E39 E39 — Stage 1 ECU Tune
- Enhanced idle stability
- Improved drivability performance
- Emissions compliance with state requirements
- Optimised engine operation across all load ranges
- Better serviceability with engine bay space utilization
A tidy LS conversion running the factory ECU with a few sensible bolt-ons: camshaft upgrade, headers, and intake work. The goal was to get the calibration right for the hardware without any standalone complications. Factory management does the job when the tune reflects what's actually been changed.
We dialled in the VE tables, timing, and fuel delivery to suit 98 RON and the revised airflow characteristics. The dyno returned 250 kW at the wheels and 380 Nm, which lines up well for a naturally aspirated 6.0L with these mods. Clean power curve, no flat spots, and the drivability stayed exactly where it should for a road-going E39.
Stage 1 keeps it straightforward: no extra hardware required beyond what was already fitted. A solid street setup that makes the most of the LS platform in a chassis that suits it.
Can you tune the factory LS ECU without going standalone?
Yes. The factory ECU can be recalibrated to suit modified hardware like cams, headers, and intake work. It's a cost-effective option when the engine mods are within the ECU's capability.
What sort of power should a 6.0L LS make with these mods?
250 kW at the wheels is typical for a naturally aspirated 6.0L with a cam upgrade, headers, and intake work on 98 RON. It's a healthy result without forced induction.
Is this suitable for daily driving on the street?
Yes. The tune prioritises drivability and keeps the power delivery linear. It's a proper street car with improved output, not a stripped-out race setup.
Workshop & Dealer Access
Protunes supplies ECU calibration files exclusively to approved workshops, tuners, and dealers throughout Australia. Platform: Factory.
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