when I heard the turbos singing !!
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      04-08-2016, 07:42 PM   #73
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Quote:
Originally Posted by financenick View Post
juat go for it - it's only a bit of plastic, you won't regret it.. I felt the pain too as my car only done 2000 miles - but soon got over it when I heard the turbos singing !!
Just bought the RAMAIR with 150mm base. TheHouseWon
Now we need to figure out how to add oil catch cans for our cars. It's a huge issues with oil getting into the intakes.

http://f10.m5post.com/forums/showthread.php?t=1241722
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      04-08-2016, 09:54 PM   #74
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Doesn't the 335i crowd do that a lot (catch cans)?
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      04-09-2016, 04:44 AM   #75
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Hmmm interesting, we used to fit hand made catch tanks like the one on my old show supra, BUT this was for better engine breathing which led to reduced or zero blow by into intakes. It may be difficult to install drain off's effectively but will look into it

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Last edited by financenick; 04-09-2016 at 07:29 AM..
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      04-09-2016, 04:50 AM   #76
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http://www.burgertuning.com/BMW_335_oil_catch_can.html but is not offered for the M5
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      04-09-2016, 04:56 AM   #77
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UPDATE: Sorted: https://www.ecstuning.com/BMW-F10-M5...Can/ES2816990/
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      04-09-2016, 07:31 AM   #78
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just checked after changingd my oil to Castrol 5w-40 recently and my intakes are bone dry now, the slight change in viscosity could have helped, but before some oil had collected
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      04-09-2016, 08:00 AM   #79
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Quote:
Originally Posted by JNoSol View Post
Just bought the RAMAIR with 150mm base. TheHouseWon
Now we need to figure out how to add oil catch cans for our cars. It's a huge issues with oil getting into the intakes.

http://f10.m5post.com/forums/showthread.php?t=1241722
im going to get in trouble for this, but after starring at my engine for a few mins i think ive worked out the best fix for this, and been done many many times before. the engine breather connects via a push clip to top of intake pipe

1) Remove engine pipe and fit after market oil breather filter
2) Seal open hole in air intake where pipe used to connect

However it may be worth extending the pipe away from turbos as the filters could melt, or just buy metal filters

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      04-09-2016, 08:03 AM   #80
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i also think the engine breaths better now the RAMAIR filters are fitted reducing pressure and blow by
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      04-09-2016, 09:38 AM   #81
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Quote:
Originally Posted by financenick View Post
$120 (catch can) + $46 (required bracket) = no thanks!

I like your hot-rod idea of putting a breather in there. I've seen some universal catch cans that would probably work http://www.americanmuscle.com/mishim...blue&GID=80263
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      04-09-2016, 10:53 AM   #82
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Quote:
Originally Posted by TheHouseWon View Post
$120 (catch can) + $46 (required bracket) = no thanks!

I like your hot-rod idea of putting a breather in there. I've seen some universal catch cans that would probably work http://www.americanmuscle.com/mishim...blue&GID=80263
Well, you would need 2qty of it so double that cost. Breather filters aren't good ideas (unless you plan to replace it every month, they get very dirty quick and a clogged breather filter is bad for the motor). There are numerous debates about it and the conclusion on each of those thread is to leave the hose in tact. So having oil catch cans retain the OEM vacuum pressure to the crankcase while capturing the oil that passes by (between the intake and the PCV valve).

I spoke to a few M5 guys. They said clean the PCV valve regularly and there shouldn't be oil blow by issues. On the new M3/M4 S55 motor, BMW has built in an oil catch can system that recycle the oil. That explained why I never had to top off my oil when I had the F80 M3 for 12k miles. I only had my M5 for over a month, already went through over a quart. Downshifting hard increase the chance of oil blow by, which I did a lot of that.

Fact: Oil getting into the intake lowers fuel Octane level. Second, we have direct injection so the injectors can't clean the oil collected on the intake valves. That's where walnut shell blasting comes in every 50k miles.

There are cheap catch cans online. You just have to make brackets for them.
http://www.ebay.com/itm/Billet-Alumi...hVNuJR&vxp=mtr
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Last edited by JNoSol; 04-09-2016 at 11:02 AM..
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      04-09-2016, 11:06 AM   #83
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Quote:
Originally Posted by financenick View Post
i also think the engine breaths better now the RAMAIR filters are fitted reducing pressure and blow by
That is true, free flow filters reduce vacuum pressure = less oil blow by. I will clean my PCV valves with carburetor cleaner spray when the RAMAIR intakes come.
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      04-09-2016, 11:10 AM   #84
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Perfect, and yes I recon the breather filters would get dirty quick
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      04-09-2016, 12:12 PM   #85
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Great info. Thx
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      04-11-2016, 11:27 AM   #86
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Have PM'd TheHouseWon and JNoSol
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      04-15-2016, 03:54 AM   #87
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Thanks for sharing this info financenick . I may do this soon. Any sound clips on the intake? I'm assuming it sounds identical to the BMS intake. Also did you dremel the intake pipe inside the engine bay or removed the piping then cut?
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      04-15-2016, 04:06 AM   #88
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Quote:
Originally Posted by ice7 View Post
Thanks for sharing this info financenick . I may do this soon. Any sound clips on the intake? I'm assuming it sounds identical to the BMS intake. Also did you dremel the intake pipe inside the engine bay or removed the piping then cut?
You have to remove the pipes from engine bay to ensure no bits of plastic from the cut find there way into the turbos.

As for the sound, yes identical to the BMS (maybe a little louder) you hear the main difference half way through gear changes, you get a nice audible air surge on acceleration and then another on throttle lift off, also pops and bangs from exhaust seem to have increased.
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