Oil leak on front passengers side of motor

Scott_S · 08-28-2021, 03:36 PM

Hey all, I have an 11 35ixdrive and it has developed an oil leak on the passengers side of the motor on the front. It’s been pretty slow, a few drops on the ground when parked over night, but I want to try and fix it. I got under it today and I could see the water pump had a lot of oil on it so it has to be above that. I am thinking bad vanos seals? Any other ideas where to look? I know it’s not the valve cover because that is dry, but I’m not sure if there is anything else in that area other than vanos that could leak oil.

argento · 08-28-2021, 07:42 PM

I had a leak in the same area turned out to be upper and lower oil pan (X5M). GL.

TwinSnailz · 08-28-2021, 10:04 PM

Good ol’ N55 , oil filter housing gasket.

Scott_S · 08-29-2021, 10:28 AM

Quote:

Originally Posted by TwinSnailz

Good ol’ N55 , oil filter housing gasket.

It’s on the other side of the motor, passenger side.

TwinSnailz · 08-29-2021, 11:35 AM

Quote:

Originally Posted by Scott_S

It’s on the other side of the motor, passenger side.

Because the engine tilts to the passenger side, oil tends to go that route. Check around the filter housing just in case.

Scott_S · 08-29-2021, 12:00 PM

Quote:

Originally Posted by TwinSnailz

Because the engine tilts to the passenger side, oil tends to go that route. Check around the filter housing just in case.

You might be right, there is oil around there. I will replace that one too. Thanks!

msan · 09-11-2021, 11:49 AM

I would guess n55 passenger side might be the valve cover gasket is leaking in the back passenger side corner.

Scott_S · 09-11-2021, 11:54 AM

Quote:

Originally Posted by msan

I would guess n55 passenger side might be the valve cover gasket is leaking in the back passenger side corner.

I ended up changing the oil filter housing gasket and that stopped the leak

msan · 09-11-2021, 03:15 PM

Quote:

Originally Posted by Scott_S

I ended up changing the oil filter housing gasket and that stopped the leak

Good to know as I haven't had to change my OFHG yet

08-28-2021, 03:36 PM	#1
Scott_S Private First Class 9 Rep 108 Posts Drives: 11 X5 35i, 16 F80 ZCP Join Date: Aug 2018 Location: Minnesota iTrader: (0)	Oil leak on front passengers side of motor Hey all, I have an 11 35ixdrive and it has developed an oil leak on the passengers side of the motor on the front. It’s been pretty slow, a few drops on the ground when parked over night, but I want to try and fix it. I got under it today and I could see the water pump had a lot of oil on it so it has to be above that. I am thinking bad vanos seals? Any other ideas where to look? I know it’s not the valve cover because that is dry, but I’m not sure if there is anything else in that area other than vanos that could leak oil.
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08-28-2021, 07:42 PM	#2
argento Captain 538 Rep 872 Posts Drives: 2013 X5M Join Date: Mar 2012 Location: Houston iTrader: (0)	I had a leak in the same area turned out to be upper and lower oil pan (X5M). GL. __________________ 2013 X5M AW/Blk Build Thread: https://www.xbimmers.com/forums/show....php?t=1499820
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08-28-2021, 10:04 PM	#3
TwinSnailz First Lieutenant 75 Rep 357 Posts Drives: 2011 X5//M Join Date: Nov 2009 Location: IL iTrader: (0)	Good ol’ N55 , oil filter housing gasket.
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09-11-2021, 11:49 AM	#7
msan Major 403 Rep 1,171 Posts Drives: 2011 E90 M3 / 2012 X5 35i M Sp Join Date: May 2015 Location: Los Angeles, CA iTrader: (16)	I would guess n55 passenger side might be the valve cover gasket is leaking in the back passenger side corner.
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