Your Vehicle
McLaren P1 3.8 V8 916hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Power HP
Torque Nm
Book your Stage 1 remap
499 € VAT included · pay online, the work is done at the workshop you choose
Power Graph
McLaren P1 3.8 V8 916hp: da 916 a 1000HP
Remapping McLaren P1
MasterTuning is a leader in developing remapping for McLaren. La McLaren P1 3.8 V8 916hp può passare da 916 HP a 1000 HP con un incremento di 84 HP.
The development of each remap is customized by MasterTuning.
- 100% tested and customized files guarantee
- Tested and developed on a 4x4 dyno
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details McLaren P1 3.8 V8 916hp
The McLaren P1 3.8 V8 916hp is equipped with a petrol engine that produces 916 HP and 900 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this McLaren can achieve 1000 HP (+9%) and 1000 Nm (+11%).
Our Stage 1 tuning for the P1 All delivers an impressive gain of +84 HP and +100 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code M838TQ identifies this specific powerplant configuration. The Bosch MED17.9.7 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 916 HP from factory, this McLaren P1 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 — McLaren P1 3.8 V8 916hp
Factory technical data for the McLaren P1 3.8 V8 916hp (All), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | M838TQ |
|---|---|
| ECU / Control unit | Bosch MED17.9.7 |
| Fuel | Petrol |
| Compression ratio | 8.7 |
| Bore × stroke | 93.0 X 69.9 mm |
| Stock power | 916 HP · 900 Nm |
| Remapped power (Stage 1) | 1000 HP (+84) · 1000 Nm (+100) |
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 McLaren P1.
Frequently Asked Questions - McLaren P1
How much power can I gain from remapping my McLaren P1?
With MasterTuning Stage 1, your McLaren P1 3.8 V8 916hp can gain +84 HP (from 916 to 1000 HP) and +100 Nm of torque. This represents a 9% increase in power.
Is ECU remapping safe for the McLaren P1 engine?
Yes, MasterTuning's remapping for the McLaren P1 3.8 V8 916hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the M838TQ engine.
Is the McLaren ECU remapping reversible?
Absolutely. The original factory calibration of your McLaren P1 is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my McLaren 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.
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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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