BMW X5 4.8i 355 hp — Stage 1 file (+25 hp)
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Stage 1 file for BMW X5 4.8i 355 hp
Target +0 hp. Custom development for your engine.
Chip tuning for BMW X5 4.8i 355 hp ECU
BMW X5 (2007 - E70) 4.8i 355 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 355 to 380 hp (+25 hp, +7%) and torque from 475 to 500 Nm (+25 Nm). ECU — Bosch ME9.2. Flashing method: OBD or Bench depending on the unit's protection. A petrol engine built in 2007 — the era before widespread firmware encryption, OBD flash without complications.
M GmbH is BMW's performance division, building M engines since 1972. Third-party flash platforms are an industry of their own for the BMW community.
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.
Frequently asked questions
How much horsepower does Stage 1 add for the BMW X5 4.8i 355 hp?
Stage 1 for the BMW X5 4.8i 355 hp adds +25 hp — power increases from 355 to 380 hp (+7%). Torque rises from 475 to 500 Nm (+25 Nm).
What does a Stage 1 remap of the BMW X5 4.8i 355 hp include?
Stage 1 chip tuning of the BMW X5 is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +25 hp with no hardware changes.
What is the Stage 1 potential of the BMW X5 4.8i 355 hp?
On the top-spec BMW X5 4.8i 355 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 X5?
Stage 2 for the BMW X5 4.8i 355 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 ECU is fitted to the BMW X5 4.8i 355 hp?
The BMW X5 4.8i 355 hp ECU is the Bosch ME9.2. Production versions support OBD access; locked variants require Bench (BDM/JTAG).
What happens to the BMW X5 warranty after chip tuning?
The factory warranty of the BMW X5 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 X5 take?
On the BMW X5 4.8i 355 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 X5?
Yes, the original ECU firmware of the BMW X5 4.8i 355 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 X5?
Stage 1 for the BMW X5 4.8i 355 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.