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Service bulletins for the 2017 BMW 230i

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.

248 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
B1209162018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. N20 - The Service Engine Soon Light is On with DME Fault 118602 Stored. The Service Engine Soon light is on (MIL) with only the following oxygen sensor fault stored. 118602 - Oxygen sensor before catalytic converter, fine mixture control: exhaust gas after catalytic converter too lean CAUSE An actual engine related problem and/or DME software diagnostic
B1233142018-12-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; POWER TRAIN. This Service Information bulletin supersedes SI 12 33 14 dated December 2015. SUBJECT Fault Code 1D2008 Stored in DME. The Service Engine Soon light is on. Fault Code 1D2008: Map thermostat: jammed open is stored in the DME. There may also be a complaint of low heat output with lower outside temperatures. CAUSE During the engine warm-up, the engine coolant does not reach operating temperature within the DME's allowable time limits. This is caused by either a faulty thermostat inside the transmission oil heat exchanger or a faulty engine characteristic map thermostat.
B1210172018-11-26. Service bulletin. ENGINE. "ENGINE IDLE TOO HIGH AT OPERATING TEMPERATURE. Primarily when vehicle is at altitudes higher than 5000' above sea level, and engine is at operating temperature, the idle is sporadically elevated (up to approx. 1200 rpm). MIL indicator is illuminated. Fault code 1E0001 - ""Idle speed control: Speed too high"" is stored in DME. DME software error"
B1209162018-11-13. Service bulletin. ENGINE AND ENGINE COOLING. N20 - The Service Engine Soon Light is On with DME Fault 118602 Stored. The Service Engine Soon light is on (MIL) with only the following oxygen sensor fault stored. 118602 - Oxygen sensor before catalytic converter, fine mixture control: exhaust gas after catalytic converter too lean CAUSE An actual engine related problem and/or DME software diagnostic.
B5116152018-11-05. Service bulletin. EQUIPMENT:OTHER:LABELS; ENGINE. "Delivery Stop: Remove Engine Oil Label. Affected vehicles in dealer inventory must not be retailed or delivered until the label is removed. Vehicles at ports of entry will be remedied prior to dealer delivery. On affected vehicles, there is an incorrect label regarding the appropriate engine oil. Affected vehicles can be identified with a ""Vehicle Comment"" in the DCS Warranty Vehicle Inquiry or ISPA Light. https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/248...9/3/2016 Page 2 of 2"
B1228162018-11-05. Service bulletin. ENGINE. "DME Electrical Wastegate Valve Faults - Adaptation Limit Positions Not Detected. Engine runs with reduced power. Emissions warning lamp lights up. One or more of the following faults are entered in the DME fault memory. 123411 ""Electrical wastegate valve, limit position teach in: End stop (wastegate valve open) not found 123412 - Electrical wastegate valve, limit position teach in: End stop (wastegate valve open) not found Other consequential faults that also may be stored: 123401 - Electrical wastegate valve, adaptation: Cold start not learned 123437 - Electrical wastegate valve: Jammed closed Problems with electromagnetic compatibility (EMC). The PWM actuation (PWM = pulse-width-modulated) of the heat management module causes a fault condition on the 5V supply line of the electrical wastegate valve controller. This leads to a fault on the position sensor signal of the electrical wastegate valve controller."
B1303152018-11-05. Service bulletin. ENGINE AND ENGINE COOLING. N20, N26, N55, N63TU, S63TU and S55 Engines: Bosch Injector ETK Part Number Error What's New: ? Procedure change: indentifying injector type using an ISTA test plan. . The current version of the ETK incorporates multiple part number errors for the Bosch type injectors. Ordering the injectors by VIN number or manual identification in ETK may result in an incorrect part number.
B1204182018-10-09. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. BUZZING NOISE FROM VALVETRONIC MOTOR BEFORE OR AFTER ENGINE OPERATION: Buzzing noise may be heard from the Valvetronic motor when the vehicle is unlocked, before the engine is started, or after the engine is turned off.
B1207182018-05-21. Service bulletin. ENGINE. DME FC 1C0102 IS STORED WITH NO OTHER RELATED FAULTS: The following fault has been stored in the Digital Motor electronics (DME) fault memory with no other engine oil pressure faults stored.
B1710172018-05-14. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE ACTION: CHECK COOLANT FREEZING PROTECTION LEVEL: The coolant freeze point protection may be too low (coolant will freeze sooner than specified)
B1115172018-05-14. Service bulletin. ENGINE AND ENGINE COOLING. B46/48 ENGINE: OIL LEAK FROM TURBOCHARGER RETURN LINE: Exhaust turbocharger, oil return line leaking at connection to turbocharger.
B1207182018-04-23. Service bulletin. ENGINE AND ENGINE COOLING. DME FC 1C0102 IS STORED WITH NO OTHER RELATED FAULTS: The following fault has been stored in the Digital Motor electronics (DME) fault memory with no other engine oil pressure faults stored:
B1204182018-04-23. Service bulletin. ENGINE AND ENGINE COOLING. BUZZING NOISE FROM VALVETRONIC MOTOR BEFORE: Buzzing noise may be heard from the Valvetronic motor when the vehicle is unlocked, before the engine is started, or after the engine is turned off.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.