Verification conditions
The engine oil temperature must be at least 30°C.
The power supply must be correct.
Checking procedure
Remove ignition coils with output stages.
Unscrew the spark plugs with a spark plug wrench.
Check compression with a compression gauge and adapter.
At the end of the work, interrogate the fault memory of the engine control unit, delete all records of faults that may have arisen as a result of checks and repair work.
Note: After clearing the fault memory, an OBD code must be generated.
Compression value
| Engine code | New move. overpressure, bar | Overpressure limit, bar | Difference between cylinders overpressure, bar |
| BLR, BIX, BVY, BVX | 13,0-16.0 | 8,0 | Max. 3.0 |
| BLY, BVZ | 11,0-14,0 | 7,0 | Max. 3.0 |
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