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
-
BMW ICOM A2
Legacy ICOM A2 main interface, its adapter family and identification limitations.
-
BMW ICOM A
BMW's original ICOM A vehicle interface, its B and C adapters, and the later ICOM Next.
-
Mercedes 722.9 SCN Coding and Reverse Engineering
722.9 7G-Tronic SCN, coding strings and control-unit commissioning, with documented VGS reverse-engineering efforts and their limits.
-
Mercedes STAR Diagnosis and DAS
Mercedes STAR Diagnosis and DAS: the factory diagnostic environment, its relationship to HHT-WIN and XENTRY, and historical SCN coding.
-
BMW N63 and S63 engines
BMW N63, S63 engine identification, specifications and recorded variants.
-
BMW M57 engines
BMW M57 engine identification, specifications and recorded variants.
-
BMW M52 and S52 engines
BMW M52, S52 engine identification, specifications and recorded variants.
-
BMW M51 engines
BMW M51 engine identification, specifications and recorded variants.
-
BMW M50 and S50 engines
BMW M50, S50 engine identification, specifications and recorded variants.
-
BMW M47 engines
BMW M47 engine identification, specifications and recorded variants.
-
BMW N57 engines
BMW N57 engine identification, specifications and recorded variants.
-
BMW N47 engines
BMW N47 engine identification, specifications and recorded variants.
-
Volkswagen EA827 engine reference
Volkswagen EA827 engine: family specifications and recorded engine variants.
-
Volkswagen air-cooled engine reference
Volkswagen air-cooled engine: family specifications and recorded engine variants.
-
BMW S68 engines
BMW S68 engine identification, specifications and recorded variants.
-
BMW P66 engines
BMW P66 engine identification, specifications and recorded variants.
-
BMW P60B40 engines
BMW P60B40 engine identification, specifications and recorded variants.
-
BMW N54 engines
BMW N54 engine identification, specifications and recorded variants.
-
BMW M54 and S54 engines
BMW M54, S54 engine identification, specifications and recorded variants.
-
BMW N46 engines
BMW N46 engine identification, specifications and recorded variants.
-
BMW N40 and N42 engines
BMW N40, N42 engine identification, specifications and recorded variants.
-
BMW M44 engines
BMW M44 engine identification, specifications and recorded variants.
-
BMW OHV V8 engines
BMW OHV V8 engine identification, specifications and recorded variants.
-
BMW M88 and S38 engines
BMW M88/S38 engine identification, specifications and recorded variants.
-
BMW B46 and B48 engines
BMW B46, B48 engine identification, specifications and recorded variants.
-
BMW N13 engines
BMW N13 engine identification, specifications and recorded variants.
-
BMW N74 engines
BMW N74 engine identification, specifications and recorded variants.
-
BMW E41 and P80 engines
BMW E41/P80 engine identification, specifications and recorded variants.
-
BMW N62 engines
BMW N62 engine identification, specifications and recorded variants.
-
BMW M62 and S62 engines
BMW M62, S62 engine identification, specifications and recorded variants.
-
BMW M20 engines
BMW M20 engine identification, specifications and recorded variants.
-
BMW M30, M102 and M106 engines
BMW M30, M102, M106 engine identification, specifications and recorded variants.
-
BMW M78 engines
BMW M78 engine identification, specifications and recorded variants.
-
BMW M10 engines
BMW M10 engine identification, specifications and recorded variants.
-
Volkswagen Wasserboxer engine reference
Volkswagen Wasserboxer engine: family specifications and recorded engine variants.
-
Volkswagen North American petrol engine codes
North American Volkswagen engine identification codes, outputs and recorded applications.
-
Volkswagen North American diesel engine codes
North American Volkswagen engine identification codes, outputs and recorded applications.
-
Volkswagen Group petrol engines — WR16 (Bugatti)
Volkswagen Group petrol engine codes, specifications and source-listed applications: WR16 (Bugatti).
-
Volkswagen Group petrol engines — WR12
Volkswagen Group petrol engine codes, specifications and source-listed applications: WR12.
-
Volkswagen Group petrol engines — V10
Volkswagen Group petrol engine codes, specifications and source-listed applications: V10.
