BMW X3 3.5D Stage 1: 313→360hp | DMS Tuned

BMW X3 3.5D Stage 1: 313→360hp

BMW X3 3.5D Stage 1: 313hp → 360hp, 630→700Nm. Validated DMS calibration, proven on our dyno — not an off-the-shelf file. From €450. Athens + remote. DMS…

BMW X3 Stage 1: 313 hp → 360 hp

Factory output for the BMW X3 3.5D is 313 hp and 630 Nm. A Stage 1 remap targets 360 hp and 700 Nm — 47 hp (+15%) and 70 Nm (+11%).

Those are the figures we work to on this engine. They are a starting point, not a promise: the number we hand back is the one your car makes on our dyno, measured before and after on the same day, in the same conditions.

Where the 70 Nm shows up

On a diesel the useful change is torque, not peak power. Going from 630 Nm to 700 Nm fills in the mid-range, which is where a BMW X3 actually spends its time — pulling from 1,800 to 3,000 rpm in a high gear, overtaking without dropping two gears, towing or carrying weight without the engine falling on its face.

Peak power moves too, 313 hp to 360 hp, but you will feel the 70 Nm far more often than the 47 hp.

What Stage 1 involves on a BMW X3

We read the ECU, log the car as it stands, and put it on the dyno to confirm the 313 hp baseline — a tired or faulty engine gets diagnosed before it gets mapped, not after.

The calibration is written for your car, not pulled from a file library. We adjust fuelling, ignition timing, injection timing and boost, then re-run the dyno to verify the 360 hp and 700 Nm figure and check knock, lambda and temperatures under load.

Turnaround is same-day for most cars. Stock file is archived, so the car can go back to standard whenever you want.

BMW X3 remap price and booking

Stage 1 for the BMW X3 3.5D starts at €450, including the dyno runs before and after and the stock-file archive.

We work from Leoforos Karamanli 127, Artemida 19016, east of Athens, and tune remotely across Europe where the ECU allows it. WhatsApp +30 697 728 8810 with your registration for a straight answer on your car.

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