B260119

TIS Service Bulletin
Page 1 of 3
SI B26 01 19
Driveshaft
January 2019
Technical Service
HUMMING NOISE FROM DRIVELINE (G30 B46O)
MODEL
G30 530i
With the B46O engine and rear wheel drive (not xDrive vehicles)
SITUATION
There is a humming noise coming from the driveline at approximately 62 mph (100 KM/h).
CAUSE
Imbalance in the rear driveshaft flex disc (giubo).
CORRECTION
Check the installation of the rear flex (at rear differential) on the driveshaft and if necessary, replace the
driveshaft.
PROCEDURE
Raise the vehicle to inspect the flex disc at the rear differential (1).
Check the location of the rubber burr on the body of the flexible disc.
A properly installed flex disc will have the burr closer to the front of
the vehicle (1).
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A flex disc installed incorrectly will have the burr closer to the rear
differential (1).
If the replace the rear driveshaft if the flex disc is installed incorrectly following Repair Instruction 26 11 000 Completely remove and install the propeller shaft.
NOTE: The driveshaft and rear flex disc are balanced as a complete unit (rear flex disc can’t be replaced
as a separate part).
PARTS INFORMATION
Part Number
Description
Quantity
26 10 8 623 498
Driveshaft
1
33 12 7 607 158
Repair kit insert nut
1
26 11 7 635 643
Hex bolt
3
26 12 7 536 563
Self-locking nut
3
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks.
Defect Code:
2611005700
Labor Operation:
Labor Allowance:
Description:
26 11 001
Refer to AIR/KSD2
Replacing complete propeller shaft (Main
work)
Refer to AIR/KSD2
Replacing complete propeller shaft (Plus
work)
Refer to AIR/KSD2
Replacing complete propeller shaft (Propeller
shaft unbolted from transmission) (Associated
work)
Or:
26 11 508
Or:
26 11 511
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Refer to AIR/KSD2 for the corresponding flat rate unit (FRU) allowances.
If you are using a Main labor code for another repair, use the Plus code labor operation 26 11 508 or
Associated code labor operation 26 11 511, as applicable, instead of 26 11 001.
[ Copyright ©2019 BMW of North America, Inc. ]
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