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see my repost below-no problem to change the oil
I watched the tech do it. And it is easy to do on the S65 V8.
The M5 and M6 V10 have a dry sump. I have heard that, in order the change the oil according to the factory procedures you have to activate an electric pump throught the BMW Service Computer. This is unverifed info.
However, I know for sure that to change all of the oil in the M3 6 speed transmission, they activated the electric circulating pump (that goes to the transmission oil cooler) through the Service Computer. This was as described in the online service manual.
But nothing like that is required for the M3 engine oil.
On the M3, there are two wet sumps. You drain each with its own drain plugs --There are two drain plugs. You use an allen head socket. The tightening torque is 25NM-18 ft/lbs. Get the oil filter and the two sealing rings are included, at least in the US. They should be replaced each time.
There are cutouts in the aluminum M3 specific strengthing plate for each of the two drain plugs.
You change the oil filter from the top like any other cartridge BMW.
Make sure you use the BMW specified oil. You can see the oil and amounts in my sticky memo at the beginning of this maintenance section.
The procedure is exactly as described in your post from BMWtechinfo. Thanks for posting the copies.
Rob from San Diego.
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