Engine Specifications (BMW 7 Series E38 1994-2001: Power unit: Engine M60/1, M60/2 (petrol))

General information and technical data

The order of operation of the cylinders - see the Specifications for the Chapter Engine Electrical Systems.

M51 engine
Type	Diesel, 6-cylinder, in-line, OHC
Engine code	25 6T 1
Sales designation of the model, year of manufacture	725 tds, from 1996 to 2002
Bore//stroke, mm	80//82.8
Displacement, cm³	2499
Compression ratio	22:1
Power, kW@rpm	105@4600
Revolutions Х/Х, rpm±50
No additional consumers	770
With the included transfer and K/V	750
Maximum engine speed, rpm	5250 ± 50
Maximum torque Nm@rpm	280@2200
Compression value, atm.	over 20

Motors M52 B 20, M52TU B 20
Type	Petrol, 6-cylinder, in-line
Bore//stroke, mm	80//66
Displacement, cm³	1991
Compression ratio	11:01
Power, kW@rpm	110@5900 (240@5000) *
Maximum engine speed, rpm	6500
Maximum torque Nm@rpm	190@200 (for M52 B20)
Compression value, atm.	10 ÷ 11

* For engine M52TU B 20

Motors M52 B 25, M52TU B 25
Type	Petrol, 6-cylinder, in-line
Bore//stroke, mm	84//75
Displacement, cm³	2494
Compression ratio	10.5:1
Power, kW@rpm	125@5500*
Maximum engine speed, rpm	6500
Maximum torque Nm@rpm	245@3950*
Compression value, atm.	10 ÷ 11

* Data only for motor M52 B 25

Motors M52 B 28, M52TU B 28
Type	Petrol, 6-cylinder, in-line, DOHC
Engine code	28 6S 1
Sales designation of the model, year of manufacture	728i (728iL), from 1994 to 2001
Bore//stroke, mm	84//84
Displacement, cm³	2793
Compression ratio	10.2:1
Power, kW@rpm	142@5300*
Revolutions Х/Х, rpm±50
No additional consumers	750
With A/C enabled	780
With the included transfer and K/V	720
Maximum engine speed, rpm	6500 ± 50
Maximum torque Nm@rpm	280@3950
Compression value, atm.	10 ÷ 11

* Data only for motor M52 B 28

M57 engine (D 30)
Type	Diesel, 6-cylinder, in-line, DOHC, with fuel distribution line (Common Rail)
Sales designation of the model, year of manufacture	730d, from 1998 to 2001
Bore//stroke, mm	84//88
Displacement, cm³	2926
Compression ratio	18:01
Power, kW@rpm	135@4000
RPM X/X (under any conditions), rpm	750 ± 50
Maximum crankshaft speed, rpm
When the vehicle is stationary	4600 ± 100
While driving	4800 ± 100
Maximum torque Nm@rpm	410@2000 ÷ 3000

M60/1 engines (B 30) and M60/2 (B 40)
Type	Petrol, V-shaped, 8-cylinder, DOHC
Engine code	30 8 S1, 40 8 S1*
Trade designation of the model, year of manufacture
M60/1	730i (730iL), from 1994 to 1996
M60/2	740i (730iL), from 1994 to 1996
Angle between cylinder blocks, deg.	90
Cylinder diameter//piston stroke, mm
M60/1	84//67.6
M60/2	89//80
Cylinder volume, cm³
M60/1	2997
M60/2	3982
Compression ratio
M60/1	10.5:1
M60/2	10:1
Power, kW @ rpm	125@5500*
Revolutions Х/Х, rpm
No additional consumers	600 ± 50
With A/C enabled	750 ± 50
With K/V enabled and transmission	750 ± 50
Maximum engine speed, rpm	6500 ± 50
Compression value, atm.	12 ÷ 14

* Data for engine M60/1
** Data for M60/2 engine

M62 engines (B 35, B 44)
Type	Petrol, V-shaped, 8-cylinder, DOHC
Code designation (B 35, B 44)	35 8 S1//44 8 S1
Trade designation of the model, year of manufacture
M62 B 35	735i, since 1996
M62 B 44	740i, since 1996
Cylinder diameter//piston stroke, mm
M62 B 35	84//78.9
M62 B 44	92//82.7
Displacement (B 35//B 44), see³	3498//4398
Compression ratio	10: 1
Revolutions Х/Х, rpm
No additional consumers	580 ± 50
With A/C enabled	700 ± 50
With K/V enabled and transmission	700 ± 50
Maximum engine speed (B 35//B 44), rpm	6200//6100 (± 50)
Compression value, atm.	12 ÷ 14

