Changing The Oil in a BMW 650 GS Motorcycle

21 May 2015 | Author: | Comments Off on Changing The Oil in a BMW 650 GS Motorcycle
BMW G 650 GS

Changing The Oil in a BMW 650 GS Motorcycle

Changing the oil in the BMW 650 GS and the Dakar is very simple. The BMW shop in my neck of the woods wants $150 to do the job, which is why I took it upon my self to learn how to do this. While you don’t have to get the oil change kit from BMW, it’s probably best because they provide the copper ring for the sump plug, the o-ring for the oil filter, and the oil filter itself all of which costs about $15.

Some people make the job way more complicated than it needs to be, by removing the whole oil tank and getting every last drop out so as to remove all possible particles which may be suspended in the oil. I and many others don’t think this is necessary at all. After all, the oil filter is supposed to take care of that and if you have that much crude in your oil … you got other major problems.

So … let’s get on with it. Run the motorcycle to get it up to normal operating temperature, which means the radiator fan should should kick on. Turn the bike off.

Draining the Oil Tank

Leave the bike tilted on its side-stand. There’s enough of a lean for the oil to drain. If you have a center stand, that is fine.

Remove the seat by unlocking the rear compartment and pulling the cable release located inside. The seat will then lift up. The only reason we have to remove the seat is to gain access to one torx-head screw so we can remove the left side body panel (next step).

Remove the left side body panel by unscrewing the oil dip stick and the torque screw right next to it, removing the 4 torx screws which connect the left hand turn signal to the body, and remove the one torx screw which is normally covered by the seat. You can let the left hand turn signal dangle by its wires, although it is easily disconnected by squeezing the plug and pulling gently.

NOTE: The bottom part of the left side panel has a male connector piece that snaps snuggly into a rubber grommet. It’s best to pull the bottom of the left side body panel out just a bit, then lift up.

Once the side body panel is removed, the black finned oil tank is now visible. Loosen and remove the oil drain screw located here . The oil will shoot out about 5 inches or so then slowly tapper off. I found it best to use a funnel to collect and direct the oil in a pan of some sort.

If you have the bike on a center stand, just lean it over a bit to help the oil drain. Again, you don’t have to get every last drop.


Once the oil has finished draining, replace the drain screw. Don’t crank down on the drain screw too much, but it should be snug.

You can now replace the left side body panel by inserting the male connector into the rubber grommet (bottom of body panel), re-attaching the turn signal, replacing the torx screws, and attaching the seat. The top of the left side body panel snaps into the top body panel in three places.

Changing the Oil Filter

To remove the oil filter, you have to also remove the chain sprocket protector to gain access to one of the torx screws.

BMW G 650 GS

Reposition the black neutral wire so as not to get oil on it. You don’t need to disconnect it, just move it out of the way.

Now that the chain sprocket cover has been removed, you can remove the 3 torx screws on the oil filter cover (one of them looks different and sticks out a bit). Be prepared for a bit of oil as you start to loosen the torx screws. It’s not like a liter is going go gush out, but there will be a few ounces.

There’s no perfect way to prevent a mess. Some people cut an aluminum can length-wise to catch the oil and direct it away from the bike. Remove the filter by pulling it straight out with your fingers (did you think you were going to stay clean?!).

If you want, you can clean out the oil filter housing, but it’s not necessary. If you do decide to do so, make sure you use a clean lint free cloth or something that won’t leave lint or threads behind.

Remove the old black o-ring from inside the filter cover you just removed. If you bought the oil change kit, you will find a new black o-ring. Lube the oil ring with fresh oil and insert it into the oil filter cover. Put some oil on the rubber ring inside the oil filter and insert the oil filter into the motorcycle.

It should push in snuggly, but not hard.

Reattach the oil filter cover, re-route the black wire in its correct position (if you moved it), and reattach the chain sprocket cover. The specs on the torx screws for the oil filter cover are 10 nm. However . the one torx screw that looks different and sticks out a bit should not be tightened that hard.

Snug, but not super tight (you may break it).

Sump Plug for the Crank Case

BMW G 650 GS
BMW G 650 GS
BMW G 650 GS
BMW G 650 GS

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