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      03-02-2013, 08:34 PM   #1
m3dragon
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Exclamation All 1M owners NEED TO SEE - Possible Issue with our cars

Hello Gang,

I got around to installing the parts I got for my 1M and found something that I find rather disturbing. My 1M is my DD and an occasional back roads “spirited” car. I have not tracked the car so in the general scheme of things it is driven as a normal car.

I installed the following:
  • AFE Stage II Intake
  • Burger Tunning Oil Catch Can
  • Active Autowekrs Sport intercooler
  • ER charge pipe

This leads me to why I used my tile. The images below are of the stock charger pipe and as you can see there is a LOT of oil in it. There was oil throughout the entire intake system from the intercooler to the throttle body.















As mentioned above I am DDing the car and not beating on it that hard and I have that much oil in the system.

Bottom line is get am oil catch can of some sort as the stock whatever it is SUCKS. Also if this is a issue for all of us, we need to all get on BMW to address the issue or clean our intake manifolds as that is not acceptable. Car currently has 19000 miles on her.

Now I just need to figure out how bad the funk is in the intake and manifold.
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Last edited by m3dragon; 03-02-2013 at 08:52 PM.
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      03-02-2013, 08:47 PM   #2
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Agree... this is what I emptied out of my OCC yesterday after 2,500km!

Also, when i installed an intercooler, the OEM FMIC had a fair amount of oil in it (pre OCC install)
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      03-02-2013, 09:23 PM   #3
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This looks pretty bad.

I'm going to ask them to take a look when I take it in the next time. I'll also take it to an independent shop before that.

Thanks for the info.
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      03-02-2013, 09:42 PM   #4
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WTF...
You guys are making me nervous...
Keep us updated on whatever you find.
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      03-02-2013, 09:46 PM   #5
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From the research I have done it seems all of the N54's have this issue. 1M or 135i it does not matter.
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      03-02-2013, 09:49 PM   #6
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Quote:
Originally Posted by m3dragon
From the research I have done it seems all of the N54's have this issue. 1M or 135i it does not matter.
+1

This has been reported for years.
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      03-02-2013, 09:50 PM   #7
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Quote:
Originally Posted by providence View Post
WTF...
You guys are making me nervous...
Keep us updated on whatever you find.
Get a oil catch can, end of story. Until we fight BMW and say WTF that is the only solution.
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      03-03-2013, 12:35 AM   #8
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Is this also an issue on the N55's? Anybody know?
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      03-03-2013, 12:48 AM   #9
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Quote:
Originally Posted by gregthegr8 View Post
Is this also an issue on the N55's? Anybody know?
This is not a 1M or N54 related issue. All modern direct injection engines are subject to same problem in different degrees. Oil catch cans for sure should help (they catch some oil after all) but I heard that it is impossible to completely prevent the problem and eventually valve cleaning is necessary.

Lots of detailed read in internet and in these forums are available.

My take is it all comes down to how long you plan to keep your car if you bought it new. In my case, I will try to keep 1M as long as possible so I better buy and install an OCC for a starter, maybe I can't prevent it all together but at least I can delay and ease this.
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      03-03-2013, 01:13 AM   #10
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Quote:
Originally Posted by m3dragon View Post
Get a oil catch can, end of story. Until we fight BMW and say WTF that is the only solution.
Fight BMW? lmao...

This is a normal operating "by product" of this, and many more, engines.

The fact that the car is turbo charged makes it consume much more oil and the fact it has direct injection makes it gather more carbon buildup on the valves and requires more frequent cleaning.

I have yet to find a turbo charged car that does not have a small amount of oil in the intercooler, or in the intake tracks. All modern cars return this oil for emissions and you can fight the lawmakers who decided to make manufactures design it this way.

As it may be though, many DI cars are now coming with secondary, standard fuel injectors for service on top of the DI injectors. This way it isnt such an issue with carbon buildup. BMW should have designed or built into the intake system secondary injectors for this reason.

