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Land Rover Discovery Iv Lr4 2009 remap

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

The Land Rover Discovery Iv Lr4 2009 makes 335 bhp and 450 Nm as standard. A Stage 1 ECU remap takes it to 375 bhp and 460 Nm, a gain of 40 bhp (12%) with no hardware changes. Stage 2, with uprated intercooler, high-flow intake, sports catalyst, reaches 405 bhp and 488 Nm. Remap risk for this engine is low, 2 out of 10.

Standard

335 bhp

450 Nm

Stage 1

375 bhp

460 Nm · +40 bhp

Stage 2

405 bhp

488 Nm · +70 bhp

Remap risk

LOW

2 / 10

Is a remap worth it on the Land Rover Discovery Iv Lr4 2009?

A modest but real gain. Worth it for drivability and mid-range pull rather than headline power.

What each stage needs

Stage	Power	Torque	Hardware
Standard	335 bhp	450 Nm	None
Stage 1	375 bhp	460 Nm	Software only
Stage 2	405 bhp	488 Nm	Uprated intercooler, high-flow intake, sports catalyst

Risk on this engine: low

Moderate 12% gain: standard remap territory.
Naturally aspirated: lower mechanical risk. Gains from timing and fuelling optimisation.

How to keep the risk down

Use RON 97+ fuel to maximise timing advance.
Keep a copy of the original ECU file before flashing.

Remote remap for your Land Rover Discovery Iv Lr4 2009: 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. 375 bhp and 460 Nm on this engine.
Stage 2 Remote	£299	Uprated intercooler, high-flow intake, sports catalyst already fitted. 405 bhp and 488 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 Land Rover Discovery Iv Lr4 2009 gain from a remap?

A Stage 1 remap adds about 40 bhp and 10 Nm, taking it from 335 to 375 bhp. Stage 1 is software only.

Is it safe to remap a Land Rover Discovery Iv Lr4 2009?

Remap risk is rated low (2/10). Moderate 12% gain: standard remap territory. Use RON 97+ fuel to maximise timing advance.

Does a remap affect the MOT or insurance on a Land Rover Discovery Iv Lr4 2009?

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 Land Rover Discovery Iv Lr4 2009 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 Land Rover engines

Land Rover Defender 1998 2002 · +45 bhp Land Rover Defender 2002 2007 · +45 bhp Land Rover Defender 2007 2011 · +30 bhp Land Rover Defender 2012 · +36 bhp Land Rover Discovery Ii S2 1998 2004 · +43 bhp Land Rover Discovery Ii S2 1998 2004 · +25 bhp Land Rover Discovery Ii S2 1998 2004 · +25 bhp Land Rover Discovery Iii Lr3 2004 2009 · +38 bhp

All Land Rover 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.