$599.99
FIAT 500X Engine Control Module - MAXPower PRO by MADNESS - 1.3L Multi Air Turbo - 500 MADNESS - Auto Parts and Accessories
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MAXPower PRO

Engine Control Module By MADNESS Autoworks




The MAXPower Pro features completely new, next-generation hardware with exclusive, all-new proprietary mapping that is designed to delivery significant power gains and outperform the competition.
FIAT 500X Engine Control Module - MAXPower PRO by MADNESS - 1.3L Multi Air Turbo

Proven Performance

HP and TQ Performance Gains of up to 20% where it counts!*

MAXPower Pro modules feature the latest generation 64-bit processor along with proprietary software to deliver performance gains where it counts.
Instead of focusing on top end gains that users rarely reach, we focus on power gains in the mid range where you would actually feel them.

Our latest generation hardware and proprietary software allows us to provide you with significant boost in power that you WILL feel.
You can expect horsepower and torque gains of up to 20% throughout the power curve.

No Inflated Performance Gains

We do not inflate performance gains or use fancy charts/ graphs that show unrealistic power gains. Rarely will you drive your vehicle at speeds and conditions in which you will be able to verify these numbers. Rather than post unrealisting gains or inflated numbers we simply offer our product with a 30 Day Money Back Guarantee. We are confident that trying is believing and driving the vehicle with the MAXPower PRO installed will show you much more than any graph/ chart.

Road Tested

Our MAXPower Pro modules have now been installed on countless vehicles all over the world. We have personally put on tens of thousands of miles of testing on our own test vehicles prior to release. Since the release of these modules fellow enthusiasts from all around the world, in every conceivable weather condition, fuel grade, and level of vehicular abuse have given these modules the ultimate test (daily use). In short - we know it will work for your vehicle, no matter where you are in the world, and no matter what your driving habits are.

Power You Can Feel

Rarely do you drive your vehicle at high speeds the way someone would on a track and take your engine to the very edge. We focus on delivering power gains in the low end and mid range where you will feel them on a daily basis as you drive. High horsepower gains that look good on a dyno sheet require giving up some gains in the low and mid range. We feel that most drivers would prefer better gains in the low and mid range where you can feel it and use it on daily basis rather than gains that will rarely be replicated unless you are on a track going all out.

Going to the track? Custom Race Track Only Tunes are available on request.

Why MAXPower PRO?

Next Generation Hardware

Setting the standard for tuning products to come

The new MAXPower PRO is more than just an improvement over previous generation hardware, it features cutting edge technology with many features exclusively available on the MAXPower PRO!

All New 64-bit Processor

A new 64-Bit Processor is capable of handling and processing data significantly quicker and much more efficiently than all other previous generation processors (most units on the market still use an older 16-Bit or even older 8-Bit Processor). This means the MAXPower PRO is able to read, write and adjust the values being read from the various sensors much faster and much more efficiently. This allows for superior all around power delivery.

Multi-Channel Adaptive Tuning

The MAXPower PRO features an advanced 64-bit microprocessor controlled computer board that optimizes power demands in real time according to engine load and speed. The module reads data from various sensors simultaniously and more efficiently than other competing units.

27,000 Adjustment Points

The majority of other ECM units incorporate only 20-30 points for tuning. The MAXPower PRO with the help of the newly released 64-Bit Processor allows for up to 27,000 adjustment points. This allows the MAXPower PRO to provide a much smoother and faster power delivery when compared to other units that feature older generation hardware.

Cold Start Timer

A warm-up timer puts the upgraded performance on tap only after the engine has reached ideal operating temperature. It is better for the engine to allow ample time for it to warm up properly before being asked to deliver maximum performance.

Your vehicle is already warmed up? No problem! You can easily bypass the Cold Start Timer for immediate power gains.

Advanced Built-in Protection

The MAXPower PRO includes advanced circuity designed to protect your vehicle. In the event a sensor or value is found to be out of its normal range, the MAXPower PRO will simply return the system to stock parameters ensuring peace of mind.

Expandable Hardware

The MAXPower PRO is designed utilizing hardware that is easily upgradable if the need ever arises or if and when new features and/ or functions become available. This means the MAXPower PRO will not become obsolete compared to other units that feature older generation hardware.

