30i - 231ch Tuning
BMW 3-serie — Detailed power and torque gains by stage.
Gains by stage(4)
Power
231 hp
Torque
300 Nm
essence
Power
231→250ch
+19 ch
+8%
Torque
300→325Nm
+25 Nm
+8%
OriginalTuned
Find a tuner
Compare certified professionals near you.
Everything about 30i - 231ch tuning
Tuning the 30i - 231ch found in the BMW 3-serie 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 3-serie 30i - 231ch, tuning delivers up to +49 hp and +60 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 231 → 250 hp | 300 → 325 Nm | — |
| Stage 2 | 231 → 280 hp | 300 → 360 Nm | — |
| E85 Flexfuel | 231 → 231 hp | 300 → 300 Nm | — |
| E85+ | 231 → 250 hp | 300 → 325 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 30i - 231ch?
Tuning the 30i - 231ch (BMW 3-serie) 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 30i - 231ch?
Yes, the 30i - 231ch is known for its reliability when tuned, especially at Stage 1. It's essential to use a certified tuner with maps tailored to your engine.
How much does BMW 3-serie 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 3-serie?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.