Gains by stage(2)
Power
659 hp
Torque
1015 Nm
électrique
Power
659→700ch
+41 ch
+6%
Torque
1015→1150Nm
+135 Nm
+13%
OriginalTuned
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Everything about M70 - 659ch tuning
Tuning the M70 - 659ch found in the BMW i7 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 i7 M70 - 659ch, tuning delivers up to +111 hp and +255 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 659 → 700 hp | 1015 → 1150 Nm | — |
| Stage 2 | 659 → 770 hp | 1015 → 1270 Nm | — |
Frequently asked questions
What gains can I expect from tuning the M70 - 659ch?
Tuning the M70 - 659ch (BMW i7) 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 M70 - 659ch?
Yes, the M70 - 659ch 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 i7 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 i7?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.