E90Post
 


N54Tuning.com
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Why is there oil on the front of my car? This is so damn weird...



Reply
 
Thread Tools Search this Thread
      01-26-2017, 12:04 AM   #1
vbp6us
Major Private First Class
vbp6us's Avatar
United_States
86
Rep
896
Posts

Drives: 2008 E92 335i
Join Date: Mar 2014
Location: San Diego, CA

iTrader: (2)

Why is there oil on the front of my car? This is so damn weird...

My car has been functioning fine for a long time. Mods are in the signature.
I've had the valve cover + gasket, OFHG, and all sorts of hoses, all the pulleys, serpentine belt and more replaced less than 10k miles back. I've had absolutely no issues. All of the sudden I get to work and my low oil light comes on. I get some oil and refill a couple of quarts and drive home. I then see oil all over my windshield and on the front of my car. I'm talking about absolutely soaked the front of the car. As if something is spraying it with high pressure. WTH! It seems to be slightly on the passenger side but I can't see where it's coming from. The turbos look dry from looking down there but I haven't put the car on ramps yet.

No new mods, nothing. I did hit a huge pot hole like 2 weeks ago at night going pretty fast. It bent my rims on the driver's side. Not sure if that's related. I'm about to flash a light on the car to see if I find anything. Has anyone seen this before? Oil all over the front of the car. My catch can looks to be full but I'm not sure. I also noticed that the car is low on oil AGAIN even though I just added two quarts. No lights other than the low oil. Maybe the oil cooler line is dislodged?

Please, any help is appreciated. Thanks!

__________________
2008 E92 335i 6MT: FBO + MMP Silicone Inlets | Stage 1 LPFP | 335is clutch + MFactory SMFW | Custom BuraQ E75+ MHD tune | 3.5Bar N20 sensor
Appreciate 0
      01-26-2017, 12:08 AM   #2
Nicky92
Fastest 335 on Earth
20
Rep
395
Posts

Drives: 2008 335i
Join Date: Feb 2014
Location: Levittown, NY

iTrader: (0)

oil cooler line maybe?
__________________
2008 335I 6MT - Alpine White/Coral Red; JB4 G5, MHD Flash, Motiv Port Injection, Wavetrac LSD, ST Coilovers, MMP Inlets/Outlets, AA FMIC, BMS DPs Walbro 255 pump, E85, VRSF Charge pipe, Mtech front and rear bumpers, M3 side skirts, Toyo R888s,
Appreciate 0
      01-26-2017, 12:20 AM   #3
JM98
Private First Class
44
Rep
136
Posts

Drives: 2009 135i
Join Date: May 2016
Location: SoCal

iTrader: (0)

Quote:
Originally Posted by Nicky92 View Post
oil cooler line maybe?
I vote oil cooler/ oil cooler lines
Appreciate 0
      01-26-2017, 12:32 AM   #4
cwbmw
N54 noob
United_States
2
Rep
56
Posts

Drives: 2009 E92 335i
Join Date: Jan 2017
Location: Sacramento, CA

iTrader: (0)

Garage List
Ya it almost looks like the line went flinging around after it broke off, causing oil in really weird places.
Appreciate 0
      01-26-2017, 01:22 AM   #5
vbp6us
Major Private First Class
vbp6us's Avatar
United_States
86
Rep
896
Posts

Drives: 2008 E92 335i
Join Date: Mar 2014
Location: San Diego, CA

iTrader: (2)

Quote:
Originally Posted by Nicky92 View Post
oil cooler line maybe?
Quote:
Originally Posted by JM98 View Post
I vote oil cooler/ oil cooler lines
Quote:
Originally Posted by cwbmw View Post
Ya it almost looks like the line went flinging around after it broke off, causing oil in really weird places.
I think you guys are right. Does this fitting look broken or separating to you?



