Technical, Diagnostics & Repair

What's inside

Indicative chapter list — final table of contents confirmed at publication.

1. Diagnostic philosophy: observation before parts
2. Tools: OBD readers, ISTA, INPA, and when each earns its keep
3. Fault code catalogue — organised by system
4. N52 / N20 / N54 / N55 common failure modes
5. Charge-air, fuel delivery, and HPFP issues on turbocharged cars
6. Cooling system leaks: diagnosis paths
7. Electrical gremlins: CAS, FRM, JBE, and the modules worth knowing
8. Folding hard top faults: hydraulics, microswitches, trim alignment
9. Suspension noises: what each clunk, creak, and knock really means
10. Brake warnings, sensor faults, and wear indicator logic
11. Climate control: actuators, flaps, and evaporator failures
12. Audio/i-Drive wake-up and reset procedures
13. When to stop — knowing which jobs belong in a specialist workshop

Pricing

ISBN 978-1-918813-04-3. Published under Definitive Z4 Publishing. Launch date announced via the mailing list.