Remotely Upgradeable

If and when software updates are released there is no need to send the unit back for updates. If newer software becomes available for your model it can be flashed and installed remotely for a much quicker and painless upgrade process.

We program our modules on premises and our team can guide you through the update process (if ever needed) with detailed instructions. You will not have to ship your MAXPower PRO back to us unlike other units in the market.

Simple Installation

The MAXPower PRO offers user friendly installation!

The MAXPower PRO is designed to give you significant power gains with well tested tested and proven results. The module is also designed with user friendly installation and removal. With the vehicle-specific adapter plugs, installation can be carried out in just a few simple steps. We have a knowledgeable and accessible staff who can assist you via phone, email, or in-person, with any product questions, installation, or post-install support.


  • Plug-and-play installation with no special tools needed
  • Factory style connectors
  • Preconfigured and ready for use immediately after installation

DIY Install Instructions

Click here for Installation Instructions for this product!

Read More

Most Warranty Safe Option

The MAXPower Pro ECM is one of the most warranty-safe power upgrade options available on the market. Unlike direct flash tuning option which triggers the factory flash counter on the vehicle's ECU and is permanently stored, the MAXPower PRO does not trigger the factory flash counter and does not leave a permanent trace and/ or record of the upgrade within the factory ECU. In addition, our MAXPower Pro Module can be quickly removed which allows you the owner the option of quickly reverting the vehicle back to stock settings. In just a few minutes you can leave the harness in place, remove the MAXPower Pro module by unplugging the module and replacing it with the included bypass plug.

Want to go a step further?
You can completely reverse the vehicle to 100% factory spec by simply uninstalling the unit.

The ability to reverse the modification without a trace makes the MAXPower Pro one of the safest options for increasing power output by a substantial degree. You can choose at any time to completely remove the module and the harness which would leave no trace of the module ever being installed.

Keep in mind that no modification is 100% safe. Even a completely stock vehicle can be damaged by improper care and abuse. Unlike a direct flash, we design the software in our modules to work within the safety parameters set by the vehicle manufacturer.

Built to Last

The MAXPower PRO uses a high quality wire harness with factory style connectors.
The casing of the module was specifically developed for automotive application.

Buy with Confidence

The MAXPower PRO comes with a 2 year product warranty and a 30 day money back guarantee!

30-Day Money Back Guarantee

We guarantee that our MAXPower Pro ECM will outperform all other ECMs on the market in power delivery, drivability, features and reliability or your money back! Order it, install it and use it for up to 30 days. If you are not 100% satisfied return it for a refund. It is that simple!

Warranty

This means if the product develops a fault it will be repaired, or if un-repairable, it will be replaced free of charge.** Unlike other ECMs without the bypass plug or a direct flash there is no downtime for your vehicle if a problem ever occurs. Simply unplug the ECM, install a bypass plug and ship it to us. We will promptly take care of the issue and ship the unit back.


  • Vehicle-specific Tuning
  • 2-Year Product Warranty
  • OEM Quality Materials
  • Excellent Reliability
  • Superior Product Longevity

CARB Certification

The MAXPower PRO has been tested for performance gains and emissions output by the SEMA Emissions Compliance Center for CARB Compliance. The preliminary tests concluded that the modules work correctly and fall within the legal requirements for CARB Certification. Certification with CARB is currently in progress. The process is very detailed and very lengthy. Until full certification is granted by CARB this module is being sold for "Off Road/ Race Use Only".

The Bottom Line

Our objective is to offer leading edge solutions to our fellow enthusiasts who want to easily and safely make their vehicle more powerful, more responsive and more enjoyable.

We are confident in how our MAXPower PRO compares to other ECMs on the market. Due to this we offer an industry-unmatched 30 Day Money Back Guarantee.
Features MAXPower Pro Competitors
Exclusive 64-bit Processor
27,000 Adjustment Points
Advanced Built-in Protection
Expandable Hardware
Remotely Upgradeable
30-Day Money Back Guarantee
2-Year Product Warranty

Product Reviews

Average user rating

5 / 5

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FIAT 500X Engine Control Module - MAXPower PRO by MADNESS - 1.3L Multi Air Turbo

Get yours today!

MAXPower PRO By MADNESS

Need Assistance? We're here to help!

Give us a call at (512) 982-9393!

Product ID Number: 5212

Frequently Asked Questions

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What can I expect once I install the MAXPower Pro?

