11 31 01 Replacing left camshaft (M62 up to 9/98): Installation

The installation of the camshaft is described separately from the removal. Assembly sequence for removal and installation is different.

Install camshafts.

In insertion position, recesses in camshafts point approx. 30... 40° downwards from the surface of the cylinder head.

Fig 1: Identifying Camshaft Position 30 And 40 ° Downwards From Surface Of Cylinder Head While Installing Camshaft

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Fit bearing covers.

Fig 2: Identifying Exhaust Camshaft Bearing Covers Position

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Fig 3: Identifying Intake Camshaft Bearing Covers Position

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Evenly tighten down bearing covers on camshafts for cylinder bank 5-8 in 1/2 turn steps from outside to inside.

Tightening torque, refer to 11 31 1AZ in ENGINE - TIGHTENING TORQUES - 540i .

Fig 4: Identifying Bolts Of Bearing Covers On Camshafts

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Secure special tool 11 3 430 to camshaft.

Fig 5: Securing Special Tool 11 3 430 To Camshaft

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Rotate camshafts until marker bores point upwards.

Fig 6: Rotating Camshafts Until Marker Bores Point Upwards

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Fit special tool 11 2 446 / 442 to camshafts on cylinder bank 5 to 8.

Fig 7: Fitting Special Tool 11 2 446 / 442 To Camshafts On Cylinder Bank 5 To 8

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Fit special tool 11 2 445 / 441 to camshafts on cylinder bank 1 to 4.

Fig 8: Fitting Special Tool 11 2 445 / 441 To Camshafts On Cylinder Bank 1 To 4

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Align all camshafts with open-end wrench in such a way that special tools 11 2 445 / 441 / 446 / 442 fit on cylinder heads without gaps.

Fig 9: Aligning All Camshafts With Open-End Wrench

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Fit special tool 11 2 443 to special tool 11 2 446 / 442 and secure with special tool 11 2 444 using the spark plug thread.

Fig 10: Fitting Special Tool 11 2 443 To Special Tool 11 2 446 / 442 And Secure With Special Tool 11 2 444

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Fit special tool 11 2 443 to special tool 11 2 445 / 441 and secure with special tool 11 2 444 using the spark plug thread.

Fig 11: Fitting Special Tool 11 2 443 To Special Tool 11 2 445 / 441 And Secure With Special Tool 11 2 444

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Fit secondary sprockets and chain to camshafts on cylinder bank 5-8. Align long bores centrally.

Remove special tool 11 3 310 from chain tensioner.

Fig 12: Removing Special Tool 11 3 310 From Chain Tensioner

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Insert screws in exhaust camshaft on cylinder bank 5 to 8 and fit without play.

Fig 13: Inserting Screws In Exhaust Camshaft On Cylinder Bank 5 To 8

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Rotate engine from the 45° before TDC position in direction of rotation up to TDC position.

Hold crankshaft in TDC position with special tool 11 2 300.

Fig 14: Hold Crankshaft In TDC Position With Special Tool 11 2 300

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Fit sprocket with chain to inlet camshaft on cylinder bank 5 to 8 with long bores aligned centrally.

Insert screws and fit flush.

Fig 15: Holding crankshaft in TDC position with special tool 11 2 300

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Install special tool 11 3 390 in right timing case cover.

Fig 16: Installing Special Tool 11 3 390 In Right Timing Case Cover

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Tighten bow cover by turning the adjusting screw on the special tool 11 3 390 with special tool 00 9 250 to 0.7 Nm.

Fig 17: Tightening Bow Cover By Turning The Adjusting Screw

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Tighten sprockets in the following order:

1. All screws on exhaust camshaft, left
2. Three screws on exhaust camshaft, right
3. All screws on inlet camshaft, left
4. Three screws on inlet camshaft. Refer to 11 31 3AZ in ENGINE - TIGHTENING TORQUES - 540i .

Remove special tools 11 2 444 / 443 / 441 / 445.

Fig 18: Removing Special Tools 11 2 444 / 443 / 441 / 445

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Remove special tools 11 2 444 / 443 / 442 / 446.

Fig 19: Removing Special Tools 11 2 444 / 443 / 442 / 446

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Remove special tool 11 2 300.

Turn over engine once.

Tighten down remaining three screws on exhaust and intake camshafts on cylinder bank 1-4 firmly.

Tightening torque, refer to 11 31 3AZ in ENGINE - TIGHTENING TORQUES - 540i .

Fig 20: Tightening Down Remaining Three Screws On Exhaust And Intake Camshafts On Cylinder Bank 1-4

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Install all oil lines to left and right cylinder heads.

Fig 21: Installing Oil Lines To Left And Right Cylinder Heads

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Loosen special tool 11 3 390 and remove.

Install chain tensioning piston,

refer to 11 31 090 INSTALLING AND REMOVING / REPLACING PISTON FOR CHAIN TENSIONER (M62) .

Install timing case cover, top left,

refer to 11 14 080 REMOVING AND INSTALLING TIMING CASE COVER, TOP LEFT (M62 VANOS FROM 9/98) .

Assemble engine.

Fig 22: Identifying Special Tool 11 3 390

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