Cardan and Drive Shaft Specifications (BMW 7 Series E38)

Cardan shaft
Lubrication of the cardan shaft sliding clutch	Molycote Longtherm 2
Type//weight (g) of CV joint grease of the propeller shaft	Optimol//80
Bending moment of cardan joints with crosspiece, N*cm	20÷70
Preload of intermediate support along the vehicle direction, mm	2÷4
Bending angles of the cardan shaft ("+": the shaft is bent upwards, "-": the shaft is bent downwards)
Models 725tds with AT, 728i with AT
AT - shaft	-0°30'÷+0°30'
Intermediate support	-1°04'÷-0°04'
Shaft - main gear reducer	+1°04'÷+2°04'
Models 725tds with manual transmission
Manual transmission - shaft	-0°30'÷+0°30'
Intermediate support	-1°07'÷-0°07'
Shaft - main gear reducer	+1°06'÷+2°06'
728i models with manual transmission
Manual transmission - shaft	-0°27'÷+0°33'
Intermediate support	-1°09'÷-0°09'
Shaft - main gear reducer	+1°06'÷+2°06'
728iL models with AT
AT - shaft	-0°30'÷+0°30'
Intermediate support	-0°30'÷+0°30'
Shaft - main gear reducer	+0°30'÷+1°30'
Models 750i with AT, 740i (m60/2 engine), 735i (m62 engine) with manual transmission
AT - shaft	-0°29'÷+0°31'
Intermediate support	-1°14'÷-0°14'
Shaft - main gear reducer	+1°13'÷+2°13'
Models 750iL with AT, 740iL (m62 engine) with AT
AT - shaft	-0°29'÷+0°31'
Intermediate support	-0°45'÷+0°15'
Shaft - main gear reducer	+0°43'÷+1°43'
730i models (m60/1 engine) with AT
AT - shaft	-0°29'÷+0°31'
Intermediate support	-1°08'÷-0°08'
Shaft - main gear reducer	+1°07'÷+2°07'
Models 730iL (m60/1 engine) with AT
AT - shaft	-0°29'÷+0°31'
Intermediate support	-0°41'÷+0°19'
Shaft - main gear reducer	+0°40'÷+1°40'
730i models (m60/1 engine) with manual transmission
AT - shaft	-0°26'÷+0°43'
Intermediate support	-1°13'÷-0°13'
Shaft - main gear reducer	+1°09'÷+2°09'
Models 730iL (m60/1 engine) with manual transmission
AT - shaft	-0°29'÷+0°31'
Intermediate support	-0°42'÷+0°18'
Shaft - main gear reducer	+0°41'÷+1°41'
Models 740iL (m60/2 engine) with AT
AT - shaft	-0°29'÷+0°31'
Intermediate support	-0°44'÷+0°16'
Shaft - main gear reducer	+0°43'÷+1°43'
Models 735i (m62 engine) with AT
AT - shaft	-0°29'÷+0°31'
Intermediate support	-1°06'÷-0°06'
Shaft - main gear reducer	+1°06'÷+2°06'
Models 735iL (m62 engine) with AT
AT - shaft	-0°29'÷+0°31'
Intermediate support	-0°30'÷+0°30'
Shaft - main gear reducer	+0°29'÷+1°29'
740i models (m62 engine)
AT (manual transmission) - shaft	-0°29'÷+0°31'
Intermediate support	-1°10'÷-0°10'
Shaft - main gear reducer	+1°10'÷+2°10'

Rear axle gearbox
Gearbox type
Models with M52, M51 and M62 B35 engines	188K
Models with M62 B40, M57, M67 and M73 engines	220K
Main gear
Models 725tds	2.93//2.79 (since 05.1996.)
Models 725tds A	3.38
Models 728i, 728i A, 730i, 730i A	3.23
Models 735i, 735i A, 740i, 740i A	3.15
740i models (m62 engine), 740i A (m62 engine)	2.93
Models 750i A	2.81
The moment of friction forces of the bearing of the drive gear depending on the type of the main gear and the type of bearing, Nm
Brand K FAG	1.60÷3.36
Brand K SKF	1.40÷2.60
Brand K Timken	1.45÷2.65
Brand K Koyo	1.27÷2.65
Brand M FAG	1.58÷3.26
Brand M SKF	1.30÷2.50
Brand M Timken	1.25÷3.40
Brand M Koyo	1.23÷2.73
Brand G FAG	2.20÷5.19
Brand G SKF	2.00÷4.30
Brand G Timken	2.30÷5.16
Brand G Koyo	2.38÷4.76
Radial runout of the pinion flange, mm	no more than 0.07
The moment of friction forces of both differential box bearings depending on the type of rear axle gearbox and bearing brand, Nm
Brand K FAG	1.18÷2.62
Brand K SKF	1.20÷2.40
Brand K Timken	1.28÷2.60
Brand K Koyo	1.20÷2.62
Brand M FAG	1.10÷2.44
Brand M SKF	1.00÷2.00
Brand M Timken	0.70÷2.56
Brand M Koyo	1.4÷2.60
Brand G Timken	1.80÷3.80
Brand G Koyo	1.40÷3.40
Clearance between disc spring/compensation washer and axle gear, mm	0÷0.07

Drive shafts
Amount of grease for inner//outer CV joint, g	80//120

Tightening force of threaded connections, Nm
Flexible coupling to the cardan shaft and the flange of the transmission output shaft
M10 8.8	48
M10 10.9	64
M14	140
M12 8.8	81
M12 10.9	100
Universal joint with crosspiece to gearbox	60
The clamping ring of the retractable coupling of the cardan shaft after installation on the vehicle	10
Rear axle reducer to beam (front//back)	150//102
Crankcase cover
188K (M10 8.8//M10 10.9)	45//55
220K (M10x25//M10x75//M10x67)	90//110//130
Gearbox bearing side cover	10, then pull to an angle of 45°
Gearbox drain and filler plugs	65
Drive shaft to rear axle gearbox and output flange
Bolt M10 (cylindrical and Torx//with ratchet teeth)	83//96
Bolt M12 (with ratchet//straight teeth)	110//135
Black bolt with straight teeth (M8//M10)	64//100
Silver bolt with straight teeth (M8//M10)	52//80
Flange to the wheel drive shaft (M27//M24//M22)	300//250//200
Trailing arm suspension to rear axle beam	72
Guide arm to rear axle beam	60
Upper wishbone rear suspension to wheel bearing support	160
Upper wishbone to rear axle beam	110
Additional arm to the trailing arm and rear axle beam	127
Swing arm to rear axle beam (front//back)	60//130
Integral lever to front wheel bearing support	105
Threaded connection of the rocker arm, integral arm and wheel bearing support	236
Shock absorber to trailing arm/wheel bearing support/swing arm/transverse arm of rear suspension (tighten under normal load)	127
Shock absorber strut cylinder rod to upper shock absorber strut support (M10//M14)	24//27
Upper shock absorber strut support to body/rear axle beam	24

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Article verified: Polikarpov Saveliy

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БМВ E38: Cardan and drive shafts

General information about cardan and drive shafts
Removal and installation the cardan shaft and elastic coupling
Replacing the CV joint of the propeller shaft
Replacing the intermediate support of the propeller shaft
Removal and installation the rear axle gearbox

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