DIY- Oil filter housing leak fix (pic included) - Bimmerfest - BMW Forums



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  #1  
Old 01-30-2014, 09:28 PM
v8power v8power is offline
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Wink DIY- Oil filter housing leak fix (pic included)

The "Ultimate Unreliable Machine" is at it again.

This time, if you see this pool of oil:



And you try to:
Clean it
Replace the oil filter gasket O-ring
But oil stills shows up at the area in a few days.
Craptastic ! You have an oil filter housing gasket failure !

Very common problem on the N54's which indeed carry on to the N55 as well. Thanks BMW for addressing the problem.

Quick info of my vehicle:
2011 X5 35i
35,xxx miles
Still under warranty, but I don't want to deal with hassle of dealership. They will most likely replace the oil filter O-ring, which I already did, and send me on my way. Plus I need to do a good cleaning that the leak has created for quite sometime. Its all over the alternator and whatever that is below it.

Parts:
Heat exchanger gasket #11427525335
Oil Filter Housing gasket #11427537293
BMW blue coolant

Tools:
Torx bits
Torx sockets
E10 torx wrench
and basic tools ratchet,extensions , etc

Now before proceeding, I am in no way responsible for any mishap, missing nuts/bolt, stripping nuts/bolt, cel, engine failure, explosions, fire, etc. Work at your own pace and skilled level.
*This job requires you to back out the intake manifold in order to reach "ONE" silly bolt on the housing*

First remove the lower skid pad so oil and coolant doesn't get on it. You don't need to if you aren't a meticulous person.

Remove aluminum stress bar thats over the radiator area (4 bolts)

Remove Airfilter box, upper and lower half. Lower half is held on with 3 rubber grommet, so lift straight up firmly.
Remove the other cover in the other side and you'll see the ugliest engine ever.



Time to remove the intake manifold.
First remove these 2 torx screw on the rear of the manifold:



Remove Manifold. 6 nuts 1 bolt , the X on the rear is behind the big wire loom. This is where patience is key, whatever you do, do NOT drop the nuts/bolt when remove and when put back in. You don't want to lose these !



Now pull as far as it will budge, you might need to wedge a screw driver first to separate the gasket. Until the gap looks like this:



You can use the E10 wrench here but I chose the e10 socket with ext instead, easier.

Now you can drain SOME of the coolant, just about 1-2 qt, realoem shows there's a drain plug on the radiator. But I could not locate it as it's so cramp in the area. So I just pull the Coolant hose that is attach to the housing and let it spill all over my nice garage floor. Lots of towel.

I remove the the Heat Exchanger first, 3 bolts:



As you can see the dirt and oil build up under it



Remove Housing (3 bolts):



Remove 2 crappy gasket, clean the housing and put on new gasket:



Clean the surface of the engine surface really good and clean up the rest of the engine as well. I use electric parts spray cleaner for alternator and everything else.



Now put everything back. I also did an oil change after i installed everything back on as coolant could've seep through the oil passage during the Housing removal.
Fill up coolant.
Bleed coolant * turn ignition on but don't crank the engine* hold gas pedal for about 10 sec or when you hear the water pump moving. Make sure heat is on max and lowest fan setting.
Afterwards, I also let the engine idle with the coolant cap open to burp out more air.

This was about a 3 hour job. Cost of gasket was $12 each. Dealership will charge somewhere $500-600.

Hope this helps out anyone that is out of warranty.
Enjoy your newly clean oil leak free engine.
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  #2  
Old 10-15-2014, 09:36 PM
mdriedl mdriedl is offline
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I have some oil in the area described. Would this cause a burning oil smell inside the car? (passenger front seat area??)


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  #3  
Old 10-16-2014, 06:37 AM
PAX5 PAX5 is offline
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Nice write-up!

It's good to see that some still believe that the best way to solve a problem is to do it yourself (if you can) ...

Couple of observations:

- Be careful with "wedging a screw driver" under the (composite) intake manifold for 2 reason: can ruin the gasket and/or chip the manifold flange. If you have to, use a nylon trim tool instead.

