The tuning reference
Practical knowledge for identifying hardware, understanding systems and getting the details right. Written and maintained by the Tuning.wales community.
Manufacturers, families, variants & hardware469 pages Engines
Engine reference & specifications103 pages Vehicles
Platforms, fitment & systems0 pages Tuning
Calibration & working methods38 pages Diagnostics
Fault finding & measurements202 pages Tools
Diagnostic tools, flashing and tuning tools & equipment203 pages Reference
Terminology, abbreviations & shared reference8 pages Flash & Device Programmers
Flash, EEPROM, microcontroller and general-purpose device programmers.95 pages Microcontrollers (MCUs)
Processor families, individual chips, architecture and ECU application examples.5 pages Tuning Software
ECU calibration software, map editors and hex editors.10 pages Tuning Tools
ECU and TCU programming equipment, tuning tool makers and related measurement devices.17 pages
Recently updated
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Bosch ME7.6.4ECU hub
ME7.6.4 applications and identification within the Bosch ME7.6 family.
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Bosch ME7.6.3ECU hub
ME7.6.3 identification and source-scoped Opel / Vauxhall and Fiat examples.
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Bosch ME7.6.2ECU hub
ME7.6.2 applications and hardware distinctions, including Opel / Vauxhall examples.
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Bosch ME7.6.1ECU hub
ME7.6.1 applications and identification, including Opel / Vauxhall examples.
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Bosch ME7.6ECU hub
Bosch petrol ECU family used in Opel / Vauxhall and other applications, with variant-specific references.
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Volkswagen Group engine directory
Volkswagen Group engine families, codes, specifications and application directories.
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BMW automotive engine directory
BMW automotive petrol and diesel engine families, codes, configurations and years.
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Simos 18ECU hub
Simos 18 petrol engine management: torque modelling, air charge, fuel, ignition and variant-specific references.
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Choosing ECU definition files
Keep the definition, image format and complete software identification together.
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Siemens terminology
Common Siemens map-name words, with a route to the full source glossary.
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Motronic abbreviations
An expandable Bosch terminology reference with explicit context and uncertainty.
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Simos 19 support and logging evidence
Record variant-specific support statements and demonstrated logging coverage for Simos 19.
Applies to: Simos 19
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MED9.1 software and definition matching
A source record for MED9.1 definitions, binary identity and research addresses.
Applies to: Bosch MED9.1
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Simos 19.6ECU hub
Simos 19.6 identification and documented coverage.
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Simos 19.3ECU hub
Simos 19.3 identification and documented coverage.
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Simos 18.10ECU hub
Simos 18.10 identification and product-specific support references.
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Simos 18.7ECU hub
Simos 18.7 identification and product-specific support references.
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Simos 18.6ECU hub
Simos 18.6 identification and product-specific support references.
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Simos 18.4ECU hub
Simos 18.4 identification and product-specific support references.
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Simos 18.2ECU hub
Simos 18.2 identification and product-specific support references.
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Simos 18.1ECU hub
Simos 18.1 identification and product-specific support references.
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SimosECU hub
Simos ECU series: start with the 18 and 19 family branches.
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Siemens MSS70ECU hub
MSS70 definition index, initially documenting 9R20840S.
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Siemens MSS65ECU hub
MSS65 source index and MSS6x flashing-tool context.
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Siemens MSS60ECU hub
MSS60 source index and MSS6x flashing-tool context.
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Siemens MSS50ECU hub
Introductory MSS50 index for documented hardware and BDM research.
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Siemens / ContinentalECU hub
MS, MSS and Simos ECU references in one manufacturer group.
Make it verifiable. Record the exact hardware or vehicle variant, label photographs clearly and include sources. Leave uncertain details open for the next contributor.