M67 engine
Type	Diesel, V-shaped, 8-cylinder, DOHC, with fuel distribution line (Common Rail)
Sales designation of the model, year of manufacture	740d (740dL), since 1999
Bore//stroke, mm	84//88
Displacement, cm³	3901
Compression ratio	18:1
Power, kW@rpm	180@4000
RPM X/X (with A/C switched on and (or) transfer), rpm	750 ± 50
Maximum crankshaft speed, rpm
When the vehicle is stationary	4600 ± 100
While driving	4800 ± 100
Maximum torque Nm@rpm	560@1750 ÷ 2500

M73 engine (B 54)
Type	Petrol, V-shaped, 12-cylinder, OHC
Engine code	56 12 1
Sales designation of the model, year of manufacture	750i (750iL), since 1994
Angle between cylinder blocks, deg.	60
Bore//stroke, mm	85//79
Displacement, cm³	5379
Compression ratio	10.0:1
Power, kW@rpm	240@5000
Revolutions Х/Х, rpm
No additional consumers	600 ± 50
With A/C enabled	700 ± 50
Maximum engine speed, rpm	6000 ± 50
Maximum torque Nm@rpm	490@3900
Compression value, atm.	10 ÷ 12

Cylinder block

The maximum allowable gap in case of wear of parts between the piston and the cylinder, mm
Engines M51, M57 (D25), M52	0.015
M60/1, M60/2, M62, M73 engines	0.010

M51 engines (DTS), M57 (D25)
Cylinder diameter, mm
New//admissible wear	80.000 ^+0.018 //80.000 ^+0.040
Intermediate size (new//acceptable wear)	80.080 ^+0.018 //80.080 ^+0.040
1st oversize (new//acceptable wear)	80.250 ^+0.018 //80.250 ^+0.040
Cylinder ovality and taper (new//acceptable wear), mm	0.01//0.04
Motors M52 B 20, M52 B 25
Cylinder diameter (B 20//B 25) ¹⁾, mm	80.000 ^+0.010 //84.000 ^+0.010
Permissible ovality/taper of cylinder¹⁾, mm	0.005//0.010

¹⁾ New or processed

Engine M52 B 28
Cylinder diameter¹⁾, mm
Standard	84.000 ^+0.010
1st repair size	84.250 ^+0.010
2nd repair size (only for cast iron blocks)	84.500 ^+0.010
Permissible ovality/taper of cylinder¹⁾, mm	0.005//0.010

¹⁾ New or processed

Motors M52TU B 20, B 25, B 28
Cylinder diameter (B 20//B 25 and B 28) ¹⁾, mm
Standard	80.000 ^+0.010 //84.000 ^+0.010
1st repair size (only for aluminum block with cast iron sleeves)	80.250 ^+0.010 //84.250 ^+0.010
Permissible ovality/taper of cylinder¹⁾, mm	0.005//0.010

¹⁾ New or processed

M57 engines (D 30), M67
Cylinder diameter, mm
New//admissible wear	84.000 ^+0.018 //84.000 ^+0.040
Intermediate size (new//acceptable wear)	84.080 ^+0.018 //84.080 ^+0.040
1st repair size (new//acceptable wear)	84.250 ^+0.018 //84.250 ^+0.040
Cylinder ovality and taper (new//acceptable wear), mm	0.01//0.04

M60/1 engines (B 30), M60/2 (B 40)
New cylinder diameter, mm
M60/1	84.000 ^+0.014
M60/2	89.000 ^+0.014
Permissible out-of-roundness of the new cylinder, mm	0.007

M62 engines (B 35, B 44, B 46)
New cylinder diameter, mm
B 35	84.000 ^+0.014
B 44	92.000 ^+0.014
B 93	93.000 ^+0.014
Permissible out-of-roundness of the new cylinder, mm	0.007
M73 engine (B 54)
Cylinder diameter¹⁾, mm
Class 0, size A//B	85.000 ^+0.010 //85.011 ^+0.009
Class 00, size A//B	85.080 ^+0.010 //85.091 ^+0.009
Class 1, size A//B	85.250 ^+0.010 //85.261 ^+0.009
Class 2, size A//B	85.500 ^+0.010 //85.511 ^+0.009
Permissible ovality and taper of cylinder¹⁾, mm	0.01

¹⁾ New or processed

Cylinder head

Valve guides are not available as spare parts. On M51, M57 and M67 engines, machining of the cylinder head is not permitted.

