Home › Service bulletins › SIB 12 16 15

SIB 12 16 15: Catalytic converter check engine light

Catalytic converter check engine light on N63 engines (2009–2016); BMW gives diagnosis and repair guidance.

BMW service bulletin · NHTSA ID 10147665 · Mar 2015 · also written SI B12 16 15, B121615

What it covers

A service bulletin tells BMW technicians how to diagnose or fix a known issue. It is not a recall: a repair under a bulletin is normally paid by the owner unless the car is still under warranty or a warranty extension applies.

N63T: Oxygen Sensor Internal Resistance Faults. The Service Engine Soon light comes on with either or both of the following faults stored in the DME memory: ? 12B701 - Oxygen sensor heating after catalytic converter, function: Internal resistance too high ?

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 12 16 15
Also written: SI B12 16 15, B121615, 12 16 15, SIB-12-16-15, SI B121615
NHTSA ID10147665
Document IDs filedB121615
TypeService bulletin
Date
Models1 Series M, 550i, 550I Gran Turismo, 650i, 750i, 750LI, ActiveHybrid 7, ACTIVEHYBRID 7, X5
Model years2009–2016
ChassisE60, E82, F01, F02, F06, F07, F10, F12, F13, F15
EnginesN63
Component (NHTSA)Engine
Engine And Engine Cooling › Exhaust System › Emission Control › Catalytic Convertor

Model, year and engine coverage comes from NHTSA's records. Not every car in this range is affected; the official document lists the exact production dates and conditions.

Related bulletins

Before you pay: check your VIN for recalls

Some failures are covered by a safety recall or a warranty extension. Our free recall check lists NHTSA recalls for your car's model and year.

Check recalls by VIN →

Source: NHTSA Manufacturer Communications (public data). BimmerBench is not affiliated with BMW or NHTSA. The title and description above are our own plain-English summary; the full bulletin is BMW's document, linked above.