Question about oil in my 525i

MacBB55

Specialist
Jul 22, 2018
72
Northern California
#1
I have a 04 525i an just noticed that the oil I added this morning wasn't synthetic, it was 5w-30 just not synthetic, I know whats in it is so im wondering if adding a lil over a half a quart today is going to cause any harm to the point I should drain it and do a complete change?
 
Oct 28, 2017
830
Monroe CT
#2
No you don't have to drain it wouldnt be a bad idea to search voa on both oil types because some add packs can counter each other and hurt film strength and such. But half quart isn't really issue
 

MacBB55

Specialist
Jul 22, 2018
72
Northern California
#3
k will do, yea at most it wasn't much more than a half court, one thing I have noticed since realizing this issue is that it seems as if now somewhere around my oil filter housing is leaking as well as a slight drip when the car is running from under it, im guessing from where the plug is but I haven't been able to go under there to check fully yet. right now my concern is more towards the filter housing leaking from somewhere because I know that before running that half quart I didn't have any oil leaks except for the sligt drip from time to time
 
Oct 28, 2017
830
Monroe CT
#4
I would set oil cap again and check o ring ofhg wouldnt start ti leak because of little dino.
 

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