Manual sections

Wiring diagrams

• Abbreviations
• Airbag
• Audio, Navigation, Anti-Theft and Restraints - Repair - E90/E91
• Automatic HVAC System
• Automatic Trans
• Automatic Transmission - Repair - E90/E91
• Automatic Transmission - Special Tools - E90/E91
• Axle Shafts
• Basic Trouble Shooting
• Body Electrical
• Brakes
• Brakes - Repair - E90/E91
• Breakout Boxes & Connectors - Overview
• Cabin Air Filter
• Check Lists
• Clutch - Repair - E90/91
• Clutches Manual & Hydraulic
• Coding and Programming - Overview
• Cooling System (Mechanical)
• Diagnostic Connector Locations
• Door Locks & Anti-Theft Systems
• Driveline/axles
• Driveshaft & Universal Joints
• DTC Index
• Electronic Suspension
• Emission Applications
• Engine
• Engine - Repair - E90/E91 (-08); E92/E93 (N51/N52)
• Engine Electrical System - Repair - E90/E91, Z4
• Engine General Information (N54, N52)
• Engine Performance
• Exhaust
• Front Axle - Repair - E90/E91
• Fuel System
• Fuses & Circuit Breakers
• Gauges & Instrument Panels
• General Electrical System - Repair - E90/91
• Heating and Air Conditioning - Repair - E90/E91
• Horns
• Identification
• Manual & Power Steering
• Manual Trans
• Manual Transmission - Repair - E90/E91
• Manual Transmission - Special Tools - E90/E91
• Mechanical
• Mechanical - Hydraulic
• Metric Conversions
• Oem General Information
• Passive Restraints
• Rear Axle - Repair - E90/E91
• Reset Procedures
• Restraints - Repair - E90-E91 (-08); E92/E93
• Specifications
• Steering
• Steering and Wheel Alignment - Repair - E90/E91
• Suspension Front
• Testing & Diagnostics
• Transmission
• Wheel & Tire System

Repair manual

Engine - Repair - E90/E91 (-08); E92/E93 (N51/N52) BMW 3 series E90/E91/E92/E93

Step-by-step instructions on "Engine - Repair - E90/E91 (-08); E92/E93 (N51/N52)" for BMW 3 series E90/E91/E92/E93 (2005–2010). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

97subsections

97articles

269illustrations

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

1 article

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

11 00... Service - engine oil (N51)

1 article

• 11 00... Service - engine oil (N51)

11 00... Engine oil service (N52K)

1 article

• 11 00... Engine oil service (N52K)

11 00 Removing and installing/replacing acoustic cover (N51)

1 article

• 11 00 Removing and installing/replacing acoustic cover (N51) 1

11 00 Removing and installing/replacing acoustic cover (N52/N52K)

1 article

• 11 00 Removing and installing/replacing acoustic cover (N52/N52K) 1

11 00 Removing and installing/replacing ignition coil cover (N52K)

1 article

• 11 00 Removing and installing/replacing ignition coil cover (N52K)

11 00 050 Removing and installing engine (N51)

1 article

• 11 00 050 Removing and installing engine (N51) 4

11 00 050 Removing and installing engine (N52K)

1 article

• 11 00 050 Removing and installing engine (N52K)

11 12 000 Removing and installing/sealing cylinder head cover (N51)

1 article

• 11 12 000 Removing and installing/sealing cylinder head cover (N51) 3

11 12 000 Removing and installing/sealing cylinder head cover (N52K)

1 article

• 11 12 000 Removing and installing/sealing cylinder head cover (N52K) 1

11 12 100 Removing and installing/sealing cylinder head (N51)

1 article

• 11 12 100 Removing and installing/sealing cylinder head (N51) 13

11 12 100 Removing and installing cylinder head (N52K)

1 article

• 11 12 100 Removing and installing cylinder head (N52K)

11 12 101 Replacing cylinder head gasket (N51)

1 article

• 11 12 101 Replacing cylinder head gasket (N51) 4

11 12 101 Replacing cylinder head gasket (N52K)

