23 31 545 Replacing both locking bolts for 6th/reverse gear (I transmission) - transmission removed

WARNING: This page is about a different car, the 2018 BMW 330i and 2017 BMW 330i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

23 4 021
23 4 023

NOTE: 1=Locking bolt for 6th gear
2=Locking bolt for reverse gear

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Using a suitable tool (1), drive hole into sealing cap (2) and lever out of housing.

IMPORTANT: Bore hole must not be damaged. A burr or a dent can cause the sealing cap to leak.

Installation note:

Replacing sealing cap (2).

NOTE: Illustration shows: Sealing cap for reverse gear

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Remove circlip (1) and washer (2).

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Remove compression spring and locking bolt.

IMPORTANT: Compression springs and locking bolts for 6th gear and reverse gear must not be mixed up.

6th gear locking bolt	Reverse gear locking bolt
Curved chamfer	Straight chamfer
Weaker compression spring	Stronger compression spring

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NOTE: Graphic shows: Reverse gear compression spring!

Installation note:

6th gear locking bolt:

Bevel must point in bell housing downwards to reverse gear!

Reverse gear locking bolt:

Bevel must point in bell housing upwards to 6th gear!

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Using special tool 23 4 023 , drive locking bolt with compression spring, washer and circlip simultaneously into housing.

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Drive in sealing cap (1) with special tool 23 4 021 .

Courtesy of BMW OF NORTH AMERICA, INC.