Performance Chip Tuning BMW 4 Series G22, G23, G26 (since 2020)
3 engines · +40 to +64 hp
BMW 4 Series G22, G23, G26: 3 engines — 2 gas and 1 diesel. Gains run from +40 to +64 hp, with up to +85 Nm more torque. GAN GTL from 249 EUR, GAN GT from 399 EUR.
All BMW 4 Series G22, G23, G26 engines: exact gains
STOCK output, output with GAN, gain and price for each module. Diesel and gasoline engines are listed separately.
| Engine | STOCK → with GAN | Gain | Tuners and prices | |
|---|---|---|---|---|
| Diesel · 1 engine | ||||
| 420d190 hp / 400 Nm | +40 hp+84 Nm |
GTL — 249 EUR · 224 hp GT — 399 EUR · 230 hp |
Select → | |
| Gasoline · 2 engines | ||||
| M440i (07/224->)374 hp / 500 Nm | +64 hp+85 Nm |
GTL — 279 EUR · 426 hp GT — 459 EUR · 438 hp |
Select → | |
| 430i245 hp / 400 Nm | +42 hp+68 Nm |
GTL — 249 EUR · 279 hp GT — 399 EUR · 287 hp |
Select → | |
Each engine gets its own performance chip: GAN GT / GTL or GAN GA / GA+. Prices are per performance chip and include the current discount.
Not sure which engine you have?
Find your engine by its horsepower – check your window sticker or decode your VIN. Each version has its own calibration.
BMW 4 Series G22, G23, G26 tune: what changes
The module plugs in between the sensors and the engine control unit (ECU) and adjusts their signals. It never rewrites your ECU software: your factory warranty is preserved, and the module can be removed at any time.
- Bluetoothswitch modes from your phone
- 18 mapsto fine-tune your engine
- 15 minutesplug-and-play install
- IP67water and dust protection
- +64 hpbest in this generation
M440i (07/224->) 374 hp → 438 hp. The other engines gain +40 hp and up; check the table for each one.
- +84 Nmfor diesels
Diesels gain mostly torque: +84 to +84 Nm for towing and hauling.
- GAN APPpower control via smartphone
Switch between SPORT, DYNAMIC, ECO and STOCK in the GAN app.
- 50 daystest drive
Enhanced performance or your money back, excluding shipping costs.
BMW 4 Series G22, G23, G26 tuning FAQ
Which tuner do I need for my BMW 4 Series G22, G23, G26?
Every engine in this generation is turbocharged, so you’ll want the GAN GT or GAN GTL. Find your engine in the table above – each row shows the tuner and the price.
Is a tuning module the same as a Stage 1 tune?
Not quite. Stage 1 usually means an ECU flash tune without replacing any parts. The tuning module also works without replacing parts, but it does not change the ECU software: it adjusts the sensor signals, comes off in about a minute, and the OFF button in the app restores the factory settings.