| 0 C switch | 0.5 mm² | S108 L | 0 C (32 F) Temperature Switch 1 |
| Amp 12V | 1.5 mm² | S420 L | Amplifier 11 |
| Central locking | 1.5 mm² | Central Locking Control Unit 1 | Interior Light Timer Control 3 |
| Diag 15 | 1.5 mm² | Diagnostic Connector 15 | S108 L |
| Diag 16 | 1.5 mm² | Diagnostic Connector 16 | Oxygen Sensor Heater Relay (325i) A |
| Fuse 27 | 1.5 mm² | Power Distribution Box (Fuse 27) 27 | S234 T |
| Fuse 27 | 0.75 mm² | S234 L | C302 Accessory connector H |
| Fuse 27 | 1.5 mm² | C302 Accessory connector H | S420 T |
| Fuse 27 | 1.5 mm² | S234 B | C405 3 |
| Fuse 27 | 1.5 mm² | C405 3 | S309 T |
| Fuse 9 | 1.5 mm² | Power Distribution Box (Fuse 9) 9 | C101 6 |
| Fuse 9 | 1.5 mm² | C101 6 | S108 T |
| Fuse 9 | 1.5 mm² | C101 6 | Oxygen Sensor Heater Relay (325i) A |
| Idle speed unit | 1.5 mm² | S108 B | Idle Speed Control Unit 2 |
| Idle speed unit (manual) | 0.5 mm² | S108 B | C131 1 |
| Idle speed unit (manual) | 0.5 mm² | C131 1 | Idle Speed Control Unit (manual trans) 7 |
| Interior light timer | 0.75 mm² | S309 R | C495 15 |
| Interior light timer | 0.75 mm² | C495 15 | Interior Light Timer Control 3 |
| Not used | 0.5 mm² | C217 1 | C217 branch (not used) 1 |
| Not used | 1.5 mm² | S309 L | C603 (not used) 1 |
| O2 heater relay | 0.75 mm² | S108 R | Oxygen Sensor Heater Relay (325e) 87 |
| OBC horn | 1.5 mm² | S420 R | C217 1 |
| OBC horn | 0.5 mm² | C217 1 | On-Board Computer Horn 1 |
| Relay jumper | 0.75 mm² | Oxygen Sensor Heater Relay (325i) B | Oxygen Sensor Heater Relay (325i) A |