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Mclaren 540C 2016 remap

Petrol · Flash via OBD · Figures published for this engine · Remote remap available UK-wide from £199

The Mclaren 540C 2016 makes 533 bhp and 540 Nm as standard. A Stage 1 ECU remap takes it to 562 bhp and 601 Nm, a gain of 29 bhp (5%) with no hardware changes. Stage 2, with uprated intercooler, high-flow intake, sports catalyst, reaches 633 bhp and 644 Nm. Remap risk for this engine is low, 3 out of 10.

Standard

533 bhp

540 Nm

Stage 1

562 bhp

601 Nm · +29 bhp

Stage 2

633 bhp

644 Nm · +100 bhp

Remap risk

LOW

3 / 10

Is a remap worth it on the Mclaren 540C 2016?

The gain is small on this engine. Most owners remap it for throttle response and economy rather than power.

What each stage needs

Stage	Power	Torque	Hardware
Standard	533 bhp	540 Nm	None
Stage 1	562 bhp	601 Nm	Software only
Stage 2	633 bhp	644 Nm	Uprated intercooler, high-flow intake, sports catalyst

Risk on this engine: low

Conservative 5% gain: well within ECU safety margins.
Twin-turbo: both units must be healthy before increasing boost.
Very high factory output (533 bhp): already near thermal limits.

How to keep the risk down

Inspect both turbos for shaft play.
Monitor boost post-tune to confirm even contribution.
Premium full-synthetic oil (0W-40 or 5W-50) mandatory.
Oil cooler upgrade recommended.
Keep a copy of the original ECU file before flashing.

Remote remap for your Mclaren 540C 2016: Stage 1 from £199

No trip to a workshop. ORCA Remapping, part of the same company as BeakCheck, tunes your car's own ECU file and sends it back, UK-wide.

Read the ECUWith your own tool (AutoTuner, KESS3, Alientech KTM, MPPS V21) or a local garage that has one. Takes a few minutes through the OBD port.

ORCA tunes the fileA calibration for this exact engine, checked against 55 safety limits, back in one to three days.

Flash it backYour stock file is kept as a backup, so it is fully reversible, with 30 days of support.

Service	Price	Needs
Stage 1 Remote	£199	Standard car, software only. 562 bhp and 601 Nm on this engine.
Stage 2 Remote	£299	Uprated intercooler, high-flow intake, sports catalyst already fitted. 633 bhp and 644 Nm.
Diagnostic file analysis	£49	Read-only check of the existing file: detects a previous tune before you buy a used car.

Paid up front on orcahq.co.uk once ORCA confirms your engine and tool. Or ask first, no obligation:

Questions owners ask

How much power does a Mclaren 540C 2016 gain from a remap?

A Stage 1 remap adds about 29 bhp and 61 Nm, taking it from 533 to 562 bhp. Stage 1 is software only.

Is it safe to remap a Mclaren 540C 2016?

Remap risk is rated low (3/10). Conservative 5% gain: well within ECU safety margins. Inspect both turbos for shaft play.

Does a remap affect the MOT or insurance on a Mclaren 540C 2016?

A remap does not affect the MOT test, which does not read the ECU calibration. It is a modification for insurance purposes and must be declared to your insurer; most mainstream insurers accept a declared Stage 1 with a premium adjustment.

How is a Mclaren 540C 2016 remapped?

Through the OBD diagnostic port in the cabin. The original file is read and saved first, then the modified calibration is written. Typically under two hours.

Check your exact car by registration

Free DVLA and MOT check, plus the remap verdict for the engine actually fitted to your car.

Other McLaren engines

Mclaren 570S 2015 · +71 bhp Mclaren 650S 2014 2016 · +79 bhp Mclaren Mp4 12C 2011 2014 · +108 bhp

All McLaren remaps

Remapping guides

What Is an ECU Remap? A Plain-English Guide for UK Drivers Is Remapping a Car Worth It? An Honest UK Guide Stage 1 vs Stage 2 Remap: What Is the Difference?

Power figures are published Stage 1 and Stage 2 results for this engine and are a guide. Actual gains depend on the car's condition, fuel and the map used. BeakCheck and ORCA Remapping are trading names of Bloor Engineering Ltd.