Model year guide

2018 BMW M240i

Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2018 BMW M240i is worth — from official NHTSA and EPA data. 13 on record.

2018 BMW M240i — representative photo
Representative photo · via Wikimedia Commons

2018 BMW M240i at a glance

Safety recalls2
Owner complaints2
Combined22–24 mpg

Included: that car's specs and build sheet, model-year recall campaigns and a fair price.

2018 BMW M240i recalls 2

Engine And Engine Cooling:engine NHTSA Campaign #18V465000 · 11/07/2018

BMW of North America, LLC (BMW) is recalling certain 2018 BMW 540d xDrive vehicles. The crankshaft sensor may be equipped with incorrect firmware, preventing the sensor from properly processing input from the crankshaft reluctor ring, possibly resulting in a vehicle stall. On September 12, 2018, BMW expanded the recall to a total of 5,309 vehicles including certain 2018-2019 BMW 540d xDrive, 230i M240i, M240i xDrive…

Fix: BMW will notify owners, and dealers will replace the crankshaft sensor, free of charge. The recall began September 6, 2018. Owners may contact BMW customer service at 1-800-525-7417.

Electrical System: Instrument Cluster/panel NHTSA Campaign #17V719000 · 15/11/2017

BMW of North America, LLC (BMW) is recalling certain 2018 230i, 230i xDrive, M240i, M240i xDrive, M2, and X3 xDrive 30i SAV vehicles. These vehicles may have an error in the software for the instrument panel, causing the display to not properly illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 101, "Control and Displays."

Fix: BMW will notify owners, and dealers will update the instrument cluster display software, free of charge. The recall is expected to begin January 8, 2018. Owners may contact BMW customer service at 1-800-525-7417.

Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.

2018 BMW M240i common problems

The most-reported problem areas across all 2 owner complaints filed with NHTSA — and what to check before you buy.

Electrical System
Test every electrical feature: windows, locks, infotainment, charging and all lights. Watch for flickering, dead accessories or warning lights.
Exterior Lighting
Confirm all headlights, brake lights, turn signals and reverse lights work, with no moisture inside the housings.

2018 BMW M240i MPG & running costs

Combined22–24 mpg
City20 mpg
Highway29 mpg
Est. annual fuel cost$3,517
EPA size classSubcompact Cars
TransmissionAutomatic (S8) or Manual 6-spd
Forced inductionTurbocharged
Engine start-stopYes
Passenger volume89 cu ft
Cargo volume10 cu ft
5-yr fuel cost vs average new car$5,583 more

Source: U.S. EPA / DOE fueleconomy.gov. The EPA lists 6 versions of this model year; combined is shown as a range and the other figures are averages.

Estimated 5-year cost to own

A rough guide to what running a 2018 BMW M240i costs over five years and 75,000 miles.

Fuel (5 yrs)$17,585
Fuel only$17,585
Per mile$0.23

How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.

Investigations & service bulletins

Manufacturer service bulletins 166

Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 166.

PRESSURE CONTROL VALVE (PCV) EXTENDED LTD WTY 15 YEARS/150,000 MILES

Bulletin B011423 · Engine And Engine Cooling · Nov 2023

Functional noises (squealing/honking) when braking shortly before the vehicle comes to a stop. CAUSE Material-

Bulletin B340714 · Service Brakes, Hydraulic · Oct 2023

After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.

Bulletin B651523 · Electrical System · May 2023

The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE (VoLTE) function. For this purpose, the SIM card must perform an IMS registration in t…

Bulletin B840822 · Electrical System, Equipment · Mar 2023

After an automatic engine start (MSA start), the transmission intermittently goes into the Park "P" or Neutral "N" position without any customer influence.

Bulletin B122519 · Power Train · Dec 2022

The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609 (as of 7/2012 production). This uses map North America NEXT. The Headunit High 2 (HU-H2), also called NBT-EVO, superseded t…

Bulletin SIB651312 · Electrical System · May 2022

Component and Issue Specific Limited Emission Warranty Extension. This component-specific limited emission warranty extension applies to defects in materials or workmanship.

Bulletin B58N20N55S55 · Equipment · Apr 2022

Component and Issue Specific Limited Emission Warranty Extension. This bulletin is notice of a limited emission warranty extension. This is NOT a notice of a Recall or Service Action. There is no immediate repair required unless the BMW vehicle is currently ex…

Bulletin B010722 · Fuel System, Gasoline, Exterior Lighting · Apr 2022

The quick disconnect coupling on the cylinder head coolant vent line could break at the cylinder head. This would lead to loss of coolant from the engine.

Bulletin B170121 · Engine And Engine Cooling, Fuel System, Gasoline · Apr 2022

The quick disconnect coupling on the cylinder head coolant vent line could break at the cylinder head. This would lead to loss of coolant from the engine.

Bulletin B170121 · Engine And Engine Cooling, Fuel System, Gasoline · Feb 2022

Source: NHTSA Office of Defects Investigation, listed for the M240I. Model-year data, not specific to one car.

2018 BMW M240i trims & engines on record

Trims
M240i
Engines
3.0L 6-cyl 335 hp

2018 BMW M240i vehicles on record

Other BMW M240i model years

2018 BMW M240i — frequently asked questions

Does the 2018 BMW M240i have any safety recalls?

NHTSA lists 2 recall campaigns for the 2018 BMW M240i. Whether an individual car still needs a recall repair depends on its VIN — check it on NHTSA.gov or ask a franchised dealer. Recall repairs are done at no charge.

What are the most common problems with the 2018 BMW M240i?

Across all 2 owner complaints filed with NHTSA, the most-reported problem areas are electrical system, exterior lighting.

What gas mileage does the 2018 BMW M240i get?

The 2018 BMW M240i has U.S. EPA estimates of 22–24 mpg combined, depending on engine and trim (6 versions).

Sources: NHTSA (recalls, complaints, crash tests), U.S. EPA (fuel economy). Vehicle data only — CarLogs never shows owner information.