1 article

• 11 12 101 Replacing cylinder head gasket (N52K)

11 12 719 Resurfacing cylinder head sealing face (N51)

1 article

• 11 12 719 Resurfacing cylinder head sealing face (N51) 2

11 12 719 Resurfacing cylinder head sealing face (N52K)

1 article

• 11 12 719 Resurfacing cylinder head sealing face (N52K)

11 12 729 Checking cylinder head for leaks (N51)

1 article

• 11 12 729 Checking cylinder head for leaks (N51) 3

11 12 729 Checking cylinder head for water leaks (N52K)

1 article

• 11 12 729 Checking cylinder head for water leaks (N52K) 1

11 13 000 Removing and installing, sealing or replacing oil sump (N51)

1 article

• 11 13 000 Removing and installing, sealing or replacing oil sump (N51) 1

11 13 000 Removing and installing, sealing or replacing oil sump (N52K)

1 article

• 11 13 000 Removing and installing, sealing or replacing oil sump (N52K) 1

11 14 005 Replacing front crankshaft seal (N51)

1 article

• 11 14 005 Replacing front crankshaft seal (N51) 13

11 14 005 Replacing front crankshaft seal (N52K)

1 article

• 11 14 005 Replacing front crankshaft seal (N52K)

11 14 010 Replacing vacuum pump sealing cover (N51)

1 article

• 11 14 010 Replacing vacuum pump sealing cover (N51) 5

11 14 010 Replacing sealing cover for vacuum pump (N52K)

1 article

• 11 14 010 Replacing sealing cover for vacuum pump (N52K) 3

Necessary preliminary tasks

1 article

• Necessary preliminary tasks 9

11 14 151 Replacing crankshaft seal (N52K) on transmission side (from 1/1/09)

1 article

• 11 14 151 Replacing crankshaft seal (N52K) on transmission side (from 1/1/09) 12

11 14 151 Replacing crankshaft seal on transmission side (N51) (up to 12/31/08)

1 article

• 11 14 151 Replacing crankshaft seal on transmission side (N51) (up to 12/31/08)

11 14 151 Replacing radial crankshaft seal on transmission side (N51) (from 1/1/09)

1 article

• 11 14 151 Replacing radial crankshaft seal on transmission side (N51) (from 1/1/09)

11 21 500 Replacing crankshaft (N51)

1 article

• 11 21 500 Replacing crankshaft (N51) 11

11 21 500 Replacing crankshaft (N52K)

1 article

• 11 21 500 Replacing crankshaft (N52K)

11 21 505 Sealing crankcase lower section (N51)

1 article

• 11 21 505 Sealing crankcase lower section (N51) 30

11 21 505 Sealing crankcase lower section (N52K)

1 article

• 11 21 505 Sealing crankcase lower section (N52K)

Version 1

1 article

• Version 1

Version 2

1 article

• Version 2

Automatic transmission

1 article

• Automatic transmission

Manual gearbox

1 article

• Manual gearbox

11 21 531 Replacing all crankshaft main bearings (N51)

1 article

• 11 21 531 Replacing all crankshaft main bearings (N51) 8

11 21 531 Replacing all main crankshaft bearing shells (N52K)

1 article

• 11 21 531 Replacing all main crankshaft bearing shells (N52K) 3

11 22 500 Removing and installing or replacing flywheel (N51)

1 article

• 11 22 500 Removing and installing or replacing flywheel (N51) 2

11 22 500 Removing and installing/replacing flywheel (N52K)

1 article

• 11 22 500 Removing and installing/replacing flywheel (N52K) 1

11 24 571 Replacing all connecting rod bearings (N51)

1 article

• 11 24 571 Replacing all connecting rod bearings (N51) 6

11 24 571 Replacing all connecting rod bearing shells (N52K)

1 article

• 11 24 571 Replacing all connecting rod bearing shells (N52K)

11 25 530 Removing and installing/replacing all pistons (N51)

