Used Cars New Cars Used Bikes New Bikes Spare Parts News Car Reviews
Home/BMW/M440i

BMW M440i

Petrol Coupe 2021–present 374 hp Germany

The BMW M440i xDrive is the M Performance flagship of the G22 4 Series — combining the B58 3.0-litre twin-turbocharged inline-six with a 48V mild-hybrid system, standard xDrive all-wheel drive, full M Sport hardware, and blue M Performance branding to create a compelling middle ground between the 440i and the full M4.

B58 3.0L TT I6 + 48V
Engine
374 hp
Peak Power
4.7 sec
0–100 km/h
xDrive (standard)
Drivetrain

Overview

The M440i xDrive sits at the top of the G22 4 Series lineup as an M Performance car — one step below the full M4 Competition but a significant step above the 440i in equipment, dynamics, and visual presence. It uses the B58 3.0-litre twin-turbocharged inline-six shared with the 440i but configured identically to the M440i specification with 374 hp, aided by the 48V mild-hybrid system that provides additional torque smoothing and a small fuel economy benefit during light-load cruising.

The M Performance designation on the M440i means it is not developed by BMW M GmbH — it is an M Performance product, sitting in the same category as the M340i, M240i, and M135i. However, it benefits from M Sport suspension with specific spring and damper tuning, variable sport steering, M Steptronic 8-speed transmission, M Sport brakes, and the standard M xDrive with a rear-wheel-drive mode. The M440i can be set to rear-wheel-drive-only operation via the M setup, which adds significant dynamic versatility.

For Azerbaijan buyers, the M440i xDrive represents the most balanced 4 Series proposition. Standard xDrive AWD provides confidence on all road surfaces, the B58 engine is reliably supported at BMW Baku, and the M Performance package adds genuine dynamic improvement over the standard 440i without the maintenance complexity of the full M4. The M440i also has better day-to-day livability than the M4 Competition thanks to softer spring rates and less aggressive tyre compounds.

M440i in Pictures

Exterior design, cabin layout, and real-world use reference images. Broken links gracefully fall back to text tiles.

Key Specifications

  • Engine: B58B30O1 3.0L twin-turbocharged inline-six with 48V belt-starter-generator mild hybrid
  • Power: 374 hp at 5,800–6,500 rpm; 500 Nm from 1,900–5,000 rpm
  • 0–100 km/h: 4.7 seconds
  • Transmission: M Steptronic 8-speed with Drivelogic paddle control
  • Drivetrain: xDrive all-wheel drive standard; RWD-only mode available via M setup
  • Suspension: M Sport suspension with specific spring and damper rates; Adaptive M Suspension optional
  • Brakes: M Sport compound discs with four-piston fixed M Sport calipers at front
  • Distinguishing features: blue M badges, M aerodynamics kit, M leather multifunction steering wheel

Variant Comparison

VariantEnginePower0–100 km/hBest For
440i xDrive (G22)B58 3.0L TT I6 + 48V374 hp4.9 secStandard six-cylinder coupe
M440i xDrive (G22)B58 3.0L TT I6 + 48V374 hp4.7 secM Performance — full M Sport hardware
M440i Gran Coupe (G26)B58 3.0L TT I6 + 48V374 hp4.7 secFour-door M Performance GT
M4 Competition xDrive (G82)S58 3.0L TT I6510 hp3.5 secFull M — track-focused step up

Competitor Snapshot

Competitor choice in Azerbaijan should account not only for headline specs, but for service ecosystem, parts availability, and ownership confidence over your actual routes.

ModelCore StrengthMain Compromise (Local Context)
Audi S5 Coupe (B9)Standard Quattro AWD, 354 hp V6 TFSI, excellent build quality and CIS market supportS5 is heavier and less adjustable in dynamics; no RWD mode or equivalent M-tuned chassis
Mercedes-AMG C53 / C43 AMG (W206)AMG brand identity, strong performance, broad dealer footprint in BakuC43 AMG (W206) uses turbocharged 4-cyl — less character than M440i B58 inline-six
Porsche 718 Cayman GTS 4.0Dramatically superior chassis, naturally aspirated character, Porsche residualsTwo-seat only; significantly more expensive; no practical daily use without luggage compromise
Kia Stinger GT (CK)Outstanding value performance, practical 5-door body, strong V6 powerKia brand not represented at equivalent prestige tier in Azerbaijan market

Repair & Service in Azerbaijan

BMW has an established service presence in Baku through authorised dealerships and independent specialists familiar with the brand. Parts supply for common maintenance items is generally reliable, though specialist components for performance models and older generations may require additional lead time.

