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Stage 1 · Petrol

BMW 3 Series (F3X) 2014> M3 Competition 443bhp remap figures

Thinking of remapping a BMW 3 Series M3 Competition 443bhp? The standard car makes 443bhp and 599Nm; with a Stage 1 remap from our Leicester workshop we expect around 534bhp and 795Nm, up to +91bhp and +196Nm.

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Stage 1 remap figures

A Stage 1 remap is a software-only change to the ECU on an otherwise standard car. It needs no extra parts, which makes it the usual starting point.

StockVanguard expectedExpected gain, up to
Power443 bhp534 bhp+91 bhp
Torque599 Nm795 Nm+196 Nm

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All maps at a glance

MapPowerTorqueExpected gain, up to
Stock443 bhp599 Nm
Stage 1Maximum software-only performance534 bhp795 Nm+91 bhp
+196 Nm
Stage 1 EcoPerformance with economy in mind511 bhp779 Nm+68 bhp
+180 Nm
Eco mapEconomy first504 bhp770 Nm+61 bhp
+171 Nm

Who is the Stage 1 map for?

  • Drivers who want a sharper throttle and a small, honest gain from software alone.
  • Owners who would rather keep the car standard in every other way.
  • Anyone who wants the fullest software-only map for this engine, accepting that the gain is modest without a turbocharger.

What this means for your 3 Series

Without a turbocharger the improvement comes from ignition, fuelling and throttle mapping rather than boost, so expect a smaller but still noticeable change in response.

This car is listed with a Bosch MEVD17.2 engine control unit. We read the ECU on your car and compare it with the software listed here before any work starts, so you know what to expect before you commit.

We remap at our Belgrave Gate workshop in Leicester, or at your home or work within 30 miles, and every job starts with a diagnostic check.

Please note: these are expected figures, not guarantees. Real results vary with the condition of the vehicle, the ECU software version, fuel quality and the hardware fitted. Some options - including Stage 2 and anything that needs extra hardware - are for off-road or competition use only. We check every vehicle first and confirm what is achievable before any work starts.

Figures reviewed 22 October 2026.

Stage 1 questions

How much power does the Stage 1 map give the BMW 3 Series M3 Competition 443bhp?

We expect 534bhp and 795Nm against 443bhp and 599Nm as standard: up to +91bhp and +196Nm. These are expected figures, and we confirm what is achievable on your own car after a diagnostic check.

Does a Stage 1 remap need any extra parts on the BMW 3 Series M3 Competition 443bhp?

No. Stage 1 is a software-only change to the ECU on an otherwise standard car.

Is there a gentler map than Stage 1 for this engine?

Yes, two. Stage 1 Eco is performance with economy in mind: 511bhp and 779Nm expected. The Eco map is economy first: 504bhp and 770Nm. Both still sit above the standard 443bhp and 599Nm.

Do I need to tell my insurer about a remap?

Yes. A remap is a modification, so you should declare it to your insurer.

More BMW 3 Series figures

Other petrol variants

All petrol 3 Series (F3X) variants · 3 Series (F3X) 2012-2019 overview · All BMW figures