1 article

• 11 25 530 Removing and installing/replacing all pistons (N51) 15

11 25 530 Removing and installing/replacing all pistons (N52K)

1 article

• 11 25 530 Removing and installing/replacing all pistons (N52K) 1

11 25 671 Replacing piston rings on all pistons (N51)

1 article

• 11 25 671 Replacing piston rings on all pistons (N51) 6

11 25 671 Replacing piston rings on all pistons (N52K)

1 article

• 11 25 671 Replacing piston rings on all pistons (N52K)

11 28 010 Replacing alternator drive belt (N51)

1 article

• 11 28 010 Replacing alternator drive belt (N51) 3

11 28 010 Replacing alternator drive belt (N52K)

1 article

• 11 28 010 Replacing alternator drive belt (N52K) 1

11 28 020 Replacing tensioning device for alternator drive belt (N51)

1 article

• 11 28 020 Replacing tensioning device for alternator drive belt (N51)

11 28 020 Replacing tensioning device for alternator drive belt (N52K)

1 article

• 11 28 020 Replacing tensioning device for alternator drive belt (N52K)

11 31 005 Checking camshaft timing

1 article

• 11 31 005 Checking camshaft timing 5

11 31 005 Checking timing of camshaft(s) (N52K)

1 article

• 11 31 005 Checking timing of camshaft(s) (N52K)

11 31 025 Removing and installing/replacing intake camshaft (N51)

1 article

• 11 31 025 Removing and installing/replacing intake camshaft (N51) 6

11 31 025 Removing and installing/replacing intake camshaft (N52K)

1 article

• 11 31 025 Removing and installing/replacing intake camshaft (N52K)

11 31 028 Removing and installing/replacing exhaust camshaft (N51)

1 article

• 11 31 028 Removing and installing/replacing exhaust camshaft (N51) 11

11 31 028 Removing and installing/replacing exhaust camshaft (N52K)

1 article

• 11 31 028 Removing and installing/replacing exhaust camshaft (N52K)

11 31 051 Replacing timing chain (N51)

1 article

• 11 31 051 Replacing timing chain (N51) 11

11 31 051 Replacing timing chain (N52K)

1 article

• 11 31 051 Replacing timing chain (N52K)

11 31 090 Installing and removing/replacing chain tensioner piston (N51)

1 article

• 11 31 090 Installing and removing/replacing chain tensioner piston (N51) 2

11 31 090 Installing and removing/replacing chain tensioner piston (N52K)

1 article

• 11 31 090 Installing and removing/replacing chain tensioner piston (N52K)

11 31 505 Adjusting camshaft timing (N51)

1 article

• 11 31 505 Adjusting camshaft timing (N51) 3

11 31 505 Adjusting timing of camshaft(s) (N52K)

1 article

• 11 31 505 Adjusting timing of camshaft(s) (N52K)

11 33 050 Removing and installing/replacing all rocker arms (N51)

1 article

• 11 33 050 Removing and installing/replacing all rocker arms (N51) 1

11 33 050 Removing and installing/replacing all rocker arms (N52K)

1 article

• 11 33 050 Removing and installing/replacing all rocker arms (N52K)

11 34 552 Removing and installing or replacing all valves (N51)

1 article

• 11 34 552 Removing and installing or replacing all valves (N51) 1

11 34 552 Removing and installing/replacing all valves (N52K)

1 article

• 11 34 552 Removing and installing/replacing all valves (N52K)

11 34 560 Replacing all valve stem seals (N51)

1 article

• 11 34 560 Replacing all valve stem seals (N51) 4

11 34 560 Replacing all valve stem seals (N52K)

1 article

• 11 34 560 Replacing all valve stem seals (N52K)

11 34 715 Replacing all valve springs (N51)

1 article

• 11 34 715 Replacing all valve springs (N51) 3

11 34 715 Replacing all valve springs (N52K)

1 article

• 11 34 715 Replacing all valve springs (N52K)

