REP-TAT-P-1134-25 Replacing valve springs

WARNING: This page is about a different car, the 2018 BMW 340i, 2017 BMW 340i, and 2016 BMW 340i. However, it is still accessible from the selected car via links, so may be relevant.

Removing valve springs

Prepare the special tools 0 494 371 (11 9 006), 0 494 372 (11 9 007) and 0 494 373 (11 9 008) as shown.

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Position the special tools 0 494 371 (11 9 006), 0 494 372 (11 9 007) and 0 494 373 (11 9 008) in the direction of arrow in the center on the cylinder head.

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Slide the special tool 0 494 370 (11 9 005) in the direction of arrow over the edge of the special tool 0 494 371 (11 9 006) .

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Lock special tool 0 494 370 (11 9 005) in arrow direction.
Turn special tool 0 494 362 (11 9 000) and the cylinder head by 180°.

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Mount special tool 0 494 367 (11 9 002) .
Align special tool 0 494 374 (11 9 009) in direction of valve axis. Select the corresponding groove using special tool 0 496 143 (11 8 840) .
Press down the valve spring on the upper spring cup with the special tools 0 494 374 (11 9 009) and 0 496 143 (11 8 840) .
The valve spring can be maintained in pressed down installation position with the special tool 0 494 375 (11 9 011).

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Keep the valve spring pressed down with the special tool 0 496 143 (11 8 840) .
Remove the valve shims (1) from the valve (2) using a magnet.
Relieve load on valve spring.

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Remove the spring cup (1) and the valve spring (2) and position neatly in the special tool 0 495 105 (11 4 480).

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Install valve springs
Install the valve spring (2) and the spring plate (1).

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Mount special tool 0 494 367 (11 9 002) .
Align special tool 0 494 374 (11 9 009) in direction of valve axis. Select the corresponding groove using special tool 0 496 143 (11 8 840) .
Press down the valve spring on the spring cup at the top with special tools 0 494 374 (11 9 009) and 0 496 143 (11 8 840) .
The valve spring can be maintained in pressed down installation position with the special tool 0 494 375 (11 9 011).

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Keep the valve spring pressed down with the special tool 0 496 143 (11 8 840) .
Position the valve shims (1) on the valve (2).
Carefully relieve the valve spring.
Turn special tool 0 494 362 (11 9 000) and the cylinder head by 180°.

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Unlock the special tool 0 494 370 (11 9 005) in the direction of the arrow.
Remove the special tool 0 494 371 (11 9 006) .
Turn special tool 0 494 362 (11 9 000) and the cylinder head by 180°.

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