On M57 and M67 engines, lapping of valve seats is not allowed.

Valve oil clearance in the guide sleeve, mm	0.5
Nominal inner diameter of the installed valve bushing, mm
Motors M51, M52, M52TU, M60/1, M60/2, M62 (tolerance H7)
Nominal	6.0
Class 1//2	6.1//6.2
Engines M57, M67	6 +0.015/ +0.03
M73 engine (tolerance H7)
Nominal	7.0
Class 1 // 2	7.1//7.2
Camshaft thrust bearing width, mm
M51 engine	21.85 ^-0.08
M52 and M52TU engines	20, tolerance d8
M57 and M67 engines	18.85 ^-0.08
Camshaft bearing guide width, mm
Motors M60/1, M60/2	18.85 ^-0.08
M62 engine	21.90 ^-0.06
M73 engine	21.85 ^-0.08
Nominal cylinder head height (except for M51, M57 and M67 engines), mm	140
Tolerance for cylinder head processing, mm
Motors M52, M52TU, M60/1, M60/2, M62	139.7
M73 engine	139.8
Diameter of camshaft bearings for M57, M67 engines, mm	23, tolerance G7
Valve seat angles (working//external//internal), deg.
M51 engine	45//15//60
Valve seat face width (inlet//outlet), mm
M51 engine	2.00 ± 0.25//2.75 ± 0.15
Engines M52, M52TU	1.65 ± 0.25//1.65 ± 0.25
M57 engines	1.45 ± 0.25//1.45 ± 0.25
Motors M60/1, M60/2, M62 (B 35, B 44)	1.25 ± 0.25//1.65 ± 0.35
M62 engine (B 46)	0.95 ± 0.30//1.50 ± 0.35
M67 engine	1.20 ± 0.25//1.43 ± 0.25
M73 engine	1.65 ± 0.25//2.00 ± 0.25
Valve seat outside diameter (inlet//outlet), mm
M51 engine	35.5//30.6
Engine M52 B 20	29.4//26.4
M52 B 25 and B 28 motors	32.4//29.4
Engine M52TU B 20	29.4//26.5
M52TU B 25 and B 28 engines	32.4//30.0
Motors M60/1, M62 (B 35)	31.5//28.0
Motors M60/2, M62 (B 44, B 46)	34.5//30.0
M73 engine	41.5//35.6

Crankshaft and flywheel

Nominal journal diameter (yellow // green // white), mm

Engines M51, M52, M52TU

59.987 ± 3//59.980 ± 3//59.973 ± 2

M57 engine

59.980 ± 3//59.973 ± 3//59.966 ± 2

Motors M60/1, M60/2, M62, M67, M73

69.984 ^+0.006 //69.977 ^+0.006 //69.971 ^+0.005

M73 engine

74.984 ^+0.006 //74.977 ^+0.006 //74.971 ^+0.005

Diameter of main journals (class 1 // 2 // 3), mm

see nominal diameter -0.25//-0.50//-0.75 mm

Radial clearance of crankshaft bearings, mm

Engines M51, M52, M52TU

0.020 ÷ 0.058

M57 engine

0.019 ÷ 0.052

Motors M60/1, M60/2, M62

0.020 ÷ 0.050

M67 engine

0.028 ÷ 0.056

M73 engine

0.026 ÷ 0.052

Axial backlash of a cranked shaft, mm

Engines M51, M52, M52TU

0.080 ÷ 0.163

M57 engine

0.080 ÷ 0.234

Motors M60/1, M60/2, M62, M67, M73

0.085 ÷ 0.257

The sizes of necks of the persistent bearing of a cranked shaft, mm (tolerance F8)

Engines M51, M52, M52TU, M57

Rated

25.0

Class 1//2

25.2//25.4

Motors M60/1, M60/2, M62, M67

Rated

32.0

Class 1// 2//3

32.2//32.4//32.6

M73 engine

Rated

31.0

Class 1//2//3

31.2//31.4//31.6

Marking of connecting rod bearings of the crankshaft, mm

Engines M51, M52, M52TU, M57, M73

Rated

45.0	-0.009
	-0.025

Class 1//2

44.75	-0.009	//	44.50	-0.009
	-0.025			-0.025

Motors M60/1, M60/2, M62

Rated

48.0	-0.009
	-0.025

Class 1//2//3

47.75	-0.009	//	47.50	-0.009	//	47.25	+0.016
	-0.025			-0.025			+0

M67 engines (nominal)

