BMW G12 Istruzioni per l'uso e l'installazione
SIB 66 24 16
BLINDSPOT DETECTION WARNING: FALSE ACTIVATION
2017-03-01
This Service Information bulletin supersedes SI B66 24 16 dated January 2017.
MODEL
G12 (7 Series Sedan)
Affected vehicles include SA337 (M sport package) or SA715 (M aerodynamic package) in combination with
SA5AT (Active Driving Assistant Plus) or SA5AS (Active Driving Assistant).
Produced to October 1, 2016.
SITUATION
Driver Assistance system issues Blind Spot Detection warnings when no other vehicle is present:
Yellow triangle illuminated on the side view mirror housing.
Steering wheel vibration activated during lane change.
Short steering intervention during lane change after actuation of turn signal.
CAUSE
Incorrect detection of Blind Spot Warning sensor (HC2-sensor). The radar waves are incorrectly scattered
CORRECTION
Run diagnosis in ISTA 4 and follow the appropriate test.
Install an HC2 sensor shield, if not previously installed (see Warranty history).
PROCEDURE
For conditions that are similar to the situation described:
1. Run diagnosis with ISTA and work through corresponding test module for related fault codes in the
SWW system.
Did ISTA identify root cause?
YES – follow diagnostic recommendations.
NO – Obtain sensor shield (detailed in parts list below), then continue to step 2.
2. Remove the rear bumper panel following repair instructions REP
5112156 – removing and installing rear bumper panel.
3. Install the sensor shield as shown in the picture.
This sensor shield prevents the incorrect scattering of the radar
signals at the rear bumper, which causes false warnings.
4. Reassemble the vehicle and retest.
Copyright ©2022 BMW of North America, Inc.
Always connect a BMW approved battery charger/power supply (SI B04 23 10).
PARTS INFORMATION
Note: Before ordering the HC2 sensor shields, review the Warranty History to verify if the
sensor shields were installed during a previous visit.
Part Number Description Quantity
51 12 8 075 327 Left side HC2 sensor shield 1
51 12 8 075 328 Right side HC2 sensor shield 1
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks.
Defect Code: 6632001400
Labor Operation: Labor Allowance: Description:
00 00 006 Refer to KSD2
Performing “vehicle test” (with vehicle
diagnosis system – checking faults)
(Main work)
Or:
00 00 556 Refer to KSD2
Performing “vehicle test” (with vehicle
diagnosis system – checking faults)
(Plus work)
And:
61 21 528 Refer to KSD2
Connect an approved battery
charger/power supply (indicated in
KSD 2 as Charging battery)
And, as necessary:
61 00 006 Work time (WT) Performing vehicle diagnosis – test
module
And:
51 12 656 Refer to KSD2 Removing and installing rear bumper
panel
And:
66 99 000 2 FRU Work time to install HC2 sensor shields
If you are using a Main labor code for another repair, use the Plus code labor operation 00 00 556 instead.
Refer to KSD2 for the corresponding flat rate unit (FRU) allowances.
Work time labor operation code 61 00 006 is not considered a Main labor operation; however, it does
require an individual punch time and an explanation on the repair order and in the claim comments section.
Copyright ©2022 BMW of North America, Inc.
Work time labor operation code 66 99 000 is not considered a Main labor operation. Also, since the “work
time” FRU allowance to be claimed is specified, a separate punch time is not required.
Other Repairs
Other work that is performed as a result of performing the ISTA diagnostics and related test plans:
When covered under an applicable limited warranty, claim this other repair work using the applicable
defect code and labor operations in KSD2/AIR.
Copyright ©2022 BMW of North America, Inc.
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