You will see an increase in horsepower and torque of up to 20%. The vehicle will be noticeably stronger pulling away and over-taking. Keep in mind that all performance figures quoted are given as an approximate guideline. They will vary from car to car, as performance figures can also be influenced by many outside factors. Temperature, air quality, quality of fuel, and maintenance of the vehicle all affect power output.

For any questions or for detailed information about our testing process and the vehicles used, please reach out to us directly!

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Could this unit damage my engine?

These units are specifically designed to run within the manufacturers’ safety limits and tolerances. The extra performance is easily within the capability of the engine and gearbox. Unlike a direct flash we do not overwrite, modify, or erase factory safety settings, and we have designed the software of the module to operate within the safety perimeters of the factory ECU. The service intervals of the vehicle will not change - however, it is important that they be done on time and using original manufacturer-spec parts. It is also very important to regularly check the engine oil level and top up if necessary with the correct oil as most modern engines are designed to use some oil to increase the lifespan of the engine.

We at MADNESS recommend adhering to a preventative maintenance schedule for consumable service items (such as oil, spark plugs, engine air filters) for optimal performance of any modified vehicle. Should you instead choose to follow the manufacturer-recommended service intervals, you may do so without worry. Please keep in mind that how you drive your vehicle is often more important then what upgrades you have. Even unmodified motors can be damaged if the vehicle is not properly cared for or abused.

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Can I install the MaxPower Pro ECM myself?

Generally, yes! This product can be fitted by most users at home or a trained technician in about 1 hour. While professional installation is always a good idea, we have made a user-friendly install a priority in the development of this product, and encourage users to take a look at our installation instructions first before having a 3rd party install the product. We offer a detailed installation instructions for this product and take you step by step to make the installation simple. We can also give you assistance over the phone if needed.

Installation services are available at our facilities and we welcome drivers from all over the US on a daily basis.

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Is it legal to increase the performance of my engine?

As with most performance enhancing products, regulations vary from state to state. We offer this unit as "For Off Road and Track Use Only" and encourage you to check with your local state laws to see if this unit is legal for on road use in your country/state. The MAXPower Modules have been tested for performance gains and emissions output by the SEMA Emissions Compliance Center for CARB Compliance. The test concluded that the modules work correctly and fall within the legal requirements for CARB Certification. Certification with CARB is currently in progress. The process is very detailed and very lengthy. Until full certification is granted by CARB this module is being sold for "Off Road/ Race Use Only".

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How does the MAXPower Pro work?

There are two main methods of tuning modern engines; one is by chip tuning / ECU re-mapping: this involves using a special interface to read out the program from the car's computer or ECU and then writing in a new program to increase performance.

The second method is to use an external plug in Tuning Box - or some people refer to them as, a 'Piggyback ECM'. These units connect into the existing wiring of the vehicle generally using original manufacturers' connectors. A control unit (Tuning Box) is then attached, which can override the signals coming from the engine's sensors to the car's ECU and alter them to allow the injectors or common rail to inject more fuel at certain times and increase turbo pressure to keep the air/ fuel ratio correct.

These units are generally connected to either the fuel injectors or to the pressure sensor on the injection system's common rail (the common rail is a thin cylinder close to the injectors which holds the fuel at high pressure before feeding it to the injectors) and also to the pressure sensor of the turbo charger allowing us to increase turbo pressure to match the increased fuel.

The new MAXPower Pro is the newest generation of Engine Control Modules featuring a fuel pressure sensor connection, completely new, state of the art hardware, and completely new tuning software that provides you with the safest and highest gains possible. Our mapping is designed to give you up to a 20% gain in power starting at the low end of the power band and continuing all the way up the power band curve. We do not chase high power gains at the upper rpm range for the sake of higher dyno numbers. We concentrate our power gains in the mid-range where your vehicle will spend the most time.

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What's the difference between analog and digital tuning units?

Quite simply, the analog unit has no electronics inside and no processor. It's generally made of resistors inside a plastic box with a screw to increase or decrease fueling. These are very cheap to make and are usually found on auction sites. The risk with these units is that they have no set program to deliver the increased fuel at specific points - instead, they just increase fueling continuously, even at idle, which can cause the engine to run erratically and over time will likely cause damage to emissions components or the engine itself (and usually create excessive smoke from the exhaust).

