Adjust the timing of the camshaft

WARNING: This page is about a different car, the 2022 BMW X7, 2021 BMW X7, 2020 BMW X7, and 2019 BMW X7. However, it is still accessible from the selected car via links, so may be relevant.

Preliminary work

Refer to BLOCKING THE CRANKSHAFT IN THE TDC FIRING POSITION OF CYLINDER 1 .
Refer to REMOVING COWL LOWER PART .
Refer to REMOVING THE CENTER STRUT BRACE .
Refer to REMOVING THE HOLDER OF THE POSITIVE BATTERY CABLE .
Refer to REMOVING CHAIN TENSIONER .

Precondition

Crankshaft is disconnected and blocked.

The engine is in the TDC firing position of cylinder 1.

Have the set of special tools 2 456 372 ready.

Number	Description
1	Basic carrier
2	0.7° setting gauge to adjust the intake camshaft
3	0.5° setting gauge to adjust the exhaust camshaft
4	Basic carrier screws on cylinder head
5	Screw gauge on basic carrier

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Use the setting gauge 0.7° (1) from the set of special tools 2 456 372 to adjust the intake camshaft.
Use the setting gauge 0.5° (2) from the set of special tools 2 456 372 to adjust the exhaust camshaft.

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Have the special tool 0 496 855 ready.

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Have the special tool 2 450 487 ready.

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Have the special tool 2 469 138 ready.

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Prepare all special tools and commercially available tools.

Number	Description
1	Standard torque wrench
2	Wrench socket set 2 450 487
3	Reversible ratchet 0 496 855
4	Commercially available reduction
5	adapter 2 469 138

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Assemble all the special tools and commercially available tools as shown.

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Position the basic carrier (1) from the set of special tools 2 456 372 on the cylinder head.

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Tighten the screws (1) from the set of special tools 2 456 372 on the basic carrier (2) .

TIGHTENING TORQUES SPECIFICATION

Basic carrier to cylinder head
M6	Tightening torque	8 Nm

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Position setting gauge 0.7° (1) from the set of special tools 2 456 372 between basic carrier (2) from the set of special tools 2 456 372 and intake camshaft (3).
If necessary, crank the engine at the crankshaft using special tool 0 493 380 (11 6 480) .
Tighten the screws (4) from the set of special tools 2 456 372 .

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TIGHTENING TORQUES SPECIFICATION

Test gauge to basic carrier
M6	Tightening torque	8 Nm

Release the VANOS central valve (5) of the intake adjuster.
Position setting gauge 0.5° (1) from the set of special tools 2 456 372 between basic carrier (2) from the set of special tools 2 456 372 and exhaust camshaft (3).
If necessary, crank the engine at the crankshaft using special tool 0 493 380 (11 6 480) .
Tighten the screws (4) from the set of special tools 2 456 372 .

TIGHTENING TORQUES SPECIFICATION

Test gauge to basic carrier
M6	Tightening torque	8 Nm

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Release the VANOS central valve (5) of the exhaust camshaft adjuster.
Ensure that the flattened areas (1) on the intake camshaft and the exhaust camshaft point upwards.

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Turn the intake camshaft (E) and the exhaust camshaft (A) such that the marks (1) can be read from the top.

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Ensure that the cam (1) on the exhaust camshaft on cylinder 1 points to the inside right at a slight angle.

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Ensure that the cam (1) on the intake camshaft on cylinder 1 points to the inside left at an angle.

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