BMW 2-Active Tourer 25i 2.0 231 hp — Stage 1 file (+42 hp)
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Stage 1 file for BMW 2-Active Tourer 25i 2.0 231 hp
Target +0 hp. Custom development for your engine.
Chip tuning for BMW 2-Active Tourer 25i 2.0 231 hp ECU
BMW 2-Active Tourer (2014 - F45) 25i 2.0 231 hp — premium petrol engine of the passenger segment of the BMW Group (Mini, Rolls-Royce, BMW Motorrad) group (Германия, 1916). Stage 1 chip tuning raises power from 231 to 273 hp (+42 hp, +18%) and torque from 350 to 460 Nm (+110 Nm). ECU — Bosch MG1CS003. Flashing method: OBD or Bench depending on the unit's protection. The 2014 generation — mid-generation petrol ECUs (MEDC17/MEVD17/Simos PCR), OBD flash on production revisions.
M GmbH is BMW's performance division, building M engines since 1972. The factory calibration on BMW petrol engines is conservative, leaving headroom for Stage 1 without hardware changes. Mid-generation petrol models use standard OBD flash. Third-party flash platforms are an industry of their own for the BMW community.
Stage 1 on BMW usually stays within the standard timeframe, with no particular difficulty on the standard models. On older and mid-generation BMWs, Stage 1 is flashed over OBD without Bench. The BMW community is renowned for active tuning and a large pool of available Stage files. The hardware headroom allows a confident move to Stage 1 without changing the turbo. High-output engines deliver a solid gain with Stage 1 on stock hardware. The BMW premium segment is a high-output platform with Stage 2 potential.
Frequently asked questions
How much does the power of the BMW 2-Active Tourer 25i 2.0 231 hp increase after Stage 1?
The Stage 1 gain for the BMW 2-Active Tourer 25i 2.0 231 hp is 42 hp (+18%) over the stock 231 hp, for a total of 273 hp. Torque rises from 350 to 460 Nm (+110 Nm).
What is Stage 1 chip tuning for the BMW 2-Active Tourer?
Stage 1 on the BMW 2-Active Tourer 25i 2.0 231 hp is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +42 hp with no hardware changes.
What does Stage 1 give on the powerful BMW 2-Active Tourer 25i 2.0 231 hp?
The high-output BMW 2-Active Tourer 25i 2.0 231 hp has a conservative factory calibration aimed at the mass market. Stage 1 unlocks the engine's real potential while turbo and injector life are preserved.
How does Stage 2 differ from Stage 1 on the BMW 2-Active Tourer 25i 2.0 231 hp?
Stage 2 on the BMW 2-Active Tourer 25i 2.0 231 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
What control unit does the BMW 2-Active Tourer 25i 2.0 231 hp run?
The control unit of the BMW 2-Active Tourer 25i 2.0 231 hp is the Bosch MG1CS003. Before flashing, the engineer identifies the exact revision and selects the write method.
Does Stage 1 void the warranty on the BMW 2-Active Tourer?
Stage 1 on the BMW 2-Active Tourer voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.
How quickly is chip tuning of the BMW 2-Active Tourer 25i 2.0 231 hp done?
The full remap cycle for the BMW 2-Active Tourer — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.
Can you return to stock after Stage 1 on the BMW 2-Active Tourer?
The original BMW 2-Active Tourer ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.
How much does Stage 1 cost for the BMW 2-Active Tourer 25i 2.0 231 hp?
The cost of Stage 1 for the BMW 2-Active Tourer 25i 2.0 231 hp is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.