Manual sections Wiring diagrams
Repair manual

Testing & Diagnostics BMW 3 series E46 facelift

Step-by-step instructions on "Testing & Diagnostics" for BMW 3 series E46 facelift (2001–2006). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

Coding and Programming - Overview

Self-Diagnostics - Theory and Operation (N52)

Diagnostic Trouble Codes with Diagnostics (N52)