Repeat Repairs For Damaged Vacuum Hoses In Turbo Charged Vehicles (11 12 15)

WARNING: This page is about the 335is 2D Convertible, Automatic DCT Trans, which is a different variant/trim than selected.

Publication date: 2015-08-01
Reference number: 11 12 15

REPEAT REPAIRS FOR DAMAGED VACUUM HOSES IN TURBO CHARGED VEHICLES

TECHNICAL SERVICE BULLETIN

Reference Number(s): SI B11 12 15, Date of Issue: August 2015

BMW:	All Models
GROUP:	Engine

SUBJECT

Repeat Repairs for Damaged Vacuum Hoses In Turbo Charged Vehicles

INFORMATION

The proper part numbers for the vacuum hose must be used when replacing the vacuum supply hoses of a turbo charging waste gate control system.

Inside diameters are not all the same, for example a vacuum hose that is used for the waste gate control is not the same inside diameter as the one used for the exhaust flap control. Interchanging these components will result in repeat repairs, and will negatively affect customer satisfaction.

Mixing the diameter of the above mentioned hose may lead to the following complaints.

Malfunction warning or service engine soon warnings are illuminated with various boost faults stored in the DME.
Noises generated by the waste gate control system (whistling or buzzing).
Uneven acceleration under full load such as shuddering or bucking.

Always enter the VIN number of the vehicle into ETK and use the proper applicable hose part numbers for the system. Using bulk hose for all applications is prohibited.

Some hoses returned to the WPRC do not correspond to the part number used on the Warranty claim for the described repair. In cases where the incorrect part numbers has been used for a given repair, and/or when the part returned does not correspond to the part needed for a repair, the Warranty claim will be rejected.

WARRANTY INFORMATION

Not applicable.