ChiptuneMAP
ChiptuneMAP/BMW/1M/3.0i (M) - 340ch
BMW

3.0i (M) - 340ch Tuning

BMW 1M: detailed power and torque gains by stage.

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Stage 1 for your 1M: garage prices

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Gains by stage(4)

Power

340 hp

Torque

450 Nm

Petrol
Power
340→380hp
+40 hp
+12%
Torque
450→570Nm
+120 Nm
+27%
OriginalTuned

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Tuners · ChiptuneFILE

Stage 1 file for the 3.0i (M) - 340ch

Send the ECU read, get back an optimised and tested file.

  • Stage 1, Stage 2, E85
  • Checksum corrected, original file kept
  • For professionals only
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Everything about 3.0i (M) - 340ch tuning

Tuning the 3.0i (M) - 340ch found in the BMW 1M is one of the most popular performance upgrades. This engine offers excellent potential for power and torque gains.

On ChiptuneMAP, find verified gain data for each stage, compare tuner prices and find the ideal professional for your project.

Gains summary by stage

On the BMW 1M 3.0i (M) - 340ch, tuning delivers up to +80 hp and +180 Nm depending on the stage. Stock vs tuned figures:

StagePowerTorqueIndicative price
Stage 1340 → 380 hp450 → 570 NmOn quote
Stage 2340 → 420 hp450 → 630 NmOn quote
E85 Flexfuel340 → 340 hp450 → 450 NmOn quote
E85+340 → 380 hp450 → 570 NmOn quote

Frequently asked questions

What gains can I expect from tuning the 3.0i (M) - 340ch?
Tuning the 3.0i (M) - 340ch (BMW 1M) delivers significant power and torque gains depending on the chosen stage. Stage 1, with no hardware modifications, offers the best gain-to-reliability ratio.
Is tuning reliable on the 3.0i (M) - 340ch?
Yes, the 3.0i (M) - 340ch is known for its reliability when tuned, especially at Stage 1. It's essential to use a professional, experienced tuner with maps tailored to your engine.
How much does BMW 1M tuning cost?
Prices vary by stage and tuner. Check our directory to compare rates from professionals near you.
Should I get a tuning box or an ECU remap?
ECU remapping (modifying the engine control unit map) delivers better results and integration than a plug-in tuning box. It's customized for each engine.
How do I find a tuner for my BMW 1M?
Use the ChiptuneMAP directory to find a tuner near you. Compare prices, services and specialties.

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