Your Vehicle
Buick Park Avenue 3.8 V6 240hp
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
Buick Park Avenue 3.8 V6 240hp: da 240 a 270HP
Remapping Buick Park Avenue
MasterTuning develops remapping for Buick. La Buick Park Avenue 3.8 V6 240hp può passare da 240 HP a 270 HP con un incremento di 30 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 Buick Park Avenue 3.8 V6 240hp
The Buick Park Avenue 3.8 V6 240hp is equipped with a petrol engine that produces 240 HP and 380 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Buick can achieve 270 HP (+13%) and 420 Nm (+11%).
Our Stage 1 tuning for the Park Avenue 1999 - 2005 delivers an impressive gain of +30 HP and +40 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code L67 Series 2 identifies this specific powerplant configuration. The Marelli MJD8F3 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 240 HP from factory, this Buick Park Avenue 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 — Buick Park Avenue 3.8 V6 240hp
Factory technical data for the Buick Park Avenue 3.8 V6 240hp (1999 - 2005), 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 | L67 Series 2 |
|---|---|
| ECU / Control unit | Marelli MJD8F3 |
| Fuel | Petrol |
| Compression ratio | 8.5 |
| Bore × stroke | 96.0 X 86.0 mm |
| Stock power | 240 HP · 380 Nm |
| Remapped power (Stage 1) | 270 HP (+30) · 420 Nm (+40) |
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 Buick Park Avenue.
Frequently Asked Questions - Buick Park Avenue
How much power can I gain from remapping my Buick Park Avenue?
With MasterTuning Stage 1, your Buick Park Avenue 3.8 V6 240hp can gain +30 HP (from 240 to 270 HP) and +40 Nm of torque. This represents a 13% increase in power.
Which ECU does the Buick Park Avenue 3.8 V6 240hp use?
The Buick Park Avenue 3.8 V6 240hp uses the Marelli MJD8F3 engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Buick Park Avenue 3.8 V6 240hp?
The engine code of the Buick Park Avenue 3.8 V6 240hp is L67 Series 2. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Buick Park Avenue engine?
Yes, MasterTuning's remapping for the Buick Park Avenue 3.8 V6 240hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the L67 Series 2 engine.
Is the Buick ECU remapping reversible?
Absolutely. The original factory calibration of your Buick Park Avenue is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Buick 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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