A8 Quattro Sedan V8-4.2L (BVJ) (2008)
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Compression Check: Specifications
Compression Pressure
Engine oil temperature at least 30° C
Battery voltage at least 12.5 V
New ............................................................................................................................................................................................. 10.0 to 14.0 bar pressure
Wear limit ................................................................................................................................................................................................. 9.0 bar pressure
Maximum difference between cylinders ................................................................................................................................................... 3.0 bar pressure