53.975

Radial clearance between liners and crankshaft journal, mm

Engines M51, M52, M52TU, M57, M67

0.020 ÷ 0.055

Motors M60/1, M60/2, M62

0.016 ÷ 0.055

M73 engines

0.016 ÷ 0.058

Permissible radial runout on the middle journals of the main bearings (the shaft rests on the outer journals of the main bearings), mm

Motors M51, M57, M60/1, M60/2, M62, M67, M73

0.15

Engines M52, M52TU

0.20

The maximum allowable runout on the outer diameter of the flywheel, mm

M51 engine

0.6

Engines M52, M52TU

0.3

M57 engine

0.4

M67 engine

0.3

Maximum allowable radial//axial runout of the torsional vibration damper, mm

Engines M52, M52TU

0.2//0.4

Motors M61/1, M61/2, M62, M73

0.2//0.3

Connecting rods

Diameter of the lower one-piece connecting rod head (without bearing), mm

Engines M51, M52, M52TU, M57, M67

48.000 ÷ 48.016

M67 engine

57.6	+0.019
	+0

Motors M60/1, M60/2, M62

52.000 ÷ 52.013

Hole in the connecting rod for the bushing of the connecting rod head, mm

M51 engine

29	+0.021
	-0.005

Engines M57, M67

32	+0.021
	-0.005

The inner diameter of the bushing of the lower head of the connecting rod, mm

M51 engine

27	+0.008
	+0.015

Motors M52, M52TU, M60/1, M60/2

22	+0.010
	+0.005

Engines M57, M67

30	+0.016
	+0.007

Motors M60/1, M60/2, M62

22	+0.020
	+0.005

M67 engine

22.005 ^+0.005

Permissible difference in weight of connecting rods (without bearing shells), G

Engines M51, M52, M52TU, M57, M67, M73

± 4

Motors M60/1, M60/2, M62

± 3

Distance between the centers of the connecting rod heads, mm

M57 engines (D 25//D 30)

137.6//135

M67 engine

155

Pistons with rings and piston pins

Piston and pin can only be replaced together.

measuring point «A» (position), mm
Engines M57, M67	12
M51 engine	7
M52 engines (B 20//B 25//B 28)	8//10//14
M52TU engines (B 20//B 25, B 28)	6.5//5.5
Motors M60/1, M60/2, M73	14
M62 engines (B 35//B 44//46)	22//12//21.5
Piston diameter (at the measuring point «A»), mm
Nominal
M57 D30 engine	83.950 ± 0.009
M67 engine	83.955 ± 0.009
M51 engine	79.960 ± 0.009
M52 and M52TU engines (B 20 // B 25, B 28)	79.985 ^+0.009 //83.980 ^+0.009
Motors M60/1, M62 B 35	83.976 ÷ 83.994
M60/2 engine	88.976 ÷ 88.994
Engine M62 B 44	91.976 ÷ 91.994
Engine M62 B 46	92.980 ÷ 92.000
Intermediate
Engines M57 D30, M67	84.030 ± 0.009
M51 engine	80.040 ± 0.009
1st repair size
Engines M57 D30, M67	84.200 ± 0.009
M51 engine	80.210 ± 0.009
Engine M52 B 28	84.230 ^+0.009
M52TU engines (B 20//B 25)	80.235 ^+0.009 //84.230 ^+0.009
2nd repair size
M52 B 28 engine with cast iron cylinder block	84.230 ^+0.009
M73 engine
Class 0, size A//B	84.976 ^+0.014 //84.991 ^+0.013
Class 00, size A//B	85.056 ^+0.014 //85.071 ^+0.013
Class 1, size A//B	85.226 ^+0.014 //85.241 ^+0.013
Class 2, size A//B	85.476 ^+0.014 //85.491 ^+0.013
Gap between piston and bore in cylinder block, mm
M57 D30 engine	0.041 ÷ 0.077
M67 engine	0.036 ÷ 0.059
M51 engine	0.031 ± 0.063
Engines M52, M52TU	0.01 ÷ 0.04
Motors M60/1, M60/2, M62 (B 35, B 44)	0.006 ÷ 0.038
Engine M62 B 46	0.006 ÷ 0.034
M73 engine	0.010 ^+0.024
Piston ring gap (upper//middle//lower), mm
M51 engine	0.2 ÷ 0.4
Motors M52 B 20, M52TU B 20	0.1 ÷ 0.3//0.2 ÷ 0.4//0.2 ÷ 0.4
M52 and M52TU engines (B 25, B 28), M62 B 46	0.1 ÷ 0.3//0.2 ÷ 0.4//0.25 ÷ 0.50
Engines M57 D 30, M 67	0.20 ÷ 0.35//0.30 ÷ 0.45//0.2 ÷ 0.4
Motors M60/1, M60/2	0.1 ÷ 0.3//0.2 ÷ 0.4//0.4 ÷ 1.4
M62 engines (B 35, B 44)	0.1 ÷ 0.3//0.2 ÷ 0.4//0.2 ÷ 0.9
M73 engine	0.15 ÷ 0.35//0.2 ÷ 0.4//0.4 ÷ 1.4
Piston ring seat play (upper//middle//lower), mm
M51 engine	no measurement required//0.040 ÷ 0.072//0.030 ÷ 0.065
Engine M57 D 30, M67	no measurement required//0.05 ÷ 0.09//0.03 ÷ 0.07
Motors M52 B 20, M52TU B 20	0.020 ÷ 0.055
M52 and M52TU engines (B 25, B 28)	0.02 ÷ 0.06//0.030 ÷ 0.065//0.02 ÷ 0.06
Motors M60/1, M62 B 35, M73	0.020 ÷ 0.055 // 0.020 ÷ 0.055 // no measurement required
M60/2 engine	0.030 ÷ 0.065//0.060 ÷ 0.065/ no measurement required
Engine M62 B 44	0.02 ÷ 0.06//0.02 ÷ 0.06//no measurement required
Engine M62 B 46	0.02 ÷ 0.07//0.02 ÷ 0.06//0.02 ÷ 0.06

