System Specifications

Technical data for BFD engine (Cayenne)
Engine design
Type 6-cylinder, four-stroke Otto engine, 15° V-engine
Crankcase Grey cast iron, single-part
Crankshaft Forged steel
Crankshaft bearings 7 binary bearings, dia. 60 mm
Connecting rods Forged, l = 164 mm
Con-rod bearings Binary bearings, dia. 54 mm
Pistons Cast aluminum
Piston pins Floating
Piston rings 2 compression rings, 1 oil scraper ring
Cylinders Grey cast iron running surface
Cylinder head Single-part light alloy head
Arrangement of valves per cylinder 2 parallel overhead intake
valves, 2 parallel overhead exhaust valves











Engine carrier, cylinder row 1 - 4 M10 x 45 65 Nm
Bracket for torque support M6 x 40 13 Nm
Bracket for torque support M8 x 45 23 Nm





Inner bearing seat

Tightening Sequence, Outer Bearing Seat:

Outer bearing seat

Tightening Sequence, Outer Cross Bolt Connection:

Then screw on the outer cross bolt connection (M8 x 70) in the sequence shown Tightening torque 17 ft. lbs..

Tighten the four hexagon socket bolts on the clutch side (M8 x 35) Tightening torque 17 ft. lbs..