2021-2024 BMW X6 X7 Ventilation Line Service Action

BMW has released Service Information Bulletin (SIB) 11 08 23 to address a potential issue with the evaporative and crankcase ventilation line connections in certain 2021-2024 BMW X6 and X7 models. This proactive service action ensures that these critical connections are properly secured.

The SIB 11 08 23 identifies that due to an assembly issue, some of these ventilation line connections might not be securely locked. This could potentially lead to various system malfunctions if not corrected.

Symptoms and Diagnosis

The primary condition identified by BMW is that the evaporative and crankcase ventilation line connections may not be securely locked due to an assembly issue. While the bulletin does not specify direct owner-perceptible symptoms, loose connections in these systems could potentially lead to issues such as a check engine light illumination, evaporative system fault codes, or even minor engine performance irregularities.

Technicians will diagnose this by visually inspecting the connections of the evaporative and crankcase ventilation lines. The goal is to ensure all connections are properly seated and locked.

Repair Procedure Summary

The repair procedure outlined in SIB 11 08 23 is straightforward and involves checking and securing the ventilation line connections. Technicians will perform the following steps:

1. Inspect Tank Ventilation Line Connections: All connections for the tank ventilation line, part number 13 90 9 845 460, will be checked. If found unlocked, they will be gently pushed together until they are securely locked.
2. Inspect Suction Jet Line Connections: Similarly, all connections for the suction jet line, part number 13 90 9 845 475, will be inspected and secured if necessary.
3. Inspect Tank Ventilation Valve Connections: The connections for the tank ventilation valve, part number 13 90 5 A30 BB9, will also be checked and locked.
4. Inspect Cylinder 1-4 Crankcase Ventilation Line: Connections for the cylinder 1-4 crankcase ventilation line, part number 11 15 9 845 964, will be examined and secured.
5. Inspect Cylinder 5-8 Crankcase Ventilation Line: The connections for the cylinder 5-8 crankcase ventilation line, part number 11 15 9 845 965, will undergo the same inspection and securing process.
6. Inspect Crankcase Ventilation Intake Pipe: Finally, all connections of the crankcase ventilation intake pipe, part number 11 15 9 845 963 or 11 15 5 A58 693, will be checked and locked if needed.

This process ensures that all relevant ventilation lines are properly connected, preventing potential issues arising from loose fittings.

Important Information for Owners

BMW has provided specific instructions regarding this service action:

• "Please perform the procedure outlined in this Service Information on all affected vehicles before customer delivery. In the event the customer has already taken delivery of the vehicle, please perform the procedure the next time the vehicle is in the shop."
• "THIS REPAIR IS MOBILE FRIENDLY", indicating that for qualified centers, this repair can be performed via Mobile Assistance.

Owners are encouraged to check with their dealer regarding the status of this service action for their vehicle. Vehicles requiring this campaign will show as “Open” when checked in BMW's internal systems.

Claim Information

Reimbursement for this Service Action, identified by Repair Code 0011450700 ("G06 G07 Checking lock of intake pipe and ventilation line, reworking if necessary."), will be processed via normal claim entry. The labor operations associated with this service action are 00 74 984 (31 FRU) for vehicles completed before first delivery or already in the workshop, and 00 74 338 (32 FRU for G06, 33 FRU for G07) for vehicles arriving specifically for this service action.

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Source: NHTSA ID: 10242886