Bmw X5 E53 Stereo Wiring Diagram - Bmw X5 E53 Radio Wiring Diagram . Thank you for the dsp amplifier wiring guide, is there a bmw forum thread on installing and wiring a aftermarket head unit to the factory amplifier, or replacing the bmw factory amplifier and retaining the factory bmw head unit with more detail, and pictures? Fuse box diagram (location and assignment of electrical fuses and relays) for bmw x5 (e53; E53 starter control (start relay), can interface, characteristic map cooling, coolant temperature electric fan, engine coolant level, oil level, crankshaft sensor, multifunction steering wheel, solenoid valve, evaporator sensor, dme/ike interfaces, coolant temperature/electric fan, electric. It reveals the components of the circuit as simplified forms, as well as the power and also signal connections in between the tools. Whether your an expert bmw x5 mobile electronics installer bmw x5 fanatic or a novice bmw x5 enthusiast with a 2005 bmw x5 a car stereo wiring diagra