Here's a close up: http://imgur.com/sC9BGd7


Check out the splash zone. It's directly adjacent to that hose:

__________________
2008 E92 335i 6MT: FBO + MMP Silicone Inlets | Stage 1 LPFP | 335is clutch + MFactory SMFW | Custom BuraQ E75+ MHD tune | 3.5Bar N20 sensor
Appreciate 1
      01-26-2017, 02:20 AM   #6
JM98
Private First Class
44
Rep
136
Posts

Drives: 2009 135i
Join Date: May 2016
Location: SoCal

iTrader: (0)

Looks like the crimped area is separating. You could try starting the car and seeing if it leaks from there.
Appreciate 1
      01-26-2017, 02:51 AM   #7
vbp6us
Major Private First Class
vbp6us's Avatar
United_States
86
Rep
896
Posts

Drives: 2008 E92 335i
Join Date: Mar 2014
Location: San Diego, CA

iTrader: (2)

Now the question is which hose/connection is it? I wonder if I should turn the car on and try to get a quick visual in the day?

EDIT: Looks like JM98 suggested that too.
__________________
2008 E92 335i 6MT: FBO + MMP Silicone Inlets | Stage 1 LPFP | 335is clutch + MFactory SMFW | Custom BuraQ E75+ MHD tune | 3.5Bar N20 sensor
Appreciate 0
      01-26-2017, 04:51 AM   #8
vbp6us
Major Private First Class
vbp6us's Avatar
United_States
86
Rep
896
Posts

Drives: 2008 E92 335i
Join Date: Mar 2014
Location: San Diego, CA

iTrader: (2)

The hose I have circled in red actually doesn't look like an oil line after studying RealOEM. It appears to be an A/C line. Would you guys agree? My car is 6MT so there are no lines that go to the transmission, right?
__________________
2008 E92 335i 6MT: FBO + MMP Silicone Inlets | Stage 1 LPFP | 335is clutch + MFactory SMFW | Custom BuraQ E75+ MHD tune | 3.5Bar N20 sensor
Appreciate 0
      01-26-2017, 09:57 AM   #9
MadeInPhilly
First Lieutenant
23
Rep
313
Posts

Drives: E30 318is, E90 335i, 03 GTI
Join Date: Sep 2009
Location: Dallas, TX

iTrader: (0)

that is pretty obvious there is a big oil leak. you have oil on your front bumper. turn the car on, take the undertray off an see where it is leaking. once you get pressure you should see where it is leaking.
Appreciate 0
      01-26-2017, 10:00 AM   #10
jwebb335xi
Captain
United_States
42
Rep
694
Posts

Drives: 2008 335 XI
Join Date: Jun 2014
Location: Chicago Burbs

iTrader: (0)

Quote:
Originally Posted by MadeInPhilly View Post
that is pretty obvious there is a big oil leak. you have oil on your front bumper. turn the car on, take the undertray off an see where it is leaking. once you get pressure you should see where it is leaking.
Absent finding the leak quickly, have it towed and repaired! Don't stave that engine of oil.
__________________
JWebb335xi

Pro-tuned Cobb| 93 Octane| Alpina B3| CP-E Downpipes| ETS FMIC| ER Charge Pipe| Forge Diverter Valves| Apex EC-7| Pilot Super Sports (255/35/18).
Appreciate 0
      01-26-2017, 10:07 AM   #11
msjt
Second Lieutenant
66
Rep
221
Posts

Drives: 335i e92
Join Date: Jan 2013
Location: queens

iTrader: (0)

You said you filled a couple quarts. When the light comes on, you should only add one.
Appreciate 0
      01-26-2017, 05:34 PM   #12
swedishpowah
Private First Class
19
Rep
182
Posts

Drives: 2007 335i (E92) & 2009 135i
Join Date: Oct 2014
Location: Greenville, SC

iTrader: (0)

Quote:
Originally Posted by vbp6us View Post

The two hoses that are closest to the headlight warning label in this picture are likely the culprit, one of them anyway. These are the oil cooler hoses - that's the only place where you have oil in that area. Follow them down to the oil cooler and up to the oil thermostat housing - I would venture a guess that your leak is somewhere here.

The that you circled earlier is an A/C line and it's definitely not the problem. Hope that helps.

