This article lists all part numbers for electronic devices in my '89 750iAL.

 The list will be updated continously as I work my way through all the electronics of the vehicle.

Left front strut tower / fender

• 61.35.1.389.002 (Red relay) SRM / Headlight cleaning system
• 61.31.1.378.301 (Yellow relay) AC fan high speed relay
• 61.36.1.391.397 (Grey relay) AC fan low speed relay
• 61.36.1.388.364 (Brown relay) Unknown function
• 65.77.1.376.754 (Orange) Crash sensor

Ignition coils

• 20.51.0.171.102

Alternator

• 01.20.468.032 14V 25/140A

DK motors

• 1.733.024

Radiator

• 1.723.468 / 464 Behr (21.722.01.003)

Right front strut tower / fender

• 0.33.201.44.56 (Orange relay)
• 12.63.1.729.004 (White relays) 2x fuel pump relays
• 17.25.654 (Black relays) 2x Engine control relays
• 65.77.1.376.754 (Orange) Crash sensor

Engine management box

• 0.261.200.156 2x Motronic (17229708 002 810)
• 0.205.000.005 EML (1725388 078 228990800)

Drivers side kick panel

• 11.34.316.7038.900 142 Servotronic control unit
• 61.35.1.390.899.2 AC lock-up sensor
• 61.31.1.378.301 (Yellow relay) AC compressor relay

Dashboard

• 0 132 800 001 Stepmotors / Flap controls

Right rear seat cover

• 37.14.1.133.481 Electronic Damper Control unit (20 43 85 001 001)
• 61.21.8.381.754 / 755 12V 85Ah original battery