Manual sections

Wiring diagrams

• Abbreviations
• Airbag
• Audio, Navigation, Anti-Theft & Restraints (Repair)
• Automatic HVAC System
• Automatic Trans
• Automatic Transmission - Repair (n52)
• Automatic Transmission - Special Tools (n52)
• Axle Shafts
• Basic Trouble Shooting
• Body - Repair
• Body Electrical
• Brakes
• Brakes - Repair
• Cabin Air Filter
• Check Lists
• Clutches Manual & Hydraulic
• Collision/avoidance
• Cooling System (Mechanical)
• Cooling System - Repair (n52)
• Cooling System - Repair (n54)
• Diagnostic Connector Locations
• Door Locks & Anti-Theft Systems
• Double Clutch Gearbox - Repair
• Double Clutch Gearbox - Special Tools
• Driveline/axles
• Driveshaft & Universal Joints
• DTC Index
• Electronic Steering
• Electronic Suspension
• Emission Applications
• Engine
• Engine - Repair (n52)
• Engine - Repair (n54)
• Engine - Special Tools (n54)
• Engine Electrical System - Repair (n52)
• Engine Electrical System - Repair (n54)
• Engine Performance
• Entertainment Systems
• Exhaust
• Exterior Body Panels
• Exterior Lights
• Exterior/interior Trim
• Front Axle - Repair
• Fuel System
• Fuel System - Repair (n54)
• Fuses & Circuit Breakers
• Gauges & Instrument Panels
• General Electrical System - Repair
• Heating and Air Conditioning - Repair
• Horns
• Identification
• Lights - Repair
• Manual & Power Steering
• Manual Trans
• Manual Transmission - Special Tools (n52)
• Manual Transmission - Special Tools (n54)
• MAP Guidelines
• Mechanical
• Mechanical - Hydraulic
• Metric Conversions
• Oem General Information
• Rear Axle - Repair
• Reset Procedures
• Seats
• Seats - Repair
• Slide/tilt Roof - Repair
• Specifications
• Steering
• Steering and Wheel Alignment - Repair
• Sun Roof/t-Top/convertible Top
• Testing & Diagnostics
• Traction Control Disable
• Transfer Case
• Transmission
• Wheel & Tire System

Repair manual

Engine Electrical System - Repair (n54) BMW Z4 E89

Step-by-step instructions on "Engine Electrical System - Repair (n54)" for BMW Z4 E89 (2009–2013). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

32subsections

32articles

77illustrations

61 20... Battery replacement information

1 article

• 61 20... Battery replacement information

61 13... Butt connector for repairing a plug connection

1 article

• 61 13... Butt connector for repairing a plug connection 10

12 00... Instructions for working on the ignition system

1 article

• 12 00... Instructions for working on the ignition system

12 13 Notes on checking ignition system

1 article

• 12 13 Notes on checking ignition system

61 00... Notes on handling wiring harnesses and cables

1 article

• 61 00... Notes on handling wiring harnesses and cables

12 00... Notes/information on removing and installing control units

1 article

• 12 00... Notes/information on removing and installing control units

12 00... Notes/information on start assistance (jump starting)

1 article

• 12 00... Notes/information on start assistance (jump starting)

00 Safety information for working on vehicles with automatic engine start-stop function (MSA)

1 article

• 00 Safety information for working on vehicles with automatic engine start-stop function (MSA) 2

12 12 011 Replacing all spark plugs (N54)

1 article

• 12 12 011 Replacing all spark plugs (N54) 3

12 13 Carrying out engine cleaning (N54, N53, N43)

1 article

• 12 13 Carrying out engine cleaning (N54, N53, N43)

12 13 511 Replacing ignition coils (N54)

1 article

• 12 13 511 Replacing ignition coils (N54) 3

12 14 700 Coding control module (DME/DDE)

1 article

• 12 14 700 Coding control module (DME/DDE)

12 14 705 Programming control unit (DME/DDE)

1 article

• 12 14 705 Programming control unit (DME/DDE)

12 14 600 Removing/replacing knock sensors (N54)

1 article

• 12 14 600 Removing/replacing knock sensors (N54) 3

12 14 550 Replacing control unit (DME) (N54)

1 article

• 12 14 550 Replacing control unit (DME) (N54) 6

12 14 521 Replacing crankshaft pulse generator (N54)

1 article

• 12 14 521 Replacing crankshaft pulse generator (N54) 1

12 14 524 Replacing pulse generator on exhaust camshaft (N54)

1 article

• 12 14 524 Replacing pulse generator on exhaust camshaft (N54) 1

12 14 523 Replacing pulse generator on inlet camshaft (N54)

1 article

• 12 14 523 Replacing pulse generator on inlet camshaft (N54) 1

12 14 651 Replacing suction pressure sensor on charge-air duct (N54)

1 article

• 12 14 651 Replacing suction pressure sensor on charge-air duct (N54) 2

12 14 650 Replacing suction pressure sensor on intake air manifold (N54)

1 article

• 12 14 650 Replacing suction pressure sensor on intake air manifold (N54) 2

12 31 020 Removing and installing or replacing alternator (N54)

1 article

• 12 31 020 Removing and installing or replacing alternator (N54) 2

12 31... Replacing alternator belt pulley

1 article

• 12 31... Replacing alternator belt pulley 1

12 31... Replacing alternator belt pulley (with overrunning clutch)

1 article

• 12 31... Replacing alternator belt pulley (with overrunning clutch) 1

12 32 501 Replacing voltage regulator

1 article

• 12 32 501 Replacing voltage regulator 8

12 41 020 Removing and installing/replacing starter motor (N54)

1 article

• 12 41 020 Removing and installing/replacing starter motor (N54) 1

12 41 041 Replacing solenoid switch

1 article

• 12 41 041 Replacing solenoid switch 3

12 42 500 Replacing battery positive lead between starter, alternator and battery positive terminal (N54)

1 article

• 12 42 500 Replacing battery positive lead between starter, alternator and battery positive terminal (N54) 2

12 42 540 Replacing safety battery terminal (SBK)

1 article

• 12 42 540 Replacing safety battery terminal (SBK) 14

12 51 001 Replacing wiring harness section for engine (N54)

1 article

• 12 51 001 Replacing wiring harness section for engine (N54) 8

12 51 100 Replacing wiring harness section for ignition and injectors (N54)

1 article

• 12 51 100 Replacing wiring harness section for ignition and injectors (N54) 1

12 61 285 Removing and installing/replacing oil level sensor for engine oil (N54)

1 article

• 12 61 285 Removing and installing/replacing oil level sensor for engine oil (N54) 1

12 61 280 Removing and installing/replacing oil pressure sensor (N54)

1 article

• 12 61 280 Removing and installing/replacing oil pressure sensor (N54) 1