The analog units generally will not work on a large number of modern cars due to the intelligence of the latest OEM computers running the engine - which can detect the changes made and will cause the engine warning lamp to come on and the engine to go into safe mode or "limp mode" (greatly reduced power, limited revs, throttle cut, disabling of certain onboard electrical systems).

A digital tuning unit has a microprocessor controlled computer board inside which is programed with specific parameters for each individual vehicle to obtain the maximum performance without reaching the safety cut off limits set by the manufacturer. These units are typically first set up on a dynamometer so the results can be accurately measured, then field-tested through various region-specific fuel grades and atmospheric conditions with adjustments and retests made as needed.

The digital unit will not function until the accelerator pedal is pressed beyond a certain point (at which you are demanding extra power). This means that no extra fuel is being added at idle and any additional fuel being injected is carefully monitored as the engine approaches maximum revs for safety. As the units do not write over the programming of the factory powertrain computers, the digital tuning units do not prevent the ability of the intelligent OEM computers to make adjustments for variables and safety (such as fuel quality, atmospheric conditions, altitude, etc). And since the parameters in the digital tuning kit are hard programed into its control chip, those values can never alter over time or temperature.

Put simply, the digital unit is carefully designed using the latest technology to safely achieve the maximum performance from each individual make and model of vehicle.

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Chip tuning / Remapping or Tuning Box / ECM - which is best?

It’s a personal choice really, both should give similar results. For most users, a Tuning Box like the MAXPower Pro ECM is preferable if the car is under warranty, as the unit can just be removed for servicing and re-fitted afterwards. The unit also comes with an easy to use bypass plug that makes removal of the ECM extremely quick should have to remove it for any reason.
* All performance figures quoted are given as an approximate guideline. They will vary from car to car, as performance figures can also be influenced by many outside factors.
Temperature, air quality, quality of fuel, and maintenance of the vehicle all affect power output.
** The unit will need to be shipped directly to us for service. The customer is responsible only for return postage and insurance in the event of loss.

About Manufacturer

MADNESS Autoworks is your One Stop Shop for customizing, accessorizing and servicing your favorite ride.

Whether you are looking for custom wheels, window tinting, custom stereo installation or other performance modifications we are your shop.

MADNESS Autoworks is located in Signal Hill, CA (an enclave surrounded by the City of Long Beach) and is a facility dedicated to making your favorite ride truly yours by offering a wide line of aftermarket accessories, installation and customizing services.

MADNESS Autoworks was originally known as SMART MADNESS a company that became famous for customizing and accessorizing smart cars.

SMART MADNESS has become the largest provider of smart car parts, accessories and customizing services in North America and now one of the largest globally in just a couple of short years.

We accomplished this goal by providing the very best in products and services at reasonable prices with a personal touch. We treat our customers like family members and do our best to make sure every one of our customers gets the very best treatment possible.

A number of our customers own other cars besides the smart car and continuously ask us if we would also work and or customize their other car due to their positive experience with us. This is how MADNESS Autoworks was born.

Our goal is simple! Provide you, the driver with the widest range of products, servicing and customizing options with friendly service at a very competitive price.

After spending years working on cars and working with many suppliers we thought at times we could do better by designing and manufacturing some products ourselves. We started partnering up with our most trusted manufacturing partners and suppliers, investing in infrastructure, manufacturing equipment and recruiting some of the best talent that could help us design and build superior products and make them available to our fellow drivers.
 

Our goal is to provide a top quality product that has been tested and used in our own cars and has proven to last and provide a good value for the investment. Whether you are looking for the best value in a set of floor mats, a performance exhaust system, an intake, a roll cage or a carbon fiber part the MADNESS Item is designed to deliver on our promise of bringing a good quality item at a reasonable price. We do not design and build our products to be the cheapest, we design then to be the best value for the money and stand behind them the same way we stand behind our work.


If you ever have a question, need assistance or have a request contact us and we will be glad to help.

We are an independent company and are not affiliated with Stellantis, FCA, Fiat, Abarth or any of their affiliated companies. Any references herein to vehicles or parts manufactured, distributed, or sold by them are done only to identify those vehicles for which we provide aftermarket parts or services or parts that we resell for aftermarket purposes. We are not licensed to use any trademarks or service marks owned by Stellantis, FCA, Fiat, Abarth or any of their affiliates.