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BMW · Luxury · 2017–2023

BMW M5 F90

Weaknesses, engine ratings and buying advice

★★★★★
3.7 / 5.0 · Based on 6 engine variants
Most Fun Engine

600–625 PS

4.4L V8 Biturbo Benzin

600 hp, rear-wheel mode, last pure V8 M5

Legendary!
Most Reliable Engine

530 PS

4.4L V8 Biturbo Benzin

5 weaknesses

Good Choice

Generations

Engine Overview

The BMW M5 F90 is available with 2 engine variants — from 286 to 660 hp.

4.4L V8 Biturbo · Benziner· 600 PS
2017 2023
Be Careful 8 weaknesses
Show all weaknesses →
M5 CS · Benziner· 635 PS
2021 2023
Be Careful 8 weaknesses
Show all weaknesses →

The BMW 4.4L V8 Biturbo (Benziner, 600 PS) has the S63B44T4 (4.4L V8 Biturbo) — rated: "Be Careful", 8 known weaknesses.

The BMW M5 CS (Benziner, 635 PS) has the S63B44T4 (4.4L V8 Biturbo) — rated: "Be Careful", 8 known weaknesses.

Vehicle Weaknesses

WeaknessCost
!Front subframe bolts loose — front clunking

Loose bolts on the front subframe cause clacking from the front axle. Retorquing the subframe bolts resolves the problem.

Symptoms: Hollow clacking from the front axle over transverse grooves and during compression/rebound.
from 30,000 km
Ad F90 M5 Vorderachsträger Bolzen
 Low
!Adaptive M shock absorbers — oil leakage and fault condition

Adaptive dampers can lose oil or generate faults through wiring defects. System then locks into the hardest setting. Increased wear with track day use.

Symptoms: Permanently very hard ride, chassis control restricted fault message, no mode change possible.
from 80,000 km
Ad F90 M5 adaptive damper37106877553
 High
NHTSA Owner Complaints
Above Average
16 complaints · 2017–2023
Engine
7
Powertrain
4
Other
3
Fuel System
3
Engine & Cooling
2

Top Reported Issues

⚠ Engine (7 complaints)
⚠ Powertrain (4 complaints)
⚠ Other (3 complaints)
Source: NHTSA (nhtsa.gov) · 2026-03

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Known Problems and Issues

A total of 47 weaknesses have been documented for the BMW M5 F90 (2017–2023) — 42 engine-related and 5 vehicle-related. Typical issues affect Suspension, Gearbox, Brakes, Electronics. Considered reliable: BMW-Gen5-Dual (Elektromotor Gen5 Dual), N63B44TU3 (4.4L V8 Biturbo).

M5 (S63B44T4, 2017–2023) — Be Careful: Connecting rod bearing wear (mitigated), High-pressure fuel pump (HPFP) failure, Turbo coolant lines V-valley heat damage. Power: 600 PS.

M5 (S63B44T4, 2021–2023) — Be Careful: Connecting rod bearing wear (mitigated), High-pressure fuel pump (HPFP) failure, Turbo coolant lines V-valley heat damage. Power: 635 PS.

What to watch out for with the BMW M5? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the BMW M5 F90 have? +
The BMW M5 F90 has 42 known engine weaknesses and 5 vehicle weaknesses.
What should I look for when buying a used BMW M5 F90? +
faq.watch_a_solid
Which engine is recommended? +
Good choice: BMW-Gen5-Dual (Elektromotor Gen5 Dual), N63B44TU3 (4.4L V8 Biturbo). The most reliable engine is the N63B44TU3 (4.4L V8 Biturbo) with the lowest risk score. The most fun to drive is the S63B44T4 (4.4L V8 Biturbo).
Which BMW M5 F90 engine is the most reliable? +
The {code} ({displacement}) is the most reliable engine in the BMW M5 F90. It has the lowest risk score of all available engines and is rated "Good Choice". However, there are 5 known weaknesses to be aware of.
Which BMW M5 F90 engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the BMW M5 F90 — rated: "Legendary!". {description} M xDrive in 2WD mode makes the F90 a 600 hp rear-wheel driver — no M5 before it could do that. Sovereign and quiet in daily use, on a back road with a sharpened chassis and direct steering a different car. The last M5 without hybrid ballast and without 2.4 tonnes of weight. Rod bearing risk lower than the F10, but oil analysis still essential.
Is the BMW M5 F90 worth buying used? +
The BMW M5 F90 is a good choice as a used car — 2 of 6 engine variants are rated 'Good Choice'.
What horsepower variants are available for the BMW M5 F90? +
The BMW M5 F90 is available with engine variants from 286 to 660 hp. Petrol: B58B30 (3.0L Turbo), N63B44TU (4.4L V8 Biturbo), N63B44TU3 (4.4L V8 Biturbo), S63B44T4 (4.4L V8 Biturbo). Diesel: N57D30S1 (3.0L Quad-Turbo).

Last updated: February 2026 · All information without guarantee