Performance Chip Tuning VW Passat B5 (until 2005)
14 engines · +12 to +23 hp
Volkswagen Passat B5: 14 engines — 8 gas and 6 diesel. Gains run from +12 to +23 hp, with up to +37 Nm more torque. GAN GA+ from 189 EUR.
All Volkswagen Passat B5 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 · 6 engines | ||||
| 1.9 TDI131 hp / 285 Nm | +16 hp+34 Nm |
GA — 189 EUR · 147 hp GA+ — 189 EUR · 147 hp |
Select → | |
| 1.9 TDI131 hp / 310 Nm | +16 hp+37 Nm |
GA — 189 EUR · 147 hp GA+ — 189 EUR · 147 hp |
Select → | |
| 2.0 TDI PD131 hp / 310 Nm | +16 hp+37 Nm |
GA — 189 EUR · 147 hp GA+ — 189 EUR · 147 hp |
Select → | |
| 1.9 TDI116 hp / 285 Nm | +14 hp+34 Nm |
GA — 189 EUR · 130 hp GA+ — 189 EUR · 130 hp |
Select → | |
| 1.9 TDI116 hp / 310 Nm | +14 hp+37 Nm |
GA — 189 EUR · 130 hp GA+ — 189 EUR · 130 hp |
Select → | |
| 1.9 TDI101 hp / 250 Nm | +12 hp+30 Nm |
GA — 189 EUR · 113 hp GA+ — 189 EUR · 113 hp |
Select → | |
| Gasoline · 8 engines | ||||
| 2.8i193 hp / 270 Nm | +23 hp+32 Nm |
GA — 189 EUR · 216 hp GA+ — 189 EUR · 216 hp |
Select → | |
| 4.0i275 hp / 370 Nm | +22 hp+30 Nm |
GA — 199 EUR · 297 hp GA+ — 199 EUR · 297 hp |
Select → | |
| 1.8T170 hp / 210 Nm | +20 hp+25 Nm |
GA — 189 EUR · 190 hp GA+ — 189 EUR · 190 hp |
Select → | |
| 1.8T150 hp / 220 Nm | +18 hp+26 Nm |
GA — 189 EUR · 168 hp GA+ — 189 EUR · 168 hp |
Select → | |
| 2.3i150 hp / 220 Nm | +18 hp+26 Nm |
GA — 189 EUR · 168 hp GA+ — 189 EUR · 168 hp |
Select → | |
| 2.0i130 hp / 195 Nm | +16 hp+23 Nm |
GA — 189 EUR · 146 hp GA+ — 189 EUR · 146 hp |
Select → | |
| 1.8i125 hp / 170 Nm | +15 hp+20 Nm |
GA — 189 EUR · 140 hp GA+ — 189 EUR · 140 hp |
Select → | |
| 1.6i101 hp / 145 Nm | +12 hp+17 Nm |
GA — 189 EUR · 113 hp GA+ — 189 EUR · 113 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?
The badge alone isn’t enough: in this generation, the same engine came with different horsepower ratings, each with its own calibration. Check the horsepower in your owner’s manual or vehicle documents and find the matching row.
Same badge, different factory power outputs in this generation:
Volkswagen Passat B5 tune: what changes
More power and torque with no ECU flash and no new parts – the module only adjusts the engine sensor signals. Your factory warranty is preserved: the ECU software is never changed, 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
- +23 hpbest in this generation
2.8i 193 hp → 216 hp. The other engines gain +12 hp and up; check the table for each one.
- +37 Nmfor diesels
Diesels gain mostly torque: +30 to +37 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.
What makes the Volkswagen Passat B5 special
VW Passat B5 tune: the pump-injector 1.9 TDI and the U.S. engines
In the U.S. the Passat B5 came mainly with the 1.8T or the 2.8 V6, not the full European range, so the pump-injector 1.9 TDI below is a European engine. The facelifted pump-injector 1.9 TDI at 130 hp makes 285 Nm, or 310 Nm with the six-speed manual. Every 1.9 TDI takes the GAN GA+, including the pump-injector 1.9 TDI at 101 hp, a turbodiesel.
B5 or B5.5: which engines belong to the facelift
The B5 (Typ 3B) was built from August 1996 to September 2000. For a Passat B5.5 tuner, the facelift (Typ 3BG, which VW calls the Passat GP) ran from October 2000 to February 2005. The facelift retired the 1.8 at 125 hp, and the 2.3 VR5 at 150 hp gave way to a 170 hp VR5 20V. The 2.0 at 130 hp and the 4.0 W8 at 275 hp arrived later, with W8 production running from 2001 to 2004.
The 1.8T at 150 hp is a turbo gas engine, and it was offered throughout. The U.S. 1.8T is rated at 150 hp, and at 170 hp on B5.5 cars; the catalog has a 1.8T row at each figure. The 2.8 V6 at 193 hp and the W8 are naturally aspirated and take the GAN GA+. The U.S. 2.8 V6 is rated at 190 hp, so the catalog's 193 hp row is the closest match.
Volkswagen Passat B5 tuning FAQ
How much power does a Passat B5 1.9 TDI 130 performance chip add?
With the GAN GA+, the 1.9 TDI at 130 hp, listed in the catalog at 131 hp, reaches 147 hp. The GAN GA+ is rated at up to 12% more power, and those are the stated gains for the engine type, not a dyno reading from your car.
Which GAN performance chip fits the Passat B5 1.8T?
The 1.8T at 150 hp takes the GAN GA+. Oil sludge can form in this turbo engine, and in the worst case it clogs the oil pickup. Check the oil-change history before you add power, since extended intervals raise the sludge risk.
What wears on the Passat B5's pump-injector 1.9 TDI?
Pump-injector units work at around 2,000 bar, so the nozzles and pump-injector elements can wear. Camshaft lobes and roller rockers can wear too, especially at high mileage.
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.