BMW 5 GT-serie 50i 450 hp — Stage 1 file (+60 hp)
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Stage 1 file for BMW 5 GT-serie 50i 450 hp
Target +0 hp. Custom development for your engine.
Chip tuning for BMW 5 GT-serie 50i 450 hp ECU
BMW 5 GT-serie (2009 - F07) 50i 450 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 450 to 510 hp (+60 hp, +13%) and torque from 650 to 750 Nm (+100 Nm). This engine ships with different ECU variants: Bosch MEVD17.2.8, Bosch MEVD17.2.H, Bosch MG1CS003. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. The ZF 8HPxx TCU is calibrated with a separate file — torque limiter and shift maps for Stage 1. In the CHIPOK database: 4 configurations · 4 ECU variants. A petrol engine built in 2009 — the era before widespread firmware encryption, OBD flash without complications.
The BMW Group also includes Mini, Rolls-Royce and BMW Motorrad. M GmbH is BMW's performance division, building high-output top engines since 1972.
The BMW community is renowned for active tuning and a large pool of available Stage files. Stage 1 on BMW usually stays within the standard timeframe, with no particular difficulty on the standard models. Top BMW engines confidently reach Stage 2 with a downpipe + intake + intercooler. A well-known base once hardware is added (downpipe + intake + intercooler). Bench reading is the standard procedure for top engines in modern models. Top BMW engines sit at the power ceiling, and the gain is significant.
Mini and FWD compacts use a different TCU platform with its own tooling base. BMW's main gearbox is a modern multi-speed automatic. The TCU rarely needs recalibration up to Stage 1+, as the torque limiter usually copes with the Nm gain.
Frequently asked questions
How many horsepower does the BMW 5 GT-serie 50i 450 hp reach after a remap?
Stage 1 chip tuning on the BMW 5 GT-serie 50i 450 hp boosts engine output by 60 hp: from 450 to 510 hp. Torque rises from 650 to 750 Nm (+100 Nm).
What changes in the BMW 5 GT-serie ECU after Stage 1?
Stage 1 chip tuning of the BMW 5 GT-serie is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +60 hp with no hardware changes.
What is the Stage 1 potential of the BMW 5 GT-serie 50i 450 hp?
On the top-spec BMW 5 GT-serie 50i 450 hp engine, Stage 1 is the starting point before Stage 2 with a downpipe, intake and a larger intercooler. The mass-market factory calibration leaves substantial headroom for an aggressive software tune.
How much does Stage 2 add on the BMW 5 GT-serie?
Stage 2 for the BMW 5 GT-serie 50i 450 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.
Which ECUs are found on the BMW 5 GT-serie 50i 450 hp?
The BMW 5 GT-serie 50i 450 hp was fitted with different ECUs depending on the year and trim: Bosch MEVD17.2.8, Bosch MEVD17.2.H, Bosch MG1CS003. The write method (OBD, Bench, Boot) is determined when the unit is read.
Is the ZF 8HPxx TCU calibrated together with Stage 1?
Yes, on the BMW 5 GT-serie 50i 450 hp the ZF 8HPxx TCU is calibrated with a separate file. The torque limit, shift maps, launch control rpm and clutch torque map are changed. The factory torque limiter in the TCU is usually below what the engine can deliver after Stage 1.
What happens to the BMW 5 GT-serie warranty after chip tuning?
The factory warranty of the BMW 5 GT-serie does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the BMW 5 GT-serie take?
On the BMW 5 GT-serie 50i 450 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the BMW 5 GT-serie?
Yes, the original ECU firmware of the BMW 5 GT-serie 50i 450 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the BMW 5 GT-serie?
Stage 1 for the BMW 5 GT-serie 50i 450 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.