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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 1 Series & 2 Series > E82 / E87 / E88 1 Series (2008 - 2013)

E82 / E87 / E88 1 Series (2008 - 2013)
BMWs throw back to the iconic 2002, with a renewed form and function. The smallest car in BMW's line up but still packs a punch. Available in coupe or convertible, powered by a naturaly aspirated inline 6 in the 128 or the turbo twin power inline 6 rocket sled 135.

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  #1  
Old 03-13-2017, 12:21 PM
V8TBirds V8TBirds is offline
Geolter Blitz
Location: CT
 
Join Date: Oct 2005
Posts: 15
Mein Auto: 2001 330xi 5sp CWP/PP
OIL LEAK N55 filter housing BEWARE

Hi guys and gals,,
Just a quick note that you should be aware: these so-named N54 and N55 engines have a notorious issue with the two gaskets on the oil filter housing: one gasket is mated from the housing to the motor, the other is the housing to the heat exchange unit. The problem it appears is that the silicone that BMW uses for these gaskets is not very robust: at about 45,000 miles they degrade and leak. This can be catastrophic if OIL/COOLANT begin to blend and mix with one another.

Getting to the heat exchange unit gasket is a breeze; getting to the engine-side gasket is a ****** --- you need to at least pull away the intake manifold, to get to one of the three bolts, and another bolt is behind and underneath the unit requiring, IMO, at least removal of the electric fan and shroud.

Thankfully my car is under warranty, so I'll let the mech at BMW do this service. HOWEVER -- if you need to do this as a DIY BE CAREFUL! You'll want to leave yourself plenty of time to do this, and then plenty of scotch afterwards to ease your pain..

As an added note: Since these gaskets are designed to fail, I suggest coating them with a thin amount of Ultra Grey gasket sealant......I've used this on all my replacement silicone gaskets, and this stuff AVOIDS FUTURE LEAKS!!

Anyway ... stay safe; fly fast and low!

All the best,
Glenn
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  #2  
Old 03-13-2017, 08:36 PM
Ric in Richmond Ric in Richmond is offline
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Location: .
 
Join Date: Jan 2015
Posts: 60
Mein Auto: .
Just make sure you do not drop ANYTHING in the holes exposed by the removal of the oil filter housing.

Shop destroyed my motor and is replacing with a lower mile salvage motor from another 135i at no cost.

Here is my story....

http://www.1addicts.com/forums/showthread.php?t=1359507


The other bad thing that happens from an OFHG leak is belt failure and the design of the crank pull encourages the shredded belt fibers to into the front main seal and destroy the timing chain.
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Ric in Richmond


'11 135i BSM/ Koral 6 mt
'11 528i
'02 Mini Cooper S
'90 325is M52 swap
'83 R80

Last edited by Ric in Richmond; 03-13-2017 at 08:38 PM.
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  #3  
Old 03-14-2017, 12:23 PM
V8TBirds V8TBirds is offline
Geolter Blitz
Location: CT
 
Join Date: Oct 2005
Posts: 15
Mein Auto: 2001 330xi 5sp CWP/PP
Ric's nightmare

Well, that is certainly a nightmare situation that you had. Hopefully, this dealer's shop will not have similar issues.

All the best,
Glenn
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