The 1.2-liter Opel X12XE or LW4 engine was assembled at a plant in Austria from 1998 to 2000 and installed on basic modifications of such popular models as Astra G or Corsa B. The unit belonged to the GM Family 0 engine series and, during the transition to Euro 4, changed the index to Z12XE.
X10 family: X12XE, X14XE, X16XEL, X16SZR, X18XE, X18XE1.
Specifications
| Production years | 1998-2000 |
| Displacement, cc | 1199 |
| Fuel system | distributed injection |
| Power output, hp | 65 |
| Torque output, Nm | 110 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 72.5 |
| Piston stroke, mm | 72.6 |
| Compression ratio | 10.1 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 3.5 |
| Fuel type | petrol |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Opel Astra 1999) — city — highway — combined |
8.0 5.0 6.1 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 92 |
The engine was installed on:
- Opel Astra G (T98) in 1998 – 2000;
- Opel Corsa B (S93) in 1998 – 2000.
Disadvantages of the X12XE engine
- This is a reliable unit, but it does not tolerate low-quality oil and long replacement intervals.
- Therefore, on specialized forums they complain about coking of the lubricant and sticking of hydraulic compensators.
- The oil pump is small and its performance often drops after a mileage of 200,000 km.
- The timing chain does not have a long service life and often requires replacement before 100,000 km.
- The weak points of this power unit also include the thermostat and the ignition module.
Frequently asked questions about the Opel X12XE
How much power does the Opel X12XE make?
The Opel X12XE develops 65 hp and 110 Nm of torque.
How much oil does the Opel X12XE take and which one?
Engine oil capacity: 3.5 liters. Recommended oil: 5W-30.
Does the Opel X12XE have a timing belt or chain?
The Opel X12XE uses a timing chain.
Is the Opel X12XE turbocharged?
No, the Opel X12XE is naturally aspirated.
Does the Opel X12XE need valve clearance adjustment?
No, the Opel X12XE has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Opel X12XE last?
The typical lifespan of the Opel X12XE is ~300 000 km with proper maintenance.
What is the fuel consumption of the Opel X12XE?
Opel Astra 1999: city 8.0, highway 5.0, combined 6.1 L/100 km.
What cars was the Opel X12XE installed on?
Opel Astra G (T98) in 1998 - 2000; Opel Corsa B (S93) in 1998 - 2000.
What are the common problems of the Opel X12XE?
This is a reliable unit, but it does not tolerate low-quality oil and long replacement intervals. Therefore, on specialized forums they complain about coking of the lubricant and sticking of hydraulic compensators. All known problems.





