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Home >> BMW >> 2006 >> 323i Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Powertrain - Overview >> E90 Powertrain >> Engine >> Engine Management (MSV70) >> MSV70 System Overview
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MSV70 System Overview

Fig 1: MSV70 System Overview
G03393562Courtesy of BMW OF NORTH AMERICA, INC.
LEGEND FOR MSV70 SYSTEM OVERVIEW

Index Explanation Index Explanation
1 DME (ECM) 38 Diagnosis connection
2 Integral ambient temperature sensor 39 Valvetronic relay
3 Integral ambient pressure sensor 40 Oxygen Sensor
4 DME (ECM) main relay 41 Oxygen Sensor
5 DM-TL 42 Oxygen Sensor
6 IHKA 43 Oxygen Sensor
7 Electric engine cooling fan 44 Valvetronic motor
8 E-Box fan 45 Knock sensor (cyl 1-3)
9 Characteristic map thermostat 46 Knock sensor (cyl 4-6)
10 Crankcase ventilation heater 47 Eccentric shaft sensor
11 Crankcase ventilation heater relay 48 Hot-film air mass meter (HFM)
12 Secondary air pump 49 Exhaust camshaft sensor
13 Secondary air pump relay 50 Intake camshaft sensor
14 HFM for Secondary air 51 Crankshaft sensor
15 Fuel tank vent valve (TEV) 52 DISA actuator
16 VANOS solenoid valve (Intake cam) 53 DISA Actuator
17 VANOS solenoid valve (Exhaust cam) 54 Electric Throttle Valve (EDK)
18 Electro-magnet for airflap control (not for US) 55 Accelerator Pedal Module (FPM)
19-24 Fuel injectors 56 SPORT button
25 Fuel injector relay 57 Coolant temperature sensor (engine temp)
26-31 Ignition coils 58 Coolant temperature sensor (radiator outlet)
32 Electric coolant pump 59 DSC module
33 Intelligent Battery Sensor (IBS) 60 Brake Light Switch (BLS)
34 Alternator 61 Clutch switch
35 Oil Condition Sensor (OZS) 62 Car Access System (CAS)
36 Ground connection 63 Differential pressure sensor
37 PT-CAN 64 Oil pressure switch