BMW M67 User Manual

DI Diesel Engines M57/M67 - Common Rail Sec. 2 P.19
Course contents/Background material
M67-specific features
• Chain drive 1: From crankshaft to inlet camshaft, bank 1
(cyls. 1 - 4)
• Chain drive 2: From crankshaft to inlet camshaft, bank 2
(cyls. 5 - 8)
• Drive of camshafts with respect to each other by means of
spur-toothed gearwheels
• Common rail high pressure pump driven by gearwheels for
engine speed adaptation of inlet camshaft, bank 2
• Two chain tensioners mounted in cylinder head from outside
E1
1 A
2
3
5
1 - Camshaft
2 - Chain tensioner
3 - Tensioning rail
4 - Common rail high pressure pump
5 - Crankshaft
6 - Oil pump
Fig. 25: Chain drive - M67:
© BMW AG, Service Training
1
E2
2 A
4
6
KT-3712

BMW M67 Specifications

General

Configuration	V8
Compression Ratio	18.0:1
Fuel Type	Diesel
Valvetrain	DOHC, 4 valves per cylinder
Engine Type	Diesel
Fuel System	Direct injection
Turbocharger	Twin-turbo
Cylinder Head Material	Aluminium
Applications	BMW 7 Series