-
Volkswagen Group petrol engines — L539 V12 (Lamborghini)
Volkswagen Group petrol engine codes, specifications and source-listed applications: L539 V12 (Lamborghini).
-
Volkswagen Group petrol engines — EA888 R3/R4
Volkswagen Group petrol engine codes, specifications and source-listed applications: EA888 R3/R4.
-
Volkswagen Group petrol engines — EA855 R5
Volkswagen Group petrol engine codes, specifications and source-listed applications: EA855 R5.
-
Volkswagen Group petrol engines — EA839 V6
Volkswagen Group petrol engine codes, specifications and source-listed applications: EA839 V6.
-
Volkswagen Group petrol engines — EA837 V6
Volkswagen Group petrol engine codes, specifications and source-listed applications: EA837 V6.
-
Volkswagen Group petrol engines — EA825 V8
Volkswagen Group petrol engine codes, specifications and source-listed applications: EA825 V8.
-
Volkswagen Group petrol engines — EA390 VR6
Volkswagen Group petrol engine codes, specifications and source-listed applications: EA390 VR6.
-
Volkswagen Group petrol engines — EA211 R3/R4
Volkswagen Group petrol engine codes, specifications and source-listed applications: EA211 R3/R4.
-
Volkswagen Group petrol engines — EA113/EA827 R4
Volkswagen Group petrol engine codes, specifications and source-listed applications: EA113/EA827 R4.
-
Volkswagen Group discontinued petrol engines — Twelve-cylinder
Volkswagen Group discontinued petrol engine codes, specifications and source-listed applications: Twelve-cylinder.
-
Volkswagen Group discontinued petrol engines — Three-cylinder
Volkswagen Group discontinued petrol engine codes, specifications and source-listed applications: Three-cylinder.
-
Volkswagen Group discontinued petrol engines — Ten-cylinder
Volkswagen Group discontinued petrol engine codes, specifications and source-listed applications: Ten-cylinder.
-
Volkswagen Group discontinued petrol engines — Six-cylinder
Volkswagen Group discontinued petrol engine codes, specifications and source-listed applications: Six-cylinder.
-
Volkswagen Group discontinued petrol engines — Four-cylinder LT/MWM
Volkswagen Group discontinued petrol engine codes, specifications and source-listed applications: Four-cylinder LT/MWM.
-
Volkswagen Group discontinued petrol engines — Four-cylinder EA827/EA113
Volkswagen Group discontinued petrol engine codes, specifications and source-listed applications: Four-cylinder EA827/EA113.
-
Volkswagen Group discontinued petrol engines — Four-cylinder EA111
Volkswagen Group discontinued petrol engine codes, specifications and source-listed applications: Four-cylinder EA111.
-
Volkswagen Group discontinued petrol engines — Five-cylinder
Volkswagen Group discontinued petrol engine codes, specifications and source-listed applications: Five-cylinder.
-
Volkswagen Group discontinued petrol engines — Eight-cylinder
Volkswagen Group discontinued petrol engine codes, specifications and source-listed applications: Eight-cylinder.
-
Volkswagen Group discontinued diesel engines — Two-cylinder diesels
Volkswagen Group discontinued diesel engine codes, specifications and source-listed applications: Two-cylinder diesels.
-
Volkswagen Group discontinued diesel engines — Three-cylinder diesels
Volkswagen Group discontinued diesel engine codes, specifications and source-listed applications: Three-cylinder diesels.
-
Volkswagen Group discontinued diesel engines — Ten-cylinder diesels
Volkswagen Group discontinued diesel engine codes, specifications and source-listed applications: Ten-cylinder diesels.
-
Volkswagen Group discontinued diesel engines — Six-cylinder diesels
Volkswagen Group discontinued diesel engine codes, specifications and source-listed applications: Six-cylinder diesels.
-
Volkswagen Group discontinued diesel engines — Four-cylinder PERKINS and MWM diesels
Volkswagen Group discontinued diesel engine codes, specifications and source-listed applications: Four-cylinder PERKINS and MWM diesels.
-
Volkswagen Group discontinued diesel engines — Four-cylinder diesels
Volkswagen Group discontinued diesel engine codes, specifications and source-listed applications: Four-cylinder diesels.
