F13 Tuning
BMW's 640i Coupe, 650i Coupe, 2012–2018. Powered by the N55/N63 engine family.
Stage pricing for the F13
Cooling, downpipe, fueling — the ceiling worth chasing on factory turbos.
Build this stage Stage 2 methodologyBigger fueling, often a hybrid or Phantom turbo. Per-car.
Build this stage Stage 3 methodologyBefore the 8 Series took over, the F13 6 Series was BMW's grand-touring coupe — a big, elegant two-door built for distance, and now a serious amount of car for used money. The range covers the spread: the 640i runs the N55 six (320 hp), the 650i the N63 4.4 V8 (450 hp), and the M6 the S63 twin-turbo V8 making 560 hp — the same engine family as the F10 M5 of its era.
Each builds the way its engine does elsewhere. The N55 640i is the accessible tuner's GT; the 650i and M6 are V8 platforms with real headroom and the maintenance appetite a hot-vee V8 brings. The M6 in particular is essentially an F10 M5 in a sleeker, rarer suit — a 560-hp grand tourer that's now genuinely attainable used.
The honest notes are the V8s' upkeep and the reality that a big GT rewards a careful pre-purchase inspection over a low asking price. Sorted, the F13 is a lot of elegant, fast coupe for the money.
So the F13 is the grand tourer that came before the 8 — and across the N55, the N63, and the S63 M6, every version is a real platform.
Parts that fit the F13
DR Forged wheels for the F13
Custom, made-to-order forged wheels — built to your car's spec, so any of them fits the F13. 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 F13 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.