Camshaft and valves

Thrust bearing width (intake//exhaust shaft), mm

M51, M73 engines

22.0 ^+0.1

Engines M52, M52TU

20, tolerance H8//H9

M57 engine

19.0 ^+0.1

Motors M60/1, M60/2

28.95 ^+0.10

M62 engines

21.10 ^+0.10

M67 engine

16.0 ^+0.1

Camshaft play (radial//axial), mm

Engine M51, M73

0.040 ÷ 0.081//0.15 ÷ 0.33

Engines M52, M52TU

0.020 ÷ 0.054//0.15 ÷ 0.33

Engine M57, M67

0.047 ÷ 0.088//0.15 ÷ 0.33

Motors M60/1, M60/2

0.040 ÷ 0.074//0.10 ÷ 0.28

M62 engines

0.040 ÷ 0.074//0.20 ÷ 0.36

Nominal valve head diameter (inlet//outlet), mm

M51 engine

36//31

M52 and M52TU engines (B 20)

30//27

M52 and M52TU engines (B 25, B 28)

33//30.5

Engines M57, M67

25.9

Motors M60/1, M62 B 35

32.0//28.5

Motors M60/2, M62 (B 44, B 46)

35.0//30.5

M73 engine

42 // 36

Valve head repair dimensions (R1//R2), mm

0.2//0.4

Valve stem diameter (inlet//outlet), mm

M51 engine

Nominal

6.97/5.97 ^-0.015 //6.95/5.96 ^-0.015

Repair dimension R1

6.07/7.07 ^-0.015 //6.17/7.17 ^-0.015

Repair dimension R2

6.06/7.06 ^-0.015 //6.16/7.16 ^-0.015

Engines M52, M52TU, M60/1, M60/2, M62

Nominal

6.0	-0.025	//	6.0	-0.040
	-0.040			-0.055

Repair dimension R1

6.1	-0.025	//	6.1	-0.040
	-0.040			-0.055

Repair dimension R2

6.2	-0.025	//	6.2	-0.040
	-0.040			-0.055

M57, M67 engines

5.97 ^0.01

M73 engine

Nominal

7.0	-0.025	//	7.0	-0.040
	-0.040			-0.055

Repair dimension R1

7.1	-0.025	//	7.1	-0.040
	-0.040			-0.055

Repair dimension R2

7.2	-0.025	//	7.2	-0.040
	-0.040			-0.055

Lubrication system

Engine oil pressure at X/X rpm, atm, not less than	0.5
Adjustable pressure in the lubrication system, atm
M51 engine	3.8
Engines M52, M52TU	4.0
Engines M57, M67	4.2 ^0.5
Motors M60/1, M60/2, M62	4.5
M73 engine	4.3 ± 0.2
Pressure of impellent oil at inclusion of K/L of low pressure of oil, atm.	0.2 ÷ 0.5

