34 00... EMF - additional brake bleeding procedure

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: This bleeding procedure serves to eliminate residual air in the brake system.

Under certain circumstances it may not be possible to remove the entire residual air from the parking brake (EMF) brake calipers by means of the normal bleeding procedure.

In these cases, the following procedure applies.

Connect brake fluid changer to expansion tank and switch on.

Charging pressure should not exceed 2 bar.

Fig 1: Bleeding Brake System With DSC

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Close vent valve.

Flush brake caliper in installation position.

Close vent valve.

Fig 2: Identifying Brake Caliper Vent Valve

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Unscrew guide bolts (1).

If necessary, grip at hexagon head (2).

Remove brake caliper (3).

Installation note:

Replace guide bolts.

Tightening torque 34 11 4AZ .

Fig 3: Identifying Brake Caliper Guide Bolts

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Disconnect plug connection on EMF actuator and detach cable from cable clip.

Turn brake caliper so that EMF actuator points downwards.

Open vent valve and flush brake caliper.

Close vent valve.

Fig 4: Detaching Cable From Cable Clip

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Turn brake caliper so that EMF actuator points upwards.

Open vent valve and flush brake caliper.

Close vent valve.

Reinstall brake caliper in installation position and flush again.

Fig 5: Opening Vent Valve And Flush Brake Caliper

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Switch off brake fluid changer and remove from expansion tank.

Check brake fluid level. If necessary, top up/draw off to max. level.

Close expansion tank.

NOTE: Pay attention to rubber seal (1) in sealing cap.

Fig 6: Locating Brake Fluid Level Marking (Max) And Sealing Cap Rubber Seal

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