NHTSA ID Number: 10151170
Manufacturer Communication Number: B122110
TSB/Document Date: 2018-12-10
Summary
N51 Engine: Service Engine Soon Lamp Illuminated - Loss of Power and Various Faults Stored in the DME. The customer complains that the Service Engine Soon lamp is illuminated. The vehicle has lost power; the engine cranks but will not start; and various faults are stored in the DME for engine misfire and/or mixture adaptations. CAUSE The vehicle has lost fuel system delivery pressure due to a loose or split fuel line inside the fuel tank. The failure is related to an unfavorable stacking of tolerances between the rubber fuel hose and the plastic regulator nipple or deterioration of the rubber hose construction material.
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TSB/Document ID: B122110
Replacement Service Bulletin Number:
MFR Communication Date: 2016-03-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: FUEL SYSTEM, GASOLINE
MFR Component System:
MFR Component Subsystem:
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Page 1 of 4
SI B12 21 10
Engine Electrical Systems
March 2016
Technical Service
This Service Information bulletin supersedes SI B12 21 10 dated October 2014.
designates changes to this revision
SUBJECT
N51 Engine: Service Engine Soon Lamp Illuminated - Loss of Power and Various Faults
Stored in the DME
MODEL
E82 (1 Series Coupe)
E88 (1 Series Convertible)
E90 (3 Series Sedan)
E92 (3 Series Coupe)
E93 (3 Series Convertible)
All vehicles produced to 6/2011
SITUATION
The customer complains that the Service Engine Soon lamp is illuminated. The vehicle has lost
power; the engine cranks but will not start; and various faults are stored in the DME for engine
misfire and/or mixture adaptations.
CAUSE
The vehicle has lost fuel system delivery pressure due to a loose or split fuel line inside the fuel
tank. The failure is related to an unfavorable stacking of tolerances between the rubber fuel hose
and the plastic regulator nipple or deterioration of the rubber hose construction material.
PROCEDURE
1. Check the fuel pressure as per Repair Instruction REP 13 31 029 Checking the fuel pump
delivery pressure.
2. If no fuel pressure is present
then remove the right side fuel
tank access cover to inspect the
fuel hose (1) for disconnection
or damage. Refer to Repair
Instruction REP 16 14 010
Removing and installing the fuel
pump.
https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/313... 4/4/2016
Page 2 of 4
IMPORTANT:
For the clarity of the picture, this
is a photo of a fuel tank removed
from the vehicle. Do not remove
the fuel tank for the hose
inspection.
3. Inspect the fuel hose connection
(1) on the pressure regulator (2).
If the fuel hose is found to be
disconnected from the fuel
pressure regulator, replace the
fuel tank. Do not attempt to
replace or re-secure the fuel hose
inside the fuel tank.
4. Inspect the fuel hose (1) for
splitting. It might be necessary
to inspect the entire
circumference of the fuel hose
with a small mirror. If the fuel
hose (1) is found to be split,
replace the fuel tank. Do not
attempt to replace or re-secure
the fuel hose inside the fuel tank.
5. If neither of these conditions is found, continue diagnosis using the available ISTA/D test
plans for the faults stored in the DME before submitting a DMTL System TC case.
https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/313... 4/4/2016
Page 3 of 4
Note: TeileClearing authorization is not required for the fuel tank replacement procedure described
in this bulletin. Please write in the comment section of the warranty claim: "Replaced per SI B12 21
10".
PARTS INFORMATION
Part Number
Description
Quantity
16 11 7 162 162
Fuel tank (E90, E92 and
E93)
1
16 11 7 190 559
Fuel tank (E82 and e88)
1
16 11 7 194 201
Repair kit for flange
cover seal and clamp
1
16 11 7 194 202
Repair kit fuel tank,
filler neck seal, retainer
and clamp
1
WARRANTY INFORMATION
Covered under the terms of the BMW
New Vehicle Limited Warranty for Passenger Cars and
Light Trucks or the BMW Certified Pre-Owned Program.
This repair is also covered by the terms of the State-specific Emissions Warranty (vehicle model
year, state of registration and component list-dependent) that applies to the BMW models listed.
The BMW Certified Pre-Owned Limited Warranty applies to BMW vehicles that have and are still
within the BMW Certified Pre-Owned coverage period, but beyond Emissions Warranty coverage
that applies.
Defect Code:
16 11 00 48 00
Labor Operation:
Labor Allowance:
Description:
Refer to KSD2
Performing “vehicle test” (with vehicle
diagnosis system – checking faults)
Refer to KSD2
Connect an approved battery
charger/power supply (indicated in
KSD2 as “Charging battery”)
Refer to KSD2
Checking delivery pressure of the fuel
pump
00 00 006
And:
61 21 528
And, as needed
13 31 529
And:
https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/313... 4/4/2016
Page 4 of 4
2 FRU
Work time to inspect the fuel hose
connection (with replacing the tank)
Labor Operation:
Labor Allowance:
Description:
16 11 535
Refer to KSD2
Replacing the fuel tank
Refer to KSD2
Extracting fuel from the fuel tank and
filling (Select the applicable Plus work
labor operation (16 00 610 to 16 00
680) that applies to the amount of fuel
extracted – 10 liter increments)
Labor Operation:
Labor Allowance:
Description:
16 11 535
Refer to KSD2
Replacing the fuel tank (Includes
extracting fuel from the fuel tank and
filling)
16 99 000
And for:
E82, E88 and E93
And:
16 00 610 to 16 00
680
Or for:
E90 and E92
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) allowance.
Work time labor operation code 16 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
If performing ISTA diagnostics and related test plans results in other eligible and covered work,
claim this work with the applicable defect code and/or labor operations listed in KSD2.
[ Copyright ©2016 BMW of North America, Inc. ]
https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/313... 4/4/2016
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