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Service bulletins for the 2018 BMW 540d

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.

362 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
B1301192019-03-18. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE. PROLONGED ENGINE CRANK WHILE STARTING (B57O). 1. The engine can sporadically crank for a prolonged period during a cold or hot start 2. The malfunction indicator lamp (MIL) may be illuminated. 3. Any of the following fault memory entries may be stored in the DDE 2E0600; 26CF00; 259800; 259E00.
B1101192019-03-18. Service bulletin. ENGINE. ENGINE VIBRATIONS OR NOISE. One of the following complaints may be reported The engine runs erratically; The engine causes vibrations when running; Grinding noise from the engine compartment when engine is running.
B1202192019-02-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. SERVICE ACTION: CBS DATA MAY NOT BE DISPLAYED. Incorrect activation of the Condition Based Service (CBS) data may cause the engine oil information to not be displayed. A software error in the Digital Motor Electronics (DME).
B1107172019-02-25. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE. FAULT 118002 - MIXTURE TOO RICH SETS DURING WINTER WITH COLD AMBIENT TEMPERATURES. The Service Engine Soon (MIL) light is on with the following fault stored in the Digital Motor Electronics (DME). Fault: 118002 - Mixture too rich In the situation being described.
B1119182019-01-07. Service bulletin. ENGINE AND ENGINE COOLING. A Delivery Stop has been issued (effective November 16, 2018) on Model Year 2019 BMW 5 Series, 7 Series and X5 SAV vehicles that have been produced between June 29, 2018 ? September 10, 2018. The issue involves the oil-to-water heat exchanger which can start to leak. Approximately 285 vehicles are affected by this delivery stop.
B1114182018-12-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. ?SERVICE ACTION: N63R ENGINE - CHECK AND REPLACE OIL FEED LINES AND THE MAP THERMOSTAT ELECTRICAL CONNECTOR. This bulletin describes the procedures to inspect and if necessary replace the following components: * Turbo charger oil feed lines (leaking) * Map thermostat and electrical harness (corrosion) Also, make sure that Service Bulletin B12 24 18 Service Action: Program Control Units, is completed when performing this Service Action.
B1111172018-12-03. Service bulletin. ENGINE. ?ENGINE LEAK DIAGNOSIS ON TURBOCHARGED V8 ENGINES. When diagnosing an engine oil leak or a coolant leak on turbocharged V8 engines it is necessary to use a borescope to identify if the source of the leak is from under the turbochargers. Engine oil or coolant leaking from the bell housing area or the front timing chain cover area may be caused by the turbocharger itself, a turbocharger oil/coolant feed line or turbocharger oil/coolant return line. Do not remove the transmission and do not dissemble the engine before performing this inspection. If necessary, use engine oil leakage detection dye.
B1209182018-11-26. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. NOISE FROM ENGINE WHEN STARTING. Noise when starting the engine. Engine making a rattling/grinding noise near the 12 volt starter motor. The following fault has been stored in the DME fault memory: * 21A511 - Start system, pinion starter motor: Timeout The following faults are also possible: * 21A504 - EGS, separation clutch: jammed open * 21A50A - Start system, pinion starter: Timeout successively occurred multiple times * 21A510 - Start system, EME: Timeout Consequential damage to flywheel (Torsional vibration damper) and automatic transmission may have also occurred. The starter motor is broken. It may be indicated by:
B1114182018-11-26. Service bulletin. ENGINE; ELECTRICAL SYSTEM. SERVICE ACTION: N63R ENGINE - CHECK AND REPLACE OIL FEED LINES AND THE MAP THERMOSTAT ELECTRICAL CONNECTOR. This bulletin describes the procedures to inspect and if necessary replace the following components: * Turbo charger oil feed lines (leaking) * Map thermostat and electrical harness (corrosion) Also, make sure that Service Bulletin B12 24 18 Service Action: Program Control Units, is completed when performing this Service Action.
B1113182018-11-26. Service bulletin. ENGINE. SERVICE ACTION: N63R ENGINE - CHECK AND REPLACE OIL FEED LINES AND THE CHARGE AIR COOLERS. This bulletin describes the procedures to inspect and if necessary replace the following components: * Turbo charger oil feed lines (leaking) * Charge air coolers (corrosion)
B1704182018-11-26. Service bulletin. ENGINE AND ENGINE COOLING. DELIVERY STOP. LOW TEMPERATURE COOLANT SYSTEM.A Delivery Stop has been issued (effective October 16, 2018) on Model Year 2019 BMW 5 and 7 Series vehicles that have been produced from September 13-14, 2018. There is a possibility that the affected vehicles do not have the correct amount of coolant in the low-temperature coolant system. Approximately 3 vehicles are affected by this delivery stop that have already been delivered to dealers. Affected vehicles show the campaign as ?Open? when checked either in Warranty Vehicle Inquiry, AIR or ISPA Next and identified with the description: STOP013433 B170418 Delivery Stop: Low Temperature Coolant System. The bulletin will be updated with more information when it becomes available.
B6128172018-11-05. Service bulletin. ENGINE AND ENGINE COOLING. "SME FAULT CODE 21F04B. One or several of the following check control messages (CCM) may be displayed: ""Engine fault! Power loss"" (CCM-ID: 29) ""Powertrain malfunction!"" (CCM-ID: 633) ""Hybrid system malfunctioning!"" (CCM-ID: 585) Note: The fault code 21F04B stated below may also be entered without any of the above mentioned CC messages being displayed A timing problem between the SME and the cell supervision circuit (CSC)."
B6134172018-11-05. Service bulletin. ENGINE AND ENGINE COOLING. "SERVICE ACTION: PROGRAM CONTROL UNITS (GWS). After the engine start-up, gear (Drive or Reverse) cannot be selected. Message ""No drive position change possible"" is displayed in the CC display. Gear can be selected only after vehicle goes through the sleep cycle. Unfavorable GWS gear shifter software"
B4103172018-11-05. Service bulletin. ENGINE. SERVICE ACTION: WATER INGRESS BENEATH LUGGAGE COMPARTMENT. Possible water leakage into luggage compartment through PVC weld on floor. Accumulation of water in luggage compartment may not be noticed due to drain location in the vicinity. Manufacturing process change moved PVC weld on underside of vehicle, beneath luggage compartment.
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.
B1211182018-05-21. Service bulletin. ENGINE. B57O - ROUGH RUNNING WITH CRANKSHAFT AND ZERO-QUANTITY ADAPTATION FAULTS: The Malfunction Indicator Lamp (MIL) is illuminated and the engine may run roughly while idling and accelerating.

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