model year

2023 BMW X3 M40i configuration 45545

Official US catalog configuration for the 2023 BMW X3 M40i: 3L 6-cylinder Premium Gasoline SIDI; Mild Hybrid, Automatic (S8), All-Wheel Drive.

Claim-level evidence reviewed Reviewed 8/27/2026

answer

Exact catalog configuration

FuelEconomy.gov identifies this as configuration 45545 for the 2023 BMW X3 M40i. The catalog row specifies 3L 6-cylinder Premium Gasoline SIDI; Mild Hybrid, Automatic (S8), All-Wheel Drive, and Premium Gasoline. This is a configuration record, not a statement that every vehicle sold under the same model name has this powertrain.

make
BMW
model
X3 M40i
engine
3L 6-cylinder Premium Gasoline SIDI; Mild Hybrid
source
FuelEconomy.gov vehicles.csv
fuelType
Premium Gasoline
cylinders
6
modelYear
2,023
drivetrain
All-Wheel Drive

SOURCES

applicability

Engine, transmission, and generation fields

Engine: 3L 6-cylinder Premium Gasoline SIDI; Mild Hybrid. Transmission: Automatic (S8). Drive: All-Wheel Drive. Fuel: Premium Gasoline. Vehicle class: not specified. Generation label: Catalog span 2018–2024. The generation basis is catalog_span, which means contiguous catalog coverage and not an asserted OEM chassis-generation boundary.

make
BMW
model
X3 M40i
engine
3L 6-cylinder Premium Gasoline SIDI; Mild Hybrid
source
FuelEconomy.gov vehicles.csv
fuelType
Premium Gasoline
cylinders
6
modelYear
2,023
drivetrain
All-Wheel Drive

diagnosis

How to use this configuration

Match the VIN, emissions label, engine identifier, transmission, drivetrain, and build information before ordering a part or applying a diagnostic procedure. FuelEconomy.gov configuration IDs describe catalog variants; they do not prove the equipment installed on an individual vehicle.

individualVehicleClaim
No
vinVerificationRequired
Yes

methodology

Source and update method

This page is generated from one exact row in the official FuelEconomy.gov downloadable vehicle dataset. Car Trouble Lab stores the source vehicle ID and row digest, and republishes a new reviewed snapshot when the source facts change.

source
FuelEconomy.gov
rowSha256
5382225751f780b9437220beb603ba4a3568cb1553893c9ca3c8f1a526531d7d
sourceVehicleId
45545