Best Codings for the M3 (F80 & G80)

The M3 gets the universal codings plus a handful of M-specific ones — track displays, gauges and the odd party trick. Remember the two cars sit in different eras: the F80 codes like an F-chassis car, the G80 like a software-gated G-chassis car. And coding is not tuning — it won't add power. Here's what's worth doing on an M3.

3GBy the 3 Series Guy team·Updated May 2026·9 min read

F80 vs G80 — different eras

The F80 (2014–2018) behaves like its F-chassis siblings: head-unit-dependent features (CIC/NBT/NBT Evo), mature and well-documented — see the F-chassis codings. The G80 (2021–on) behaves like the G-chassis cars: highly digital, with some features software-gated and coverage varying by build/iDrive version — see the G-chassis codings. This list covers both; availability depends on your exact car.

The Best M3 Codings

M-specific first, then the universal wins.

M View / Track Displays M-specific

Enable or expand the M-specific iDrive views — lap timer, G-force meter, tyre and oil temps, power/torque — for track days and spirited drives. The headline M coding, richer on the digital G80.

Hidden Sport Gauges (Power & Torque) Display

Unlock the digital power, torque and oil-temp readouts — a signature unlock on the F80 via the hidden iDrive menu, and an expanded set on the G80 cluster.

Exhaust Flap Behaviour Sound · legality

On some M cars the exhaust flap behaviour can be influenced via coding for a louder default. Caveat: it can breach noise regulations and annoy neighbours — and isn't possible on every setup. Know your local noise law.

M Drive / Setup Quick Access M-specific

Tweak how the M buttons and M Setup menus behave so your favourite drive configuration is quicker to reach. A small but satisfying M personalisation.

Folding Mirrors on Lock Convenience

The universal first coding — fold on lock, unfold on unlock. Works on both F80 and G80 and feels appropriately premium on an M car.

Auto Start-Stop Off by Default Annoyance gone

Make the M3 remember start-stop is off instead of nagging every drive — as universally wanted on the M cars as on every other BMW.

Digital Speed Readout Display

Add a precise numeric speed display in the cluster or head-up display — useful when you're making the most of the M3's performance.

Skip the Legal Disclaimer Screen Annoyance gone

Stop tapping "I agree" at every startup — a daily papercut on both generations, gone.

Remote Windows (Comfort Open/Close) Convenience

Vent the cabin from the fob before a summer drive. A small luxury that works across both M3 generations where comfort access is fitted.

Mirror Dip on Reverse Convenience

Dip the passenger mirror on reverse to protect those expensive wheels when parking near a kerb, then return to normal.

Seatbelt Chime Softened Annoyance gone

Adjust the seatbelt reminder for short, slow moves (e.g. shuffling in the paddock). It's a safety feature, so keep it reasonable.

DRL / Lighting Behaviour Lighting · legality

Adjust DRL brightness or welcome-light behaviour for the look. Lighting changes may be road-illegal where you live — verify before changing.

Video in Motion Media · legality

Allow media playback while moving. Illegal to use while driving in most places and a distraction risk — many enable it only for a passenger. Know your local law.

Coding isn't tuning — and mind the noise/legality flags

None of these add power: that's tuning (S58) or S55 tuning, a separate topic. And take care with exhaust-flap, video-in-motion and lighting codings — they can breach noise or road-traffic law and affect safety. Check your local rules, confirm availability for your exact car in the app, and remember every coding is reversible.

How to Do These

Same safe routine, every time.

Connect a supported adapter, open the module, note the original value, change one setting, code it, test — one at a time, stable voltage. Full method in how to code safely; cross-model favourites in the 15 best mods. For the M cars themselves, see the F80 M3 hub and G80 M3 hub — and the tuning guides if you're after power.

FAQ

Can BimmerCode make my M3 faster?

No — coding changes features and displays, not power. For more power on an M3 you need tuning: the S58 (G80) or S55 (F80), which is a completely separate tool and topic. See our tuning guides for that.

What's the best M-specific coding?

The expanded M View / track displays — lap timer, G-force, tyre and oil temps — are the standout, especially on the digital G80. The hidden power/torque sport gauges are the F80 favourite. Both are pure M-car wins with no downside.

Can I make the exhaust louder by coding?

On some M cars you can influence the exhaust flap behaviour for a louder default, but it isn't possible on every setup, and it can breach local noise regulations. Treat it with caution, and check the law where you live before doing it.

Do F80 and G80 code the same way?

Broadly the process is identical, but availability differs: the F80 behaves like an F-chassis car (head-unit-dependent), while the G80 is more software-gated like the G-chassis cars. Check your exact car in the app — and see our F-chassis and G-chassis coding lists.

Are any of these illegal?

Video-in-motion, some lighting changes, and a louder exhaust-flap setting can all run into local laws (road-traffic or noise). They're flagged. The rest are personalisation. Always verify your local rules.

The Bottom Line

On an M3, lead with the M View / track displays and the hidden sport gauges, then add folding mirrors, start-stop off and the convenience tweaks. Approach exhaust-flap, video and lighting codings with the legality flags in mind, remember coding isn't tuning, and follow the safe routine. More on the BimmerCode hub, the F80 and G80 hubs.