Reliable Auto DB

2018 BMW M4 reliability

Is it reliable?

Owners have filed 6 complaints with NHTSA about the 2018 BMW M4 over 9 years — 0 per year. That is more complaints per year than most M4 years here — over the median of the other years, which is 0. NHTSA has 1 recall on file, including Front.

2015 BMW M4
Photo by Alexander Migl, resized from the original. Wikimedia Commons CC BY-SA 4.0
Complaints

6

Per year

0

Recalls

1

Years on the road

9

What owners report

The complaints owners file most often name Fuel and propulsion system (4 of 6), then Back-over prevention (1) and Engine (1).

Next to 2017 and 2019

The 2017 M4 has 2 complaints, 1 per year, and the 2019 has 0 complaints, 0 per year. The 2018 has fewer complaints per year than the 2017. The 2018 has more complaints per year than the 2019.

The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2018 BMW M4. How we count. Data as of .

Recalls (1)

Recall seat belts, front 2017-08-16 · NHTSA campaign 17V507000
Summary BMW of North America, LLC (BMW) is recalling certain 2018 430i, 430i xDrive, 440i, 440i xDrive, and M4 convertible vehicles. The Emergency Locking Retractors (ELR) within the front seat belt assemblies may have been produced with incompatible vehicle-sensitive locking mechanism housings.
Remedy BMW will notify owners, and dealers will inspect and, if necessary replace, the front seat belt assemblies, free of charge. The recall began October 13, 2017. Owners may contact BMW customer service at 1-800-525-7417.

Complaints by component (6 total)

Fuel and propulsion system
4
Back-over prevention
1
Engine
1
Crash-flagged

0

Fire-flagged

0

Injury reports

0

Death reports

0

Complaints filed per year

12019220232202412026
Excerpts from recent NHTSA complaint filings
  • "The contact owns a 2018 BMW M4. The contact stated that while reversing, the rear-view camera became inoperable, preventing the contact from safely reversing the vehicle. The contact referenced NHTSA Campaign Number:…"
    Back-over prevention · filed 2026-08-17
  • "The fuel tank was leaking a substantial amount of fuel. Yes it is. Our safety was put at risk due to the fuel leak. Any small spark, overheating or if somebody threw a cigarette butt out of their window could have…"
    Fuel and propulsion system · filed 2024-08-29
  • "What component or system failed or malfunctioned, and is it available for inspection upon request? Fuel Tank on my BMW under 50k miles started leaking after a fill up. How was your safety or the safety of others put at…"
    Fuel and propulsion system · filed 2024-08-26
  • "Fuel tank was leaking. I brought it in to BMW of San Antonio who found the left side top area of fuel tank leaking fuel from the sealed portion. Heat caused the top of fuel tank to expand and crack. BMW of SA required…"
    Fuel and propulsion system · filed 2023-08-31
  • "I think the fuel tank has cracked on the upper portion of the tank. I noticed a smell of gas on my way home from filling gas and when I got home I realized there was a puddle of gas sitting underneath my car. I jacked…"
    Fuel and propulsion system · filed 2023-07-14

NHTSA crash ratings

Version Overall Front Side Rollover
2018 BMW M4 2 DR RWD Not rated Not rated Not rated Not rated
2018 BMW M4 C RWD Not rated Not rated Not rated Not rated

Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.

Fuel economy

Trim Engine Transmission Drive City Hwy Combined Annual fuel cost
M4 convertible 3L, 6-cyl Automatic (AM-S7) Rear-wheel drive 16 22 19 MPG $4200
M4 convertible 3L, 6-cyl Manual 6-speed Rear-wheel drive 17 25 20 MPG $4000
M4 Coupe 3L, 6-cyl Automatic (AM-S7) Rear-wheel drive 17 24 20 MPG $4000
M4 Coupe 3L, 6-cyl Manual 6-speed Rear-wheel drive 17 25 20 MPG $4000
M4 DTM Champions Edition 3L, 6-cyl Automatic (AM-S7) Rear-wheel drive 17 24 20 MPG $4000

Specs and fitment

F82/F83 generation, 2015–2020
Body styles Coupe, Convertible
Oil 0W-30 (BMW LL; ~6.9 qt with filter) , 6.9 qt capacity
Tire size 255/40R18 or 255/35R19 front; 275/40R18 or 275/35R19 rear (staggered) front / 275/40R18 or 275/35R19 (staggered rear packages) rear

Known issues for this generation

Recall 24V288000 covers certain 2014-2015 4 Series Coupe M4 vehicles (with 2 Series, 3 Series, and other 4 Series models in the same ~5,761-unit campaign) where the head air bag may rupture or leak gas; dealers replace the head air bags. Recall 19V352000 covers certain 2019-2020 M4 models (with 230i, M240i, M2 Competition, 430i, 440i, and 330i xDrive Sportswagon; ~5,079 units total) where knee air bag assemblies may have been improperly folded; dealers replace the knee air bag modules. Recall 20V666000 covers certain 2020 M4 Coupe vehicles (with 2020-2021 M2 Coupe; only ~21 units) where fuel injectors may lack a damping component, risking a fuel leak and fire; dealers inspect injectors and replace injectors and the fuel rail if needed.

Compare

Previous year 2017 BMW M4 See every BMW M4 model year →

Frequently asked questions

Is the 2018 BMW M4 reliable?

Owners have filed 6 complaints with NHTSA about the 2018 BMW M4 over 9 years — 0 per year. That is more complaints per year than most M4 years here — over the median of the other years, which is 0. NHTSA has 1 recall on file, including Front.

What are common problems with a 2018 BMW M4?

The complaints owners file most often name Fuel and propulsion system (4 of 6), then Back-over prevention (1) and Engine (1).

Is the 2018 BMW M4 more reliable than the years next to it?

The 2017 M4 has 2 complaints, 1 per year, and the 2019 has 0 complaints, 0 per year. The 2018 has fewer complaints per year than the 2017. The 2018 has more complaints per year than the 2019.

Has the 2018 BMW M4 been recalled?

The 2018 BMW M4 has 1 recall on file with NHTSA. See the recalls table on this page for dates, components, and remedies.

How many complaints have owners filed about the 2018 BMW M4?

Owners have filed 6 complaints about the 2018 BMW M4 with NHTSA.

What mpg does a 2018 BMW M4 get?

EPA-rated combined fuel economy for the 2018 BMW M4 is 19.8 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.

What engine oil does a BMW M4 use?

Both F82 and G82 generations commonly specify 0W-30 BMW LL oils; capacity is about 6.9 qt (F82) or 7.4 qt (G82) with filter.

What tire sizes does a BMW M4 use?

OEM fitments are staggered: F82 commonly 255/40R18–255/35R19 front with 275-series rears; G82 commonly 275-series fronts with 285-series rears.