  • B58 oil service: the M440i requires the same BMW LL-01 approved oil as all B58 applications — do not extend drain intervals beyond 15,000 km regardless of OBC indication in high-performance use
  • Variable sport steering rack: the EPS steering system on the M440i can develop minor software faults with age — verify steering calibration and check for any judder feedback through the wheel
  • M Steptronic 8-speed: the transmission maps are M-specific with faster shift logic; a transmission fluid service at 80,000 km maintains shift quality and clutch engagement precision
  • Front subframe mounts: M Sport suspension geometry places increased loads on the front subframe mounts — inspect for any cracking or separation at 80,000+ km
  • Spark plugs: replace at 60,000 km with OEM iridium plugs; the B58 in M tune is sensitive to plug condition for consistent boost response
  • 48V battery health: the 48V lithium buffer battery in the mild-hybrid system should be checked via BMW diagnostics at each major service

Ownership Cost Estimator (Azerbaijan)

Adjust these values for your driving profile. All figures are estimates for planning purposes only.

  • Estimated annual fuel consumption: 1800 L
  • Estimated annual fuel cost: $1260
  • Total annual ownership estimate: $7360
  • Average monthly ownership estimate: $613
  • M440i fuel consumption: 9–12 L/100km in mixed use; the 48V mild hybrid system recovers energy under braking and assists acceleration, providing a small but measurable benefit in urban cycles
  • RON 98 is strongly recommended for the M440i — with 374 hp, the B58 in M tune benefits from premium fuel for optimal combustion and full power delivery
  • M Sport brakes: the M Sport caliper and compound pairing on the M440i wears faster than standard 4 Series items; budget for pad replacement at 40,000–50,000 km
  • 48V system: the belt-starter-generator eliminates conventional alternator drain and provides engine start smoothing; this system is reliable but requires dealer diagnostic access for fault diagnosis
  • Tyre wear: the M440i's xDrive system with rear-biased torque in Sport mode places additional load on rear tyres — expect 25,000–35,000 km from rear tyres in mixed driving

Used M440i Buying Checklist

Inspect each point thoroughly before committing to a purchase. Request service records, VIN validation, and any recall completion documentation.

  • M-specific diagnostics: request a BMW dealer diagnostic scan — M Performance models have additional fault monitoring for adaptive chassis, xDrive torque vectoring, and M Steptronic
  • RWD mode verification: confirm RWD-only mode can be engaged via the M setup screen — this requires specific software to be active
  • Brake condition: M Sport calipers and discs — measure rotor thickness and pad depth; scoring indicates demanding use
  • Tyre specification: verify OEM tyre fitment and remaining depth on all four corners; mismatched tyres on xDrive can affect AWD calibration
  • Oil consumption baseline: check oil level; B58 in high-performance M tune can consume slightly more oil than standard 440i — establish a consumption rate
  • iDrive 8 electronics: test all M-specific menus including M xDrive setup, variable steering firmness, and launch control enablement
  • Chassis consistency: test on varied road surfaces — any vibration through the steering at 80–120 km/h can indicate wheel balance or suspension issues
  • Service continuity: M440i is a performance-oriented car; full BMW dealer stamped history provides confidence the car has been properly maintained

M440i FAQ — Azerbaijan Buyers

M440i or M4 — which is the better choice for an everyday driver in Azerbaijan?

For most buyers who drive daily in Baku and occasionally on motorways, the M440i is the more practical, less costly, and more comfortable choice. It has standard xDrive AWD for variable road conditions, a softer daily-use chassis tune compared to the M4 Competition, and B58 running costs that are substantially lower than the M4's S58. The M4 is definitively the better performance car on a circuit or spirited mountain road. The M440i is the better everyday companion.

What is the practical difference between the 440i xDrive and M440i?

The M440i and 440i xDrive share the same engine output (374 hp, B58 mild hybrid) and the same xDrive AWD system. The differences are the M440i's M Sport suspension with specific spring and damper rates, M Sport compound brakes, variable sport steering, M Steptronic transmission mapping, RWD-only mode availability, and the M aerodynamic exterior package. On the road, the M440i has a noticeably more planted and communicative feel. The gap is real but the 440i xDrive is no embarrassment.

Is the 48V mild hybrid system a concern for long-term ownership?

The 48V mild hybrid in the G22 M440i is a relatively simple system — a belt-starter-generator and a small 48V battery buffer. It does not drive the car electrically and does not have a complex high-voltage drivetrain. The main risk is the 48V battery degrading over time, but this is a sealed unit with a long design life. BMW Baku can diagnose and service it. For buyers in the used market, checking the system via diagnostics is advisable but it is not a primary concern.

Should You Buy the BMW M440i?

The M Performance 4 Series flagship — xDrive, B58, and M Sport hardware in the ideal daily sports coupe package.

The BMW M440i xDrive is one of the most compelling positions in the 4 Series range. It provides the full M Performance hardware upgrade over the 440i — sport suspension, M brakes, variable steering, and RWD mode — while retaining the B58's excellent reliability record and standard xDrive for all-weather confidence. In Azerbaijan, it is better supported than the M4 and more engaging than the 430i. For buyers who want 90% of the M4 experience at a lower buy-in and running cost, the M440i is the answer.

Shop BMW M440i on BakuWheels

Browse available BMW listings — compare specs, condition, and pricing before you buy.

Browse BMW Listings
We use cookies

BakuWheels uses cookies to improve your experience, analyse site traffic, and personalise content. By clicking Accept All, you consent to our use of cookies. Learn more in our Cookie Policy.