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
Horns BMW 3 series E90/E91/E92/E93
Step-by-step instructions on "Horns" for BMW 3 series E90/E91/E92/E93 (2005–2010). Pick an article — removal, installation, adjustment and diagnostics with illustrations.
6subsections
15articles
59illustrations
General Electrical System - Repair - E90/91
5 articlesGeneral Electrical System - Technical Data
1 articleGeneral Electrical System - Special Tools - E90/E91 (-08); E92/E93
4 articles- General Electrical System - Special Tools - E90/E91 (-08); E92/E93: Diagnosis 1
- General Electrical System - Special Tools - E90/E91 (-08); E92/E93: Removal & Installation 1
- General Electrical System - Special Tools - E90/E91 (-08); E92/E93: Overhaul 1
- General Electrical System - Special Tools - E90/E91 (-08); E92/E93: Other 15