BMW X6 M All E71 - 4.4 Turbo 555hp
Stock
555 hp
680 Nm
Stage 1
610 hp
800 Nm
Stage 2
630 hp
840 Nm
Engine codeS63B44
FuelPetrol
Displacement4395 cm³
Compression10.00
Bore × stroke89.00 × 88.30 mm
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