11 36 655 Removing and installing/replacing both solenoid valves (N52K)

1 article

• 11 36 655 Removing and installing/replacing both solenoid valves (N52K) 1

11 37 005 Removing and installing/replacing eccentric shaft (N51)

1 article

• 11 37 005 Removing and installing/replacing eccentric shaft (N51) 5

11 37 005 Removing and installing/replacing eccentric shaft (N52K)

1 article

• 11 37 005 Removing and installing/replacing eccentric shaft (N52K)

11 37 010 Removing and installing/replacing intermediate levers (N51)

1 article

• 11 37 010 Removing and installing/replacing intermediate levers (N51) 25

11 37 010 Removing and installing/replacing intermediate levers (N52K)

1 article

• 11 37 010 Removing and installing/replacing intermediate levers (N52K)

11 37 020 Removing and installing/replacing positioning motor for eccentric shaft (N51)

1 article

• 11 37 020 Removing and installing/replacing positioning motor for eccentric shaft (N51) 1

11 37 030 Removing and installing/replacing eccentric shaft sensor (N51)

1 article

• 11 37 030 Removing and installing/replacing eccentric shaft sensor (N51)

11 40 000 Checking engine oil pressure (N51)

1 article

• 11 40 000 Checking engine oil pressure (N51) 3

11 40 000 Checking engine oil pressure (N52K)

1 article

• 11 40 000 Checking engine oil pressure (N52K) 1

11 41 000 Removing and installing oil pump (N51)

1 article

• 11 41 000 Removing and installing oil pump (N51)

11 41 000 Removing and installing/replacing oil pump (N52K)

1 article

• 11 41 000 Removing and installing/replacing oil pump (N52K)

11 41 010 Removing and installing/replacing chain module for oil pump/vacuum pump (N51)

1 article

• 11 41 010 Removing and installing/replacing chain module for oil pump/vacuum pump (N51) 5

11 41 010 Removing and installing/replacing chain module for oil pump/vacuum pump (N52K)

1 article

• 11 41 010 Removing and installing/replacing chain module for oil pump/vacuum pump (N52K) 1

11 41 115 Removing and installing/replacing hydraulic valve (N52K)

1 article

• 11 41 115 Removing and installing/replacing hydraulic valve (N52K) 3

11 42 020 Removing and installing/replacing fullflow oil filter (N51)

1 article

• 11 42 020 Removing and installing/replacing fullflow oil filter (N51) 1

11 42 020 Removing and installing/replacing fullflow oil filter (N52)

1 article

• 11 42 020 Removing and installing/replacing fullflow oil filter (N52)

Recycling

1 article

• Recycling 1

11 51 000 Removing and installing/replacing water pump (N51)

1 article

• 11 51 000 Removing and installing/replacing water pump (N51) 1

11 51 000 Removing and installing/replacing water pump (N52K)

1 article

• 11 51 000 Removing and installing/replacing water pump (N52K)

11 53 000 Removing and installing/replacing coolant thermostat (N51)

1 article

• 11 53 000 Removing and installing/replacing coolant thermostat (N51) 1

11 53 000 Removing and installing/replacing coolant thermostat (N52K)

1 article

• 11 53 000 Removing and installing/replacing coolant thermostat (N52K)

11 61 050 Removing and installing intake air manifold (N51)

1 article

• 11 61 050 Removing and installing intake air manifold (N51) 5

11 61 050 Removing and installing air intake manifold (N52K)

1 article

• 11 61 050 Removing and installing air intake manifold (N52K)

EXHAUST MANIFOLD

1 article

• EXHAUST MANIFOLD

Necessary preliminary work

1 article

• Necessary preliminary work 1

11 78 513 Replacing both lambda oxygen control sensors (N52K)

1 article

• 11 78 513 Replacing both lambda oxygen control sensors (N52K) 1

11 78 545 Replacing both lambda oxygen monitoring sensors (N52K)

1 article

• 11 78 545 Replacing both lambda oxygen monitoring sensors (N52K) 2