61 13... Relay carrier
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 BMW 335xi, 2013 BMW 335is, 2013 BMW 335i, 2012 BMW 335xi, and 2012 BMW 335is. However, it is still accessible from the selected car via links, so may be relevant.
Place special tool 61 1 153 against relay carrier (1) and carefully pull in direction of arrow until the locking tabs (2) of the relay carrier are raised up.
Pull relay carrier (2) in direction of arrow into the first catch (3).
Press down arrester hook (4) of corresponding contact and pull out the cable with contact.
With special tool 61 1 136 or 61 1 137 (press out) press out dual spring contacts.