- what was the possible cause of this? Judging from the mating surface of the two parts, the flange could possibly warp, causing a recurring leak in the future ... Or was the gasket dry and brittle?
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Last edited by PAX5; 10-16-2014 at 06:39 AM.
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  #4  
Old 02-13-2015, 07:52 AM
WCM3 WCM3 is offline
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Thanks for the DIY! Just received a report from a local dealership that our 11 X5 oil filter housing is leaking. What a horrible design..
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  #5  
Old 05-21-2016, 08:18 PM
YuCrew YuCrew is offline
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Me too

GREAT write-up!

also just told of need to repair this leak on 2012 X5 with 62,000 miles. $600. Looks like the original two gasket part numbers have been replaced with new numbers. Hopefully new numbers means a better gasket design or improved material.
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  #6  
Old 07-09-2016, 12:37 PM
YuCrew YuCrew is offline
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Hose Clamp removal

Sorry for this somewhat basic question but I've not seen this type of hose clamp and don't want to mess this up, particularly on a Saturday. I have all the hard stuff done.

Do I simply pry and remove the round spring clip and slip the hose and fitting off the oil filter housing or is the spring clip simply moved outward but not totally removed?

THANK YOU.
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  #7  
Old 07-09-2016, 01:25 PM
FredoinSF FredoinSF is offline
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Quote:
Originally Posted by YuCrew View Post
Sorry for this somewhat basic question but I've not seen this type of hose clamp and don't want to mess this up, particularly on a Saturday. I have all the hard stuff done.

Do I simply pry and remove the round spring clip and slip the hose and fitting off the oil filter housing or is the spring clip simply moved outward but not totally removed?

THANK YOU.
If that hose clamp is same design as on the M54 (and it seems to be) then yes, you pull but don't remove the clip all the way. The clip will popout to a natural "released" position, then you can remove the hose.
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  #8  
Old 07-09-2016, 04:03 PM
YuCrew YuCrew is offline
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Intake Manifold torque spec

Thank you, FredoinSF.

Anyone have the torque spec for the intake manifold fasteners (1 bolt, 6 nuts) or confirm 11 ft-lbs.

Thank you.

Last edited by YuCrew; 07-09-2016 at 04:17 PM.
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  #9  
Old 07-09-2016, 05:20 PM
boostedX5SAV boostedX5SAV is offline
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I just had my indy replace this as well as the lower oil pan gasket for a lot of money. He said that the problem is with the gasket and it will deteriorate after a while so it seems like I'll have to replace it again in a few years again. This diy will help for when I feel adventurous to tackle the job myself.

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  #10  
Old 07-10-2016, 01:59 PM
YuCrew YuCrew is offline
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Thought I'd take a few minutes to make some very insignificant contributions to a MOST excellent write-up by v8power.

The latest part numbers for the seals are: 11428637820 and 11428637821 (hopefully the new numbers mean new material or improved design but who knows if this is just wishful thinking on my part)
I needed a deep 11mm socket to properly torque the nuts which hold the intake manifold. My standard 11mm was not quite deep enough although I was able to remove the nuts with this standard socket
The lowest, frontmost bolt holding the oil filter housing is an E-8. An E-8 ratchet wrench is it appropriate tool if you don't want to remove the adjacent coolant hose just to the left (facing the engine from the front bumper) and use a conventional E-8 ratchet and socket. However if you have a 5/16" ratcheting wrench, that works quite well and just slightly "tighter" than an 8mm ratcheting wrench. Just be careful not to strip the head. I take no responsibility if you don't know your own strength! I'm just sharing what worked for me. I removed this bolt last of the 3 bolts holding the oil filter housing.
The 3 oil cooler bolts and 3 oil filter housing bolts should be torqued to 16 ft-lbs.
I think the intake manifold fasteners should be torqued to 11 ft-lbs but please correct this if you believe it is inaccurate.

Hope this helps someone.
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  #11  
Old 01-14-2017, 05:51 PM
jaxmehmet jaxmehmet is offline
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Excellent write up, I appreciate you and everyone else taking the time to reply but one question as I have to do this...

