Mastering chip-level reading, writing, and memory dump calculation is essential for modern automotive key matching, ECU cloning, and module repair. Xhorse Multi-Prog Mastering Programming Book is a practical guide written to help locksmiths and ECU repair technicians master chip-level operations with confidence.
Whether you need to recover a bricked BMW CAS3+ module, clone an engine ECU, or read EEPROM chips without damaging solder pads, this 580+ page technical guide provides step-by-step instructions for real-world repair scenarios using Multi Prog Programmer.

What’s Inside the Book?
- Hardware Foundations & Soldering Skills
- Basic memory chip types (EEPROM, FLASH, SRAM) and data fundamentals.
- Essential chip desoldering and soldering techniques for 8-pin (SOP/MSOP) packages like 93C66, 93C86, and 95128.
- Xhorse Multi-Prog hardware setup and PC software navigation.
- IMMO & Module Programming Guides
- BMW Key Unlocking: Step-by-step unlock procedures for BMW E and F series keys.
- IMMO Dump Writing: Real-world procedures for Land Rover RFA (MC9S12XEQ384), Audi BCM2 (D70F3381/3382), Porsche BCM, and BMW EWS3 / CAS3+ / CAS4 / CAS4+.
- Dashboard Instrument Data: MQB-LOCK (D70F3525/D70F3535) instrument cluster reading and writing.
- ECU Cloning & Advanced Data Repair
- Bench cloning procedures for Bosch ME9.7, MED17.8.10, MD1CS089, and MEVD17.2.9 controllers.
- Renesas chip programming (R5F113TLL) and new energy lithium battery module servicing.
- Manual data editing cases, including Toyota ECU synchronization and Ford manual dump writing.
- Built-in software utilities: Data comparison tools, Bosch number search, ECU IMMO OFF function, file converters, and data calculators.

Key Book Details
| Specification | Details |
| Compatible Hardware | Xhorse Multi-Prog Programmer |
| Total Pages | 586 Pages |
| Skill Level | Beginner to Advanced ECU Repair Technician |
| Core Topics | Soldering, EEPROM/FLASH Read-Write, IMMO Dump Calculation, ECU Cloning |
Upgrade your bench skill set and reduce module replacement costs by learning chip-level data repair today! Get your copy of GODIAG Xhorse Multi-Prog Programming Book from xhorseshop.co.uk.
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