Service bulletin SI-B12-13-07

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10027628
Published by NHTSA	2009-01-28
Manufacturer's number	SI-B12-13-07
Manufacturer's date	2008-07-01
NHTSA component	ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA's summary

BMW VEHICLE: DUE TO MATERIAL DETERIORATION OF CERTAIN COMPONENTS OF THE SECONDARY AIR SYSTEM, THE SERVICE ENGINE SOON LIGHT MAY ILLUMINATE WITH FAULT CODE 2761 (SECONDARY AIR SYSTEM) STORED IN DME FAULT MEMORY. 325CIA SULEV (E46) MODELS AFFECTED WITH M56 ENGINES. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Exhaust and emissions

Vehicles listed
BMW 3 SERIES	2005, 2006
BMW 3 SERIES	2005, 2006
BMW 3 SERIES	2005, 2006
BMW 3 SERIES	2005, 2006
BMW 3 SERIES	2005, 2006
BMW 3 SERIES	2005, 2006
BMW 325CI	2005, 2006

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
2022095	2022-03-02. Engine
22V119000	2022-03-02. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
2019170	2019-04-05. Engine
19V273000	2019-04-04. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SIB640521	2022-08-22. Service bulletin. A rattling/droning noise is heard in the vehicle interior when the air conditioning (AC) is activated. Vibrations are felt in the driver's footwell.
B160317	2020-10-19. Service bulletin. E46 SULEV/PZEV: FUEL TANK DISPOSAL PROCEDURE: E46 M56 vehicles, in addition to meeting the SULEV (Super Ultra Low Emission) tailpipe emission standard, also conform to the Zero Evaporative Emissions (PZEV) regulations. In order to meet these strict standards, the SULEV's fuel tank is a completely sealed unit manufactured from a high-grade stainless steel.
B110208	2020-10-19. Service bulletin. Power Reduction, FC2A82 Intake VANOS and/or FC2A87 Exhaust VANOS Camshaft Fault: The ?Service Engine Soon? (MIL) lamp is illuminated and engine power reduction is perceived. This situation can occur after driving for some time with the engine at full operating temperature. If theignition is cycled, the engine then usually performs normally.
121412	2019-07-10. Service bulletin. N55 Engine: Various Faults Stored in DME Related to VANOS and Camshaft Position. A rattling noise can be heard from the engine compartment; the engine has a loss of power; and the Service Engine Soon lamp is illuminated. One or more of the following faults may be stored. E70, E71, E82, E88, E90, E92 and E93: 2D5A - VANOS, intake: control fault, camshaft sticking 2D5B - VANOS, intake: control fault, position not reached 2D60 - VANOS, exhaust: control fault, camshaft sticking 2D61 - VANOS, exhaust: control fault, position not reached 2D9F - camshaft input sensor: signal implausible 2DA1 - Camshaft exhaust sensor: signal implausible 300C - Camshaft input sensor: signal high 300D - Camshaft input sensor: signal low 300E - Camshaft exhaust sensor: signal high 300F - Camshaft exhaust sensor: signal low F07, F10, F12, F13 and F25: 130104 - VANOS, intake: control fault, camshaft sticking 130108 - VANOS, intake: control fault, position not reached 130304 - VANOS, exhaust: control fault, camshaft sticking 130308 - VANOS, exhaust: control fault, position not reached 130E11 - Camshaft input sensor: signal implausible 130F11 - Camshaft exhaust sensor: signal implausible 164020 - Camshaft input sensor: signal high 164021 - Camshaft input sensor: signal low 164030 - Camshaft exhaust sensor: signal high 164031 - Camshaft exhaust sensor: signal low CAUSE One or both (intake and/or exhaust) of the VANOS gear assemblies have failed; the attaching bolts may have also loosened and/or broken.
110208	2019-07-09. Service bulletin. "Power Reduction, FC 2A82 Intake VANOS and/or FC 2A87 Exhaust VANOS Camshaft Faults are Stored in DME. The ""Service Engine Soon"" (MIL) lamp is illuminated and engine power reduction is perceived. This situation can occur after driving for some time with the engine at full operating temperature. If the ignition is cycled, the engine then usually performs normally. The following faults are stored in the DME: * 2A82 VANOS intake - stiff; jammed mechanically * 2A87 VANOS exhaust - stiff; jammed mechanically * 130108 VANOS intake: control fault, position not reached * 130308 VANOS exhaust: control fault, position not reached For the N54 engine, the following secondary faults may also be stored: * 120408 Charge-air pressure control, cut-out: Boost pressure accumulation blocked * 3100 Boost-pressure control, deactivation - boost-pressure buildup prohibited CAUSE The VANOS faults can be caused by an insufficient oil pressure supply to the inlet VANOS adjustment unit. To effectively move the camshafts to the target positions in the specified time and under all engine conditions, sufficient oil pressure supply to the VANOS control pistons must always be available. If engine operation requires the VANOS system to quickly advance or retard the intake or exhaust camshaft, faults may be stored if the camshaft is ""late"", or does not reach the target position. In this situation, engine power may be reduced and a check control message is displayed. The consequential fault 3100 or 120408 can also be set in the DME fault memory as well."
B110616	2018-12-10. Service bulletin. N51, N52, N52K and N52T Engines: Various Eccentric Shaft Sensor Faults stored in the DME - Diagnostic Hints This Service Information bulletin and attachment supersedes SI B11 06 16 dated April 2016.. The customer may complain about one of the following: Rough engine running Engine cannot be started (crank no start) Check Engine Light illuminated One or more of the following faults may be stored in the DME: 2A37 - Valvetronic, eccentric shaft sensor plausibility 2A47 - Valvetronic, eccentric shaft, signal plausibility 134E08 - Eccentric shaft plausibility (on F10, F25 vehicles only) CAUSE The VVT eccentric shaft sensor connector, and/or DME connector may have oil contamination due to oil leakage at the VVT sensor gasket.
B110616	2018-12-10. Service bulletin. N51, N52, N52K and N52T Engines: Various Eccentric Shaft Sensor Faults stored in the DME - Diagnostic Hints. The customer may complain about one of the following: Rough engine running Engine cannot be started (crank no start) Check Engine Light illuminated One or more of the following faults may be stored in the DME: 2A37 - Valvetronic, eccentric shaft sensor plausibility 2A47 - Valvetronic, eccentric shaft, signal plausibility 134E08 - Eccentric shaft plausibility (on F10, F25 vehicles only) CAUSE The VVT eccentric shaft sensor connector, and/or DME connector may have oil contamination due to oil leakage at the VVT sensor gasket.
B122110	2018-12-10. Service bulletin. 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.
B070314	2018-12-10. Service bulletin. This Service Information bulletin supersedes SI B07 03 14 dated October 2015. Diagnosing Stored Fault Codes to Help Avoid Repeat Repair Visits. Fault codes stored in vehicles being serviced are not being diagnosed, leading to repeat repair visits (source- Analysis of FASTA data and repeat repair visit reports). INFORMATION Where diagnosis (vehicle or short test) with ISTA has already started, it is important to diagnose the fault code(s) listed below (when they are stored in the vehicle) to find their root cause during the current workshop visit. This will help lead to a reduction in workshop repeat repair visits and higher customer satisfaction.
121611	2018-12-03. Service bulletin. N55 Engine Failsafe - FC 120308 Boost Pressure Control, Plausibility: Pressure Too Low Stored in DME Fault Memory. INFORMATION The customer complains the SES is illuminated and the engine has reduced power (engine failsafe mode).