Stage pricing for the F85
Bigger fueling, often a hybrid or Phantom turbo. Per-car.
Build this stage Stage 3 methodologyBefore every maker had a 500-hp SUV, the X5 M was the one that proved the idea could be more than a gimmick. The F85 (2015–2018) ran the S63 4.4-liter twin-turbo V8 — 567 hp and 553 lb-ft, the most powerful engine BMW had ever put in an all-wheel-drive car at the time — and it hauled a two-and-a-half-ton SUV to 60 in the low fours.
It's a genuine M product, not an appearance package: the S63 here is the same engine family as the M5 and M8, so the headroom is real and the aftermarket is mature. Even close to stock these put down around 535 wheel horsepower; a calibration and the right supporting parts build from there.
A used F85 is bought on history — the S63 is a strong but maintenance-hungry hot-vee V8, so a proper inspection beats a low odometer every time. Sorted, it's an enormous amount of capability for used-SUV money: the brute that made the super-SUV a category.
Parts that fit the F85
DR Forged wheels for the F85
Custom, made-to-order forged wheels — built to your car's spec, so any of them fits the F85. Pick the look; we build the fitment.
Upcoming events
Cars & Coffee Delray Beach
Cars & Coffee Miami — Jungle Island Father's Day
Supercar Sundays Florida — Father's Day Car Show
Set the F85 as your garage vehicle and the rest of the store filters to what fits it.
Set vehicleBefore 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.