The 1.2-liter Opel B12XEL (LWD) was produced from 2014 to 2018 for the base versions of the Adam and Corsa E. It is a simple 69-hp engine; the version for the stricter Euro 6d-TEMP standard is called D12XEL.
B10 family: B12XEL, B14XEL, B14XER, B16XER.
Specifications
| Production years | 2014-2018 |
| Displacement, cc | 1229 |
| Fuel system | distributed injection |
| Power output, hp | 69 |
| Torque output, Nm | 115 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 73.4 |
| Piston stroke, mm | 72.6 |
| Compression ratio | 10.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | DCVCP |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.0 |
| Fuel type | petrol |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Opel Adam 2015) — city — highway — combined |
7.1 4.2 5.3 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 100 |
The engine was installed on:
- Opel Adam A (M13) in 2014 – 2018;
- Opel Corsa E (X15) in 2014 – 2018.
Disadvantages of the Opel B12XEL engine
- A simple engine with a cast-iron block and a long service life;
- Most problems are oil leaks from gaskets and seals;
- Cracked hoses and a torn crankcase ventilation valve membrane cause a lot of trouble;
- The single ignition coil module often fails before 80,000-100,000 km;
- The purge valve and crankshaft seals are also weak points.
Frequently asked questions about the Opel B12XEL
How much power does the Opel B12XEL make?
The Opel B12XEL develops 69 hp and 115 Nm of torque.
How much oil does the Opel B12XEL take and which one?
Engine oil capacity: 4.0 liters. Recommended oil: 5W-30.
Does the Opel B12XEL have a timing belt or chain?
The Opel B12XEL uses a timing chain.
Is the Opel B12XEL turbocharged?
No, the Opel B12XEL is naturally aspirated.
Does the Opel B12XEL need valve clearance adjustment?
No, the Opel B12XEL has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Opel B12XEL last?
The typical lifespan of the Opel B12XEL is ~300 000 km with proper maintenance.
What is the fuel consumption of the Opel B12XEL?
Opel Adam 2015: city 7.1, highway 4.2, combined 5.3 L/100 km.
What cars was the Opel B12XEL installed on?
Opel Adam A (M13) in 2014 - 2018; Opel Corsa E (X15) in 2014 - 2018.
What are the common problems of the Opel B12XEL?
A simple engine with a cast-iron block and a long service life. Most problems are oil leaks from gaskets and seals. All known problems.





