2008 535 Oil Leak
#22
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If you've never been to a junkyard, places like LKQ PickYourPart are great for stuff like this. You pay like a $2 entry fee, go in with your tools, find what you want and get out of the donor car. Typically, there is a short DOA warranty, so if it just leaks right off, you can go back and get another one.
#23
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I'm back. My poor son has been replacing oil on the regular since I haven't had time to mess with it.
Today I connected my lines out of the filter housing together, removed the oil cooled totally, and took a drive.
No leak. Seems there is a cooler leak only when hot.
I was reading on one of these forums that not all 535's with the N54 had an oil cooler. Is that true?
Mine is a 535i....
If it was an option, after pricing them, I perfectly happy to leave it off.
Thanks.
ETA: Removed the cooler and all is well. Engine does not overheat nor leak oil. I will cut and crimp the suspect section of the cooler and reinstall in the future.
Today I connected my lines out of the filter housing together, removed the oil cooled totally, and took a drive.
No leak. Seems there is a cooler leak only when hot.
I was reading on one of these forums that not all 535's with the N54 had an oil cooler. Is that true?
Mine is a 535i....
If it was an option, after pricing them, I perfectly happy to leave it off.
Thanks.
ETA: Removed the cooler and all is well. Engine does not overheat nor leak oil. I will cut and crimp the suspect section of the cooler and reinstall in the future.
Last edited by JHG; 01-13-2023 at 02:44 PM.
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