WinOLS Image

In the dynamic world of automotive tuning, pushing the limits of what’s possible is a constant pursuit. Recently, a significant breakthrough has been made in the realm of SID321 Engine Control Units (ECUs), once deemed unhackable. This achievement opens doors to a host of new possibilities, from optimizing AdBlue systems to fine-tuning engine performance and even deleting EGR systems.

The SID321 ECU, prevalent in a range of vehicles, posed a unique challenge to tuners due to its robust security features. However, relentless innovation and dedication have led to the development of groundbreaking solutions that bypass these barriers, granting access to previously inaccessible parameters.

One of the key areas of focus for tuning solutions is the AdBlue system. Designed to reduce harmful nitrogen oxide emissions, optimizing AdBlue usage can have a significant impact on both environmental compliance and engine performance. With newfound access to the SID321 ECU, tuners can now fine-tune AdBlue injection rates and strategies, striking the perfect balance between emission control and engine efficiency.

Moreover, the ability to modify EGR (Exhaust Gas Recirculation) systems presents another avenue for enhancing vehicle performance. EGR deletes, while controversial from an emissions standpoint, can improve engine responsiveness and reduce the risk of carbon buildup in the intake manifold. By offering tailored solutions for EGR management, tuners can cater to the diverse needs of their clientele, whether it’s maximizing performance on the track or enhancing fuel economy for daily driving.

In addition to AdBlue optimization and EGR deletes, tuning solutions for the SID321 ECU encompass a wide range of enhancements, including fuel mapping adjustments, turbocharger optimization, and transmission tuning. Each modification is carefully calibrated to extract the maximum potential from the engine while ensuring reliability and longevity.

At Inverness Tuning, we’re proud to be at the forefront of this groundbreaking development. Our team of skilled technicians and engineers has worked tirelessly to overcome the challenges posed by the SID321 ECU, providing our customers with cutting-edge tuning solutions that were once thought impossible.

As we continue to push the boundaries of automotive tuning, the future looks brighter than ever. With innovative solutions for previously untapped ECUs like the SID321, the possibilities for enhancing vehicle performance and efficiency are virtually limitless. Whether it’s AdBlue optimization, EGR deletes, or comprehensive engine tuning, drivers can now unlock the full potential of their vehicles like never before.


  • 1.0 ECO-G
  • 1.0 SCE
  • 1.0 TCE
  • 1.3 TCE


  • 0.9 TCE
  • 1.0 SCE
  • 1.0 TCE
  • 1.3 TCE
  • 2.3 Blue DCI


  • 1.0 DIG-T
  • 1.0 IG-T
  • 1.3 DIG-T
  • 2.3 DCI


  • 1.0 MPI
  • 1.0 MPI-T
  • 1.3 DI-T

Please note: Due to the complexity of SID321 tuning, contacting Inverness Tuning directly is recommended to discuss the specifics and suitability for your vehicle.