Note: This was performed on a 2007 E60 550i, other BMW models may vary
slightly. E36/E46 do not require the removal of the cabin filter as the
reservoir is already exposed. (In
this case, jump to step where reservoir is already exposed)
Allen key wrech to twist (not remove) and lower the rod so you can remove
the cabin filter housing
the plastic piece on the side (shake it a little and it will come off)
cabin filter is removed, twist the 3 nuts (do not remove)
the 6 star torx screw
finally to access the reservoir, you need to remove this trim piece, slide
the top piece to the right and at the same time, push the right side
bottom piece upwards and it will come off (some wiggling maybe needed)
all the pieces you removed and make sure you do not loose any pieces!
that the reservior is exposed, remove the electrical connection.
area around the reservior to make sure no contaminants will fall into the
the cap in a secure location so you will not get it dirty
Remember to use a plastic bag to sheeting to cover the engine bay, you
don't want fluid all over the place (corrosive on paint)
the turkey baster to remove the brake fluid in the reservior, remove as
much as you can but leave a little in there to make sure no air gets into
is a view of an "empty" reservoir
some brake fluid into the reservoir
the Motive Brake bleeder to the master cylinder reservoir (remember to
follow the instructions printed on the Motive Bleeder, Do not exceed 20
PSI at any time.)
Start with the Rear right corner.
up your car and remove the wheel to expose the braking system.
the cap to the caliper bleed screw and attach the catch bottle tube as
the screw is released, the oil brake fluid (dark amber) will start to flow
a few minutes, the fluid will start to turn blue (this is why we use the
ATE Super Blue fluid.
finally, when the fluid turns completely blue, you know that the system
has been flushed (well, at least for that corner). Tighten the bleed screw
and remove the hose.
is the sequence of which corner to do first
all 4 wheels are done, all you need to do is follow the instructions
on the Motive Bleeder and remove the Bleeder from the system.
reinstall everything back to normal.
to test the brakes prior to any driving
with the money you saved, so have a good lunch or dinner!