2005 2013 fuses and relays ad vertisements in this article we consider the fifth generation bmw 3 series e90 e91 e92 e93 produced from 2005 to 2015.
Bmw e90 battery cable fuse box.
Recently bought it crashed and after looking into it looks like the bst cable fuse blew when crashed and the post melted.
Bmw rear power distribution box attached directly to the top of the battery is the bmw rear power distribution box which contains the fusible links non replaceable used to distribute power to the junction box and engine electronics plus supply power to the intelligent battery sensor ibs.
The bmw battery safety terminal bst is used to reduce the risk of a short circuit to the b terminal of the battery in the event of an accident as a result of a short circuit on the cable running from the b terminal of the battery to the starter alternator an unfused unprotected circuit.
Stud 6 is directly connected to b portion of the positive battery cable whereas stud 7 and the jump prong is connected to the bst portion of the positive battery cable.
Bmw 3 series e90 e91 e92 e93 fuse box diagram secondary air injection pump relay.