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Passenger car tuning

Optimum Tuning Ltd

Extensive research and development in engine management software upgrades results in our ultimate aim. To provide you with a software package that is tailor made to your vehicle and your requirements.

All of our upgrades meet TUV approval and use the very latest techniques, the very best equipment and software to ensure you with a smooth progressive power increase staying within safe margins of your vehicles limits. To achieve this we raise and fine tune fuel injector duty cycles and ignition timing, increase fuel pressure and increase boost levels and RPM limits where applicable.

We can offer economy software and two performance upgrade levels depending on your requirements:

Performance Stage one

A perfect balance of power, torque and MPG improvement. Increased Power and torque up to 45% depending on model. Also results in improved fuel consumption, up to 15% on diesel models.

Performance Stage two

Increases Power and torque up to a further 10% over stage one.
This is for the more demanding driver. Also a very popular choice for track day enthusiasts who run other hardware modifications.

Economy Stage ECO

Diesels only. Power and torque increase are focused at lower RPM range to improve MPG consumption. Up to an improvement of 20% MPG. Highly recommended for clients who travel long distances.

We can also remap vehicles with hardware upgrades such as FMIC, hybrid turbo’s,and
other modifications. Please contact us for more details.

Example of recent work

Car Stock Remapped Performance Stage
Audi A4 3.0tdi V6 pd 236bhp 500nm 290bhp 585nm Stage 1
Skoda Fabia VRS 1.9 130pd 130bhp 310nm 178bhp 410nm Stage 2
Seat Leon Cupra R 225 225bhp 280nm 265bhp 360nm Stage 1
BMW 335D 286bhp 580nm 355bhp 690nm Stage 2
Range Rover Sport TdV8 268bhp 640nm 331bhp 830nm Stage 1
VW Golf Gt Sport 170 PD 170bhp 350nm 205bhp 420nm Stage 2

Ecu Mapping Process

Diagnostic check: First we carry out a full diagnostic check, this is to see if there are any under-lying faults within your engine management system. You will be notified if there is any further actions if required. This is free with all Optimum Tuning Ltd upgrades.

Road test: We road test the vehicle to make sure no obvious mechanical issues exist.

ECU read: Then we read the standard software from your vehicle via the Serial port or removal of ECU. This is then saved on our database and you will receive a copy of your standard software.

Modification: We then modify your standard software to within its safe working limits, ensuring smooth power and torque increase.

Final Road test: Now we road test it after the upgrade process is completed. This not
only is an opportunity to appreciate our years of research and testing to produce smooth
increments of torque and power but to make sure no mechanical issues have been
highlighted by the remap.



There are so many restrictions on motorists and your vehicles ECU software is no exception. All petrol and diesel vehicles are restricted by the manufacturer from factory to compensate for the possibility of poor service and maintenance, use of lower quality fuels/oil and to meet lower road tax/ insurance brackets etc. Optimum Tuning can raise these limits to give you a more powerful, sharper, smoother and more responsive drive. We only use the very best programmes and hardware to upgrade your vehicles ECU software to increase BHP,

Torque, throttle responsive and MPG All our software upgrades, both remapping and traditional chip tuning (if not supported by Serial Port Programming) meet TUV approval, ensuring your vehicles engine stays within safe measures.

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