Differential cover plug

Don L · 09-11-2024, 07:54 AM

Hi. I have a 2006 Z4 coupe si. This picture of the plug in the rear of the differential carrier. Is it a fill or drain plug? RealOEM doesn’t indicate.

Don

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86Zed · 09-11-2024, 03:55 PM

If there is only one of them it is both the drain and fill, will need to suction it out and pump in. (If there are two of them, whichever is higher off the ground is your fill plug

)

I also see you are local to MN, welcome! Very few Z4 coupes here

Don L · 09-11-2024, 04:17 PM

Thanks. As I expected. I had the gear lube changed years ago. The location just seemed too high for a drain.
I believe I had the first non M delivery in Mn. BMW Motorwerks.

09-11-2024, 07:54 AM	#1
Don L Enlisted Member 6 Rep 32 Posts Drives: 2006 Z4 3.0si coupe Join Date: Dec 2007 Location: Minneapolis Mn iTrader: (0)	Differential cover plug Hi. I have a 2006 Z4 coupe si. This picture of the plug in the rear of the differential carrier. Is it a fill or drain plug? RealOEM doesn’t indicate. Don
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09-11-2024, 03:55 PM	#2
86Zed Get off my lawn 965 Rep 1,186 Posts Drives: 6MT Join Date: Sep 2015 Location: USA iTrader: (8) Garage List 2022 BMW X3 M40i [10.00] 2011 BMW 135i [10.00] 2007 BMW Z4M Coupe [9.00]	If there is only one of them it is both the drain and fill, will need to suction it out and pump in. (If there are two of them, whichever is higher off the ground is your fill plug ) I also see you are local to MN, welcome! Very few Z4 coupes here Last edited by 86Zed; 09-11-2024 at 04:02 PM..
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09-11-2024, 04:17 PM	#3
Don L Enlisted Member 6 Rep 32 Posts Drives: 2006 Z4 3.0si coupe Join Date: Dec 2007 Location: Minneapolis Mn iTrader: (0)	Thanks. As I expected. I had the gear lube changed years ago. The location just seemed too high for a drain. I believe I had the first non M delivery in Mn. BMW Motorwerks.
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