-
Volkswagen Group discontinued diesel engines — Five-cylinder diesels
Volkswagen Group discontinued diesel engine codes, specifications and source-listed applications: Five-cylinder diesels.
-
Volkswagen Group discontinued diesel engines — Eight-cylinder diesels
Volkswagen Group discontinued diesel engine codes, specifications and source-listed applications: Eight-cylinder diesels.
-
Volkswagen Group diesel engines — Scania truck engines
Volkswagen Group diesel engine codes, specifications and source-listed applications: Scania truck engines.
-
Volkswagen Group diesel engines — 5.9 litre: 12 cylinders
Volkswagen Group diesel engine codes, specifications and source-listed applications: 5.9 litre: 12 cylinders.
-
Volkswagen Group diesel engines — 4.9 litre: 10 cylinders
Volkswagen Group diesel engine codes, specifications and source-listed applications: 4.9 litre: 10 cylinders.
-
Volkswagen Group diesel engines — 4.0-4.2 litre: 8 cylinder
Volkswagen Group diesel engine codes, specifications and source-listed applications: 4.0-4.2 litre: 8 cylinder.
-
Volkswagen Group diesel engines — 2.5-3.0 litre: 6 cylinders
Volkswagen Group diesel engine codes, specifications and source-listed applications: 2.5-3.0 litre: 6 cylinders.
-
Volkswagen Group diesel engines — 2.5 litre: 5 cylinders
Volkswagen Group diesel engine codes, specifications and source-listed applications: 2.5 litre: 5 cylinders.
-
Volkswagen Group diesel engines — 1.4-2.0 litre EA288 : 3&4 cylinder
Volkswagen Group diesel engine codes, specifications and source-listed applications: 1.4-2.0 litre EA288 : 3&4 cylinder.
-
Volkswagen EA211 engine reference
Volkswagen EA211 engine: family specifications and recorded engine variants.
-
Volkswagen D24 engine reference
Volkswagen D24 engine: family specifications and recorded engine variants.
-
BMW S85 engines
BMW S85 engine identification, specifications and recorded variants.
-
BMW S65 engines
BMW S65 engine identification, specifications and recorded variants.
-
BMW S14 engines
BMW S14 engine identification, specifications and recorded variants.
-
BMW P48 engines
BMW P48 engine identification, specifications and recorded variants.
-
BMW N73 engines
BMW N73 engine identification, specifications and recorded variants.
-
BMW N55 and S55 engines
BMW N55, S55 engine identification, specifications and recorded variants.
-
BMW N53 engines
BMW N53 engine identification, specifications and recorded variants.
-
BMW N51 and N52 engines
BMW N51, N52 engine identification, specifications and recorded variants.
-
BMW N45 engines
BMW N45 engine identification, specifications and recorded variants.
-
BMW N43 engines
BMW N43 engine identification, specifications and recorded variants.
-
BMW N26 engines
BMW N26 engine identification, specifications and recorded variants.
-
BMW N20 engines
BMW N20 engine identification, specifications and recorded variants.
-
BMW M73 engines
BMW M73 engine identification, specifications and recorded variants.
-
BMW M70 and S70 engines
BMW M70, S70 engine identification, specifications and recorded variants.
-
BMW M67 engines
BMW M67 engine identification, specifications and recorded variants.
-
BMW M60 engines
BMW M60 engine identification, specifications and recorded variants.
-
BMW M56 engines
BMW M56 engine identification, specifications and recorded variants.
-
BMW M43 engines
BMW M43 engine identification, specifications and recorded variants.
-
BMW M42 engines
BMW M42 engine identification, specifications and recorded variants.
-
BMW M41 engines
BMW M41 engine identification, specifications and recorded variants.
-
BMW M40 engines
BMW M40 engine identification, specifications and recorded variants.
-
BMW M337 engines
BMW M337 engine identification, specifications and recorded variants.
-
BMW M328 engines
BMW M328 engine identification, specifications and recorded variants.
-
BMW M21 engines
BMW M21 engine identification, specifications and recorded variants.
-
BMW B58 and S58 engines
BMW B58, S58 engine identification, specifications and recorded variants.
Make it verifiable. Record the exact hardware or vehicle variant, label photographs clearly and include sources. Leave uncertain details open for the next contributor.