Your Vehicle
Maserati Quattroporte 4.2 V8 400hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online + installation 350 € at the workshop (via the OBD port) Book now
Power HP
Torque Nm
Buy the Stage 1 file, pay the installation at the workshop
100 € VAT included: the file developed for your engine, paid online
Installation: 350 € network price, the workshop may charge less, paid at the chosen workshop (via the OBD port) · terms
Power Graph
Maserati Quattroporte 4.2 V8 400hp: da 400 a 425HP
Remapping Maserati Quattroporte
MasterTuning develops remapping for Maserati. La Maserati Quattroporte 4.2 V8 400hp può passare da 400 HP a 425 HP con un incremento di 25 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Maserati Quattroporte 4.2 V8 400hp
The Maserati Quattroporte 4.2 V8 400hp is equipped with a petrol engine that produces 400 HP and 460 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Maserati can achieve 425 HP (+6%) and 485 Nm (+5%).
Our Stage 1 tuning for the Quattroporte 2004 - 2012 delivers an impressive gain of +25 HP and +25 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code M 139A identifies this specific powerplant configuration. The Bosch ME7.3.2 / Bosch ME9.1.1 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 400 HP from factory, this Maserati Quattroporte is already a performance vehicle. Our remapping extracts even more potential, delivering exhilarating acceleration and enhanced driving dynamics for enthusiasts who demand the best.
Technical Specifications — Maserati Quattroporte 4.2 V8 400hp
Factory technical data for the Maserati Quattroporte 4.2 V8 400hp (2004 - 2012), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | M 139A |
|---|---|
| ECU / Control unit | Bosch ME7.3.2 / Bosch ME9.1.1 |
| Fuel | Petrol |
| Compression ratio | 11.0 |
| Bore × stroke | 92.0 X 79.8 mm |
| Stock power | 400 HP · 460 Nm |
| Remapped power (Stage 1) | 425 HP (+25) · 485 Nm (+25) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Maserati Quattroporte.
Frequently Asked Questions - Maserati Quattroporte
How much power can I gain from remapping my Maserati Quattroporte?
With MasterTuning Stage 1, your Maserati Quattroporte 4.2 V8 400hp can gain +25 HP (from 400 to 425 HP) and +25 Nm of torque. This represents a 6% increase in power.
Which ECU does the Maserati Quattroporte 4.2 V8 400hp use?
The Maserati Quattroporte 4.2 V8 400hp uses the Bosch ME7.3.2 / Bosch ME9.1.1 engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Maserati Quattroporte 4.2 V8 400hp?
The engine code of the Maserati Quattroporte 4.2 V8 400hp is M 139A. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Maserati Quattroporte engine?
Yes, MasterTuning's remapping for the Maserati Quattroporte 4.2 V8 400hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the M 139A engine.
Is the Maserati ECU remapping reversible?
Absolutely. The original factory calibration of your Maserati Quattroporte is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Maserati warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
Other Remaps You Might Like
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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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