G-Chassis · G06

G06 Tuning

BMW's X6 xDrive40i, X6 M50i, 2020–2026. Powered by the B58/N63TU engine family.

Stage pricing for the G06

Stage 1
Tune
$495

Where every build starts. Calibration only.

Build this stage Stage 1 methodology
Stage 2
Tune + Supporting Hardware
$2,615

Cooling, downpipe, fueling — the ceiling worth chasing on factory turbos.

Build this stage Stage 2 methodology
Stage 3
Tune + Full Hardware Path
$4,255

Bigger fueling, often a hybrid or Phantom turbo. Per-car.

Build this stage Stage 3 methodology

The G06 X6 is the G05 X5 with the coupe-SUV roofline — same platform, same engines, less cargo, more attitude. The xDrive40i runs the B58 (around 382 hp), the M50i the N63 V8 (523 hp), both tuning the way they do in the X5 (full story on the G05 page; B58 on G20, N63 on G11).

So the build is the X5's, in the body for people who want the style over the third-row practicality. The honest notes are the same engine-family items and the SUV mass to plan around.

The G06 is the X6 truth: a coupe-SUV that's a real platform underneath the styling.

Parts that fit the G06

DR Forged wheels for the G06

Custom, made-to-order forged wheels — built to your car's spec, so any of them fits the G06. Pick the look; we build the fitment.

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Tech essays for the G06

Upcoming events

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Set the G06 as your garage vehicle and the rest of the store filters to what fits it.

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Before you tune.

Will my dealer flag the tune at service?

The bootmod3 flash is non-destructive and reversible. Revert to stock before a dealer appointment and the ECU is back to factory in a few minutes; re-flash after service. We document the revert step in writing so the next person opening your file knows what's there.

Is it safe for the engine?

Every tune we ship has been datalogged on the car it was written for. We look at knock counts, fuel trims, boost behavior, and intake temps before we sign off. If the numbers don't sit right, we revise. That review and the revision policy are built into what the tune costs.

How long until I have a working tune?

Most calibrations turn around in a few days. We log, review, and revise before anything ships — we would rather get it right than get it out fast.

Can I go back to stock?

Yes. bootmod3 supports a stock revert that returns the ECU to factory calibration in under five minutes. The flash is non-destructive — nothing in the BMW DME is permanently modified. Most owners revert before trade-in.