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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Mechanical Maintenance and TSBs: Break-in / Oil & Fluids / Servicing / TSBs and Service Bulletin > Who here torques the oil drain plug and filter housing?
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      10-19-2019, 12:14 PM   #23
Billfitz
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It's 8 Nm for the plastic plug/pan, 25 Nm for the metal plug/pan.
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      10-20-2019, 02:14 PM   #24
IraHayes
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I’ve always tightened the cap until snug. Up until my last oil change I always used a torque wrench for the drain plug , but my “small” torque wrench is a dial type, so kind of hard to read when you’re on your back looking up, especially since the car is so low, even on ramps. I need to invest in a click type.

Last edited by IraHayes; 10-20-2019 at 02:20 PM..
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      11-18-2019, 09:07 PM   #25
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I torque the oil filter, but not the plastic drain plug
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      11-18-2019, 10:09 PM   #26
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It should be the other way around. Too little torque on the plug and it leaks, too much and it breaks. The way the O-ring seals the filter cap makes for a tight leak free fit even if it's not torqued down. I've seen reports of filter cap leaks but only when a new O-ring wasn't used.
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      11-26-2019, 10:18 PM   #27
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Quote:
Originally Posted by Billfitz View Post
It should be the other way around. Too little torque on the plug and it leaks, too much and it breaks. The way the O-ring seals the filter cap makes for a tight leak free fit even if it's not torqued down. I've seen reports of filter cap leaks but only when a new O-ring wasn't used.
That new o-ring is key.
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      12-06-2019, 08:37 PM   #28
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Quote:
Originally Posted by BMWinAZ View Post
I am the King of Torque If there is a torque spec for a screw I will torque it to that spec. It must be part of being German
American. The torque wrench was invented in New York City, by an engineer in the Department of Public Works. But I think they were Germans (Bahr and Pfefferlie). Sounds German.
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      12-06-2019, 11:53 PM   #29
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Quote:
Originally Posted by NoobCola View Post
I've done many oil changes on my previous vehicle and my girlfriends car as well so an oil change isn't new territory for me. Been seeing the DIY on oil changes for BMW and they all say to torque down. Just curious if the filter housing and drain pan are that sensitive and just doing the "tight but not too tight method" should be avoided.
I torque both the oil filter housing and the oil pan plug to spec. Torque wrenches are cool and fun to use. Love that nice ...click!

Seriously though, I read a post from a guy the other day that installed his oil filter housing incorrectly and it sprayed oil all over his engine. Years ago a buddy of mine did a quick tighten on his oil plug that wasn't tight enough. The oil drained as he drove and blew his engine. Not worth it to me.
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      12-07-2019, 08:31 AM   #30
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Just did oil change today. Torqued the oil filter housing to 25Nm. Didn't have a smaller torque wrench so hand tightened the drain plug, like last 3 times.
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      12-09-2019, 10:22 AM   #31
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I torque both to specs every time. Rather do it one time and forget about it then worry if it's tight enough or if I over torqued it.
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