35i (N54) - 400ch Tuning
Alpina B3 S — Detailed power and torque gains by stage.
Gains by stage(4)
Power
400 hp
Torque
540 Nm
essence
Power
400→450ch
+50 ch
+13%
Torque
540→600Nm
+60 Nm
+11%
OriginalTuned
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Everything about 35i (N54) - 400ch tuning
Tuning the 35i (N54) - 400ch found in the Alpina B3 S 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 Alpina B3 S 35i (N54) - 400ch, tuning delivers up to +100 hp and +120 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 400 → 450 hp | 540 → 600 Nm | — |
| Stage 2 | 400 → 500 hp | 540 → 660 Nm | — |
| E85 Flexfuel | 400 → 400 hp | 540 → 540 Nm | — |
| E85+ | 400 → 450 hp | 540 → 600 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 35i (N54) - 400ch?
Tuning the 35i (N54) - 400ch (Alpina B3 S) 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 35i (N54) - 400ch?
Yes, the 35i (N54) - 400ch 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 Alpina B3 S 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 Alpina B3 S?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.