D
Appreciate 1
      01-26-2017, 06:42 PM   #13
Stroker1
Private
21
Rep
74
Posts

Drives: 07 335 cp dci, ***dp's, jb4
Join Date: Sep 2015
Location: atlanta ga

iTrader: (0)

I had similar issue. Running on interstate went into limp mode with codes which read as low oil and oil sensor plausibility. Pulled over to find entire underhood area soaked in oil. After adding 3 qts oil started engine and observed pinhole in oil cooler line. I replaced hose set and underhood insulation. What a mess. I was fortunate to catch early so no engine damage resulted. Its not all that uncommon for high mileage oc hoses to fail like this. Perhaps another maintenance item to add to the ever growing list as the n54 ages.
Appreciate 1
      01-27-2017, 04:32 PM   #14
vbp6us
Major Private First Class
vbp6us's Avatar
United_States
86
Rep
896
Posts

Drives: 2008 E92 335i
Join Date: Mar 2014
Location: San Diego, CA

iTrader: (2)

Quote:
Originally Posted by MadeInPhilly View Post
that is pretty obvious there is a big oil leak. you have oil on your front bumper. turn the car on, take the undertray off an see where it is leaking. once you get pressure you should see where it is leaking.
Yeah that's the plan this weekend. I don't run with the undertray but given the spray up top, it's something up above.

Quote:
Originally Posted by jwebb335xi View Post
Absent finding the leak quickly, have it towed and repaired! Don't stave that engine of oil.
Yes, that's what I plan to do if I can't identify it quickly this weekend.

Quote:
Originally Posted by msjt View Post
You said you filled a couple quarts. When the light comes on, you should only add one.
This was a precautionary measure and I'm glad I added two quarts. It almost dumped that amount in just driving 5 miles to work.

Quote:
Originally Posted by swedishpowah View Post
The two hoses that are closest to the headlight warning label in this picture are likely the culprit, one of them anyway. These are the oil cooler hoses - that's the only place where you have oil in that area. Follow them down to the oil cooler and up to the oil thermostat housing - I would venture a guess that your leak is somewhere here.

The that you circled earlier is an A/C line and it's definitely not the problem. Hope that helps.

D
Thank you! I think you're right. I've realized the pic I had a red circle on is indeed an A/C line. You just confirmed it.

Quote:
Originally Posted by Stroker1 View Post
I had similar issue. Running on interstate went into limp mode with codes which read as low oil and oil sensor plausibility. Pulled over to find entire underhood area soaked in oil. After adding 3 qts oil started engine and observed pinhole in oil cooler line. I replaced hose set and underhood insulation. What a mess. I was fortunate to catch early so no engine damage resulted. Its not all that uncommon for high mileage oc hoses to fail like this. Perhaps another maintenance item to add to the ever growing list as the n54 ages.
Thanks for sharing this. I didn't realize these hoses can go bad. I do have 125k miles on my car now.

I'm going to add some oil and try to find where the leak is coming from. In the mean time, I'm thinking of replacing the lines with aftermarket ones that use AN10.

Any idea what the AN10 fittings are called which would fit on the stock oil cooler? The ones in this picture are intended to go to oil filter housing. I don't feel like replacing the oil cooler itself, just the lines, which are AN10. On the oil cooler side, it needs "slide on" fittings to AN10. I hope that makes sense.

__________________
2008 E92 335i 6MT: FBO + MMP Silicone Inlets | Stage 1 LPFP | 335is clutch + MFactory SMFW | Custom BuraQ E75+ MHD tune | 3.5Bar N20 sensor
Appreciate 0
      01-29-2017, 04:24 AM   #15
vbp6us
Major Private First Class
vbp6us's Avatar
United_States
86
Rep
896
Posts

Drives: 2008 E92 335i
Join Date: Mar 2014
Location: San Diego, CA

iTrader: (2)

As a follow up, I ended up buying AN10 hoses to replace the oil cooler hoses.

It appears that I have a slit in my oil cooler line:

__________________
2008 E92 335i 6MT: FBO + MMP Silicone Inlets | Stage 1 LPFP | 335is clutch + MFactory SMFW | Custom BuraQ E75+ MHD tune | 3.5Bar N20 sensor
Appreciate 0
      01-29-2017, 10:57 PM   #16
cwbmw
N54 noob
United_States
2
Rep
56
Posts

Drives: 2009 E92 335i
Join Date: Jan 2017
Location: Sacramento, CA

iTrader: (0)

Garage List
Glad you found the problem. I wonder if that slit was caused by wear on the hose itself, or if somehow a particulate from outside the vehicle got in and cut it somewhat, eventually leading to the tear.
Appreciate 0
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -4. The time now is 09:42 AM.




e90post
e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST