BMW_DDE_RELAY_REPLACEMENT ©Jinjur
Here we have the glory that is the 320d four banger. I assume the 330d and other variants are no different for this job.
Start by removing the side covers on the scuttle exposing the brake fluid reservoir and the ecu box.
BMW_DDE_RELAY_REPLACEMENT ©Jinjur
Now remove the pollen filter box.
Remove the scuttle
BMW_DDE_RELAY_REPLACEMENT ©Jinjur
Say hello to the Ecu box
Remove the ECU box cover. Be careful....2 slidey locks and lots of black clips that break if you even think about them wrong.
BMW_DDE_RELAY_REPLACEMENT ©Jinjur
This is the relay that needs changed; before you do this to disconnect the battery
Bastard, devil relay
BMW_DDE_RELAY_REPLACEMENT ©Jinjur
Check the condition of this earth; this is ALL of the ECU earths. Clean if necessary and ensure its tight to the frame.
Reconnect battery and off you go