M35i - 300ch Tuning
BMW X1 — Detailed power and torque gains by stage.
Gains by stage(4)
Power
300 hp
Torque
400 Nm
essence
Power
300→345ch
+45 ch
+15%
Torque
400→470Nm
+70 Nm
+18%
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Everything about M35i - 300ch tuning
Tuning the M35i - 300ch found in the BMW X1 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 X1 M35i - 300ch, tuning delivers up to +80 hp and +120 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 300 → 345 hp | 400 → 470 Nm | — |
| Stage 2 | 300 → 380 hp | 400 → 520 Nm | — |
| E85 Flexfuel | 300 → 300 hp | 400 → 400 Nm | — |
| E85+ | 300 → 345 hp | 400 → 470 Nm | — |
Frequently asked questions
What gains can I expect from tuning the M35i - 300ch?
Tuning the M35i - 300ch (BMW X1) 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 M35i - 300ch?
Yes, the M35i - 300ch 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 X1 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 X1?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.