Why did you remove the intake manifold? Can it be done without remove the manifold?
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  #12  
Old 01-14-2017, 07:33 PM
YuCrew YuCrew is offline
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Intake Manifold

one of the 3 bolts holding the oil filter housing is UNDER the intake manifold and most of us were not able to remove that 3 "rearmost" bolt without slightly lifting the intake manifold to create clearance for the socket to loosen that bolt. One of the pictures above show that bolt head but the intake manifold is already loosened an lifted in order for you to see and access it. If I recall correctly, the ideal tool is a universal e-10, 1/4" drive (NOT 3/8" drive). There are some posts which suggest you can get this third bolt off with 1/4" drive universal e-10 but most (not all) seem to feel the intake manifold has to be loosened and slightly lifted at a minimum.
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Old 01-14-2017, 11:12 PM
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roadie roadie is offline
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Just got this done by dealer under warranty
If you see oil puddle under the car and a burning smell in the car this is the fix
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Old 01-15-2017, 06:00 AM
jaxmehmet jaxmehmet is offline
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Gotcha! Thanks for the quick response!
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  #15  
Old 03-13-2017, 04:53 PM
masonbonar masonbonar is offline
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Great Write Up

Thanks for the time and cost estimate too!
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Old 05-18-2017, 01:25 PM
Bimbimm3 Bimbimm3 is offline
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Just replaced my gaskets per your instructions! Thank you so much for the great write up and pictures!
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Old 09-08-2017, 04:39 PM
hockeyadc hockeyadc is offline
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Any chance this DIY exists somewhere with the pictures?
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  #18  
Old 11-10-2017, 07:41 PM
Doubletree1304 Doubletree1304 is offline
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Quote:
Originally Posted by roadie View Post
Just got this done by dealer under warranty
If you see oil puddle under the car and a burning smell in the car this is the fix
Did you have extended warranty and if so, what kind and how much did you pay for it?
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Old 02-25-2018, 01:49 PM
noelskii noelskii is offline
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Great write up! I just finished replacing my gaskets.

I didn't need to remove the intake manifold. If you have a small 8mm gear wrench, you can use that to remove that bolt back there.

I also didn't bother finding the coolant drain. I just covered as much of the belt as I could and the alternator. I let the coolant drain via the oil cooler smh. I did end up refilling 1qt coolant and 1qt water. Whole thing took about 1.5 hrs (not including hosing down the garage floor lol).

And I didn't replace the bolts because I couldn't wait til tomorrow to get them. They looked good though...I cleaned the bolts and oil filter housing/cooler using the MAF sensor cleaner. Works good!

Next up! Valve cover gasket!

And hopefully a deep cleaning/degreasing of the whole engine bay. Will probably try to find a local place that will do this for a good price.
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Last edited by noelskii; 02-25-2018 at 01:50 PM.
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Old 09-11-2018, 10:49 AM
gabb7 gabb7 is offline
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thanks for the great write up. I'm half way into this, I would also second the advice not to lose the screws when taking the intake manifold aside. I used a magnet to remove the screws after getting them lose so no chance to drop them in the tight space.

also doing an oil change and coolant flush at the same time will help, there was almost no spillage after the oil is drained and removing all the coolant from the coolant reservoir (I didn't do a complete drain).

Bay Area BMW service quoted me $1097.65 for replacing these two gaskets. ($115.59 parts + $970.88 labor + tax)
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Old 09-12-2018, 09:15 AM
noelskii noelskii is offline
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7 months later and it's leaking again.........WTF

Hoping it's just the oil filter o-ring...
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Old 09-12-2018, 10:47 PM
J_ANT$ J_ANT$ is offline
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7 months later and it's leaking again.........WTF

Hoping it's just the oil filter o-ring...
What brand did you use for the gaskets?
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  #23  
Old 09-13-2018, 12:36 PM
noelskii noelskii is offline
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What brand did you use for the gaskets?
Mahle was the brand
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  #24  
Old 10-29-2018, 09:42 AM
noelskii noelskii is offline
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Just did this again this weekend... .......
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  #25  
Old 10-29-2018, 03:16 PM
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Doug Huffman Doug Huffman is online now
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How did the failed gasket look, could you determine a likely failure mode?
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