| E45 | Cruise control system switch |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Brake pedal switch for diesel direct inj. system |
| J217 | Automatic gearbox control unit |
| J248 | Diesel direct injection system control unit |
| N18 | Exhaust gas recirculation valve |
| T6y | 6-pin connector, black, in steering column |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T10s | 10-pin connector, white, connector point, electronics box, plenum chamber |
| T10v | 10-pin connector, red, right connector point, A pillar |
| T10x | 10-pin connector, blue, right connector point, A pillar |
| T10z | 10-pin connector, yellow, connector point, electronics box, plenum chambern |
| 156 | Earth connection, in diesel direct injection system wiring harness |
| A18 | Connection (54), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A71 | Connection (86), in dash panel wiring harness |
| D103 | Connection -3-, in engine compartment wiring harness |
| * | Only models with automatic gearbox |
| ** | Only models with manual gearbox |