Oh well... every 50k miles clean the valves and intake pipes and you should be GTG.
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      03-03-2013, 02:12 AM   #11
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Quote:
Originally Posted by gregthegr8 View Post
Is this also an issue on the N55's? Anybody know?
Yes, get an OCC from BMS
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      03-03-2013, 02:20 AM   #12
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Quote:
Originally Posted by Ian///M
Quote:
Originally Posted by gregthegr8 View Post
Is this also an issue on the N55's? Anybody know?
Yes, get an OCC from BMS
+1. A economic and must mod.
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      03-03-2013, 03:18 AM   #13
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Thats bothering me a lots.
Wheres the oil coming from?
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      03-03-2013, 03:22 AM   #14
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As noted by others above, this problem is largely unavoidable in direct injection turbo charged engines which recirculate oil vapors into the air intake. I suppose an OCC will reduce oil vapors entering the intake manifold, but I doubt the problem will be eliminated short of redirecting the crankcase vapors.

I started a thread about this issue as it relates to cleaning the intake valves on the N54. I cleaned the valves on my 335xi last fall, and expect to do the same on my 1M sometime in the next couple years. The process is tedious but straightforward. For those interested you can find many more details here:

Cleaning Intake Valves on the N54
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      03-03-2013, 04:33 AM   #15
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All my turbo cars had that I would say it is normal. It comes from oil breather.
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      03-03-2013, 09:46 AM   #16
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My RS4 was the start of my exposure to this as direct injection proliferates...the Audi is still the champ of the carbon debacle. I believe a manufacturer or two has supplemented with small, secondary injection upstream to let the detergents in gas do their thing...
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      03-03-2013, 10:03 AM   #17
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Yep, get a occ and clean out your intercooler periodically.

Really nothing worrisome in the least.

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      03-03-2013, 10:49 AM   #18
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This is a pretty classic N54 thing. The intercooler and chargepipe get a lot of blowby, its why OCCs were invented, but they have varying degrees of success.

Its also where your half a quart every OCI goes.
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      03-03-2013, 11:02 AM   #19
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I understand how a turbo works and there could be oil but at the same time that is not acceptable. The amount I had for a DD was surprising to me I admit. On the same note the average buyer who is not a gear head is constantly damaging their car (IE Fouling the intake).

This is a issue that should have been addressed from the factory not by a after market OCC. Only reason I see they did this besides the obvious cost cutting is to make customer pay for a cleaning service which would be big $$$$$$$.

So to 1911A145 I do say we should do something as that is not acceptable. Same thing with my M3 and the rodbarings.
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      03-03-2013, 11:07 AM   #20
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Quote:
Originally Posted by m3dragon View Post
I understand how a turbo works and there could be oil but at the same time that is not acceptable. The amount I had for a DD was surprising to me I admit. On the same note the average buyer who is not a gear head is constantly damaging their car (IE Fouling the intake).

This is a issue that should have been addressed from the factory not by a after market OCC. Only reason I see they did this besides the obvious cost cutting is to make customer pay for a cleaning service which would be big $$$$$$$.

So to 1911A145 I do say we should do something as that is not acceptable. Same thing with my M3 and the rodbarings.
The oil does not damage the car. The benefits of direct injection far outweigh the detriments. Yes, periodic cleaning of the intercooler and walnut blasting of the valves should be added to the maintenance schedule to preserve optimal performance. Really no biggie!

Neil
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      03-03-2013, 11:08 AM   #21
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Quote:
Originally Posted by m3dragon View Post
I understand how a turbo works and there could be oil but at the same time that is not acceptable. The amount I had for a DD was surprising to me I admit. On the same note the average buyer who is not a gear head is constantly damaging their car (IE Fouling the intake).

This is a issue that should have been addressed from the factory not by a after market OCC. Only reason I see they did this besides the obvious cost cutting is to make customer pay for a cleaning service which would be big $$$$$$$.

So to 1911A145 I do say we should do something as that is not acceptable. Same thing with my M3 and the rodbarings.

BMW doesnt think of everything, especially with a first generation engine (like the N54)

Dont forget 335s didnt originally come with an engine oil cooler.
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      03-03-2013, 11:45 AM   #22
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Added also this issue to the 1M issues log sticky:
http://www.1addicts.com/forums/showp...27&postcount=1
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