BMW›840i›2023›Overview/bmw/840i/2023/base/

2023 BMW 840i

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2023 840i.

Transmission Automatic (S8)

The 2023 BMW 840i Overview pairs an automatic S8 transmission with EPA-estimated fuel economy of 21 mpg city, 29 highway, and 24 combined. As the most recent model year in the 8 Series lineage, its long-term reliability record is still taking shape, meaning prospective researchers will find limited historical data specific to this iteration.

Model year2024 2023

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Lug nut torque103.0 ft-lbsOEM · verified

EPA fuel economy21/29/24 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses OE oil filter 11428583896. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Tail / brake / turnLAMPOEM · verified

Tire size19": Front: 245/40R19/XL 98H, Rear: 275/35R19/XL 100H; 20": Front: 245/35R20/XL 95Y, Rear: 275/30R20/XL 97YOEM · verified

Wheel / rim8, Rear: 9 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter	11428583896 alt 11427826799
Engine air filter	13718577170
Spark plug	12122455258
Battery	61216806755 alt 61215B3F325
Front wiper blades	61619478909
Thermostat	11539494425 alt 11539494424
Cabin air filter	64115A29D99 alt 64115A1BDB6

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

Transmission

Automatic (S8)

Ratings & economy EPA / vPIC

EPA city / highway / combined	21 / 29 / 24 mpg
Drivetrain	Rear-Wheel Drive
Recommended fuel	Premium Gasoline

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the 840i of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

4.4–4.7 sec0–60 mph (tested)quickest 4.40 sec — 2020 xDrive Gran Coupe (M Sport)

Year	Trim / engine	0–60	¼ mile	HP	Drivetrain
2020	xDrive Gran Coupe (M Sport) 3.0L Turbo I-6	4.40 sec	13.00 sec	335 hp	AWD
2020	Gran Coupe (M Sport) 3.0L Turbo I-6	4.70 sec	13.30 sec	335 hp	RWD

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

Torque lug nuts to 103.0 ft-lbs.

Chassis torques

Lug Nuts

103.0 ft-lbs

Factory maintenance schedule OEM · verified

This vehicle uses condition-based service — it signals maintenance needs through its onboard service indicator rather than fixed mileage intervals. Items on the factory schedule:

Replace	Engine Oil Filter · Spark Plugs · Engine Oil · Keyless Entry Remote Battery · Cabin Air Filter · Engine Air Filter Element
Inspect	Windshield Washer System · Parking Brake System · Underbody · Brake Line · Disc Brake Caliper · Brake Rotor · Air Bag System · Exterior Lighting
Road test	Universal Vehicle Operation
Inspect Fluid Level	Engine Coolant System
Reset	Tire Pressure Monitoring System
Drain, Refill & Bleed	Brake Hydraulic System

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

Open recalls

NHTSA campaigns

Service bulletins

Manufacturer communications

ODI investigations

Office of Defects Investigation

Owner complaints

0 involved a crash · 0 a fire

No owner complaints on record with NHTSA for this vehicle.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

23V099000Visibility:Power Window Devices And ControlsReported 17/02/2023

BMW of North Americal, LLC (BMW) is recalling certain 2023 8 Series Coupe (840i, 840i xDrive, M850i xDrive, M8), 8 Series Convertible (840i, 840i xDrive, M850i xDrive, M8), 8 Series Gran Coupe (840i, 840i xDrive, M850i… Remedy: Dealers will update the software for the Electronic Control Unit (ECU), free of charge. In addition, the digital key function via cellular service and Wi-Fi capability will be…

25V644000Electrical System:Starter AssemblyReported 25/09/2025

BMW of North America, LLC (BMW) is recalling certain 2020 340I, X6, 2020-2025 840I, 2020-2022 740LI, 2019-2020 X7, and X5 vehicles. After repeated attempts, the starter motor may overheat from an electrical overload. Remedy: Dealers will replace the engine starter, free of charge. This recall includes vehicles repaired under recall 24V576 and those owners will need to have their vehicle repaired…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420

Catalyst system efficiency below threshold — Bank 1

P0300

Random / multiple cylinder misfire detected

P0171

System too lean — Bank 1

P0455

Evaporative emission system leak detected — large leak

P0128

Coolant thermostat below regulating temperature

P0442

Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN

Decode a VIN to confirm the transmission and build data for a specific 840i. OEM

Build data

Plant, GVWR class, engine and body data for any 17-character VIN.

Recalls

Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Engine oil filter 11428583896 Engine air filter 13718577170 Spark plug 12122455258 Battery 61216806755

Reference guides

Cross-vehicle references for the kinds of data on this page.

Vehicle recalls & TSBs OBD-II trouble codes Maintenance schedules Fluid capacities & specs

Frequently asked

Does the 2023 840i have open recalls?

NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the 840i get?

EPA figures are 21 city / 29 highway / 24 combined mpg.