Tightening force of threaded connections, Nm

Bolts of fastening of a cover of a head of cylinders (thread M6//M7)	10//15
Distributor housing to cylinder head (thread M6//M7)	15//20
Cylinder head oil port screw plug (M57 engine)	20
Cylinder head plugs for bleeding the cooling system (M67 engine)	2
Bolts of fastening of a head of cylinders of the M51 engine
1st stage	80
2nd stage	Give half a turn
3rd stage	50
4th stage	Stretch to 90 degree angle
5th stage	Stretch to 90 degree angle
6th stage	Warm up the engine for 25 minutes and hold on to an angle of 90 degrees
M52 cylinder head bolts with cast iron/aluminum cylinder block
1st stage	30//40
2nd stage	Stretch to 90 degree angle
3rd stage	Stretch to 90 degree angle
M73//M60 and M62 engine cylinder head bolts	30, then tighten twice at an angle of 60°//80°
Bolt of fastening of an asterisk to a camshaft flange
M60 and M62 engines	15
M52 and M52TU engines	5 then 20
Other motors with M6//M7 bolt	10//15
Bolt* of fastening of an asterisk to a camshaft
M51 and M57 engines	20+35°
M67 engine	20+90°
Camshaft bearing cap fastener (thread M6//M7//M8)	10//14//20
Fastener spline shaft to intake camshaft (M52 engine)	40 + 60°
Nuts of fastening of a turbocharger to the final pipeline
Diesel models	50
Hollow bolt for oil supply line to turbocharger and block (head) cylinders	25
Turbo hose clamps (engines M57, M67)	6
Engine oil drain plug (thread M12//M18//M22)	25//35//60
Bolts of fastening of the top section of the pallet of a crankcase of the engine to the block of cylinders
Bolts M6 8.8 mm	10
Bolts M6 10.9 mm	12
Bolts M8 8.8 mm	22
Bolts of fastening of the pallet of a crankcase to the top section of the pallet of a crankcase
Bolts M6 8.8 mm	10
Bolts* M6 10.9 mm	12
Bolts M8 8.8mm	22
Hollow bolt for oil return port to oil filter and top section of oil pan (motors M60, M62, M73)	30
Oil line hollow bolt for lubrication of bearing beds and camshaft cams	10
Bolt of fastening of an oil pipeline of greasing of camshaft cams to a head of the block of cylinders
hollow bolt (M8)	10
Bolt (M5)	5
Hollow bolt attaching the oil drain port from the crankcase ventilation oil separator to the top of the oil sump (M62 engine)	25
Bolts (M6//M7//M8//M10) timing chain cover fasteners	10//15//22//47
Timing chain tensioner cap nut	40
Fasteners of the plunger cylinder of the timing chain tensioner
M67 engine	45
M52 engine	70
Other engines	50
Timing chain guide and tensioner mounting bolts (engine M57//M67)	20//26
Flywheel mounting bolts
Models with manual transmission and engine M60, M62	105
Models with manual transmission and M73 engine	120
Models with AT	120
Vibration damper bolts	22
Nut* securing drive belt pulley to crankshaft	190
Bolts* fastening the vibration damper hub to the crankshaft
M52 engines	410
Engines M51, M60, M62
1st stage	100
2nd stage	pull at an angle of 60°
3rd stage	pull at an angle of 60°
4th stage	pull at an angle of 30°
M73 engine	100, then pull twice to 60°
Engines M57, M67	40, then double-tighten to an angle of 60°
Oil pump bolts	23
Oil pump cover bolts	10
Oil pump sprocket nut (thread M6//M10)	10//35
Intake manifold to cylinder head (thread M6 // M7 // M8)	10 // 15 // 22
Acoustic shroud to bracket (engines M60, M62)	8
Nuts* of fastening of a final collector
Fastener M6	10
Fastener M7 (M50 and M52 engines)	20
Fastener M7 (engines other than M50 and M52)	15
Fastener M8 (M51 and M57 engines)	20
Fastener M8 (engines other than M51 and M57)	23

* Use new fasteners