Reliable Auto DB

2015 BMW 640i reliability

Is it reliable?

NHTSA's file on the 2015 BMW 640i holds 4 complaints after 12 years, a rate of 1 per year. That is more complaints per year than most 640i years here — over the median of the other years, which is 0. NHTSA has 1 recall on file, including Inflator.

2012 BMW 640i
Photo by Mr.choppers, resized from the original. Wikimedia Commons CC BY-SA 3.0
Complaints

4

Per year

1

Recalls

1

Years on the road

12

What owners report

The complaints owners file most often name Wheels (2 of 4), then Electrical system (1) and Engine (1). Those filings include 1 that reports a crash and 1 that reports an injury.

Next to 2014 and 2016

The 2014 640i has 7 complaints, 0 per year, and the 2016 has 0 complaints, 0 per year. The 2015 has more complaints per year than the 2014. The 2015 has more complaints per year than the 2016.

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 2015 BMW 640i. How we count. Data as of .

Recalls (1)

Recall air bags, frontal, driver side, inflator 2024-07-11 · NHTSA campaign 24V527000
Summary BMW of North America, LLC (BMW) is recalling certain 2015 6 Series Gran Coupe, 2014 5 Series Gran Turismo, 2014 5 Series Sedan, 2015 6 Series Convertible, 2015 6 Series Coupe, 2014 X5, 2013-2014 X3, 2014-2015 3 Series Sedan, 2014 4 Series Coupe, 2014 4 Series Convertible, 2014 3 Series Gran Turismo, and 2015 4 Series Gran Coupe vehicles. Please see the recall report for the complete list of models. The driver's air bag inflator may explode during deployment, due to a manufacturing defect.
Remedy The driver's front air bag will be replaced, free of charge. Owner notification letters were mailed September 6, 2024. Owners may contact BMW customer service at 1-800-525-7417.

Complaints by component (4 total)

Wheels
2
Electrical system
1
Engine
1
Service brakes
1
Structure
1
Crash-flagged

1

Fire-flagged

0

Injury reports

1

Death reports

0

Complaints filed per year

220161201812022
Excerpts from recent NHTSA complaint filings
  • "The car is leaking from the third rear brake light (at the rear roof of the car). It appears the seals and possible clips/fasteners have failed and water is entering the car during rain or water immersion from the rear…"
    Structure · filed 2022-08-31
  • "THE REAR TIRE WAS LEAKING CAUSING AN UNSAFE ROAD CONDITION. WHEN THE TIRE WAS INSPECTED IT WAS FOUND THAT THE WHEEL HAD A CRACK IN THE SUPPORT DUE TO A DEFECT IN DESIGN. THE DEALER STATES THAT MANY OF THE 5 AND 6 SERIES…"
    Wheels · filed 2018-12-13
  • "THE TIRES BLEW OUT WHILE ON A ROAD TRIP AT APP 11,000 MILES, SEPARATION RIGHT UNDER THE RIM. TIRES ARE STILL UNDER WARRANTY. HOWEVER, GOODYEAR DUNLOP WON'T BE SQUARE WITH WARRANTY, MAKING THE WARRANTY OF NO VALUE. IN…"
    Wheels · filed 2016-08-23
  • "DRIVERS SIDE DOOR OPEN ON ITS OWN, WILL NOT STAY SHUT , DEALSHIP HAS BEEN UNABLE TOO FIX IT? SIDE DOOR DOESN'T CLOSE REPAIRED FOUR TIMES . ENGINE LIGHT COME ON? ROOF LATCH NO AIR BAGS WENT OF?DEALSHIP SAYS CODES…"
    Electrical system, Service brakes, Engine · filed 2016-07-21

NHTSA crash ratings

Version Overall Front Side Rollover
2015 BMW 640I 2 DR RWD Not rated Not rated Not rated Not rated
2015 BMW 640I 4 DR RWD Not rated Not rated Not rated Not rated
2015 BMW 640I C RWD Not rated Not rated Not rated Not rated
2015 BMW 640I Xdrive 2 DR AWD Not rated Not rated Not rated Not rated
2015 BMW 640I Xdrive 4 DR AWD Not rated Not rated Not rated Not rated
2015 BMW 640I Xdrive C AWD 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
640i convertible 3L, 6-cyl Automatic (8-speed) Rear-wheel drive 20 30 24 MPG $3300
640i Coupe 3L, 6-cyl Automatic (8-speed) Rear-wheel drive 21 31 25 MPG $3200
640i Gran Coupe 3L, 6-cyl Automatic (8-speed) Rear-wheel drive 20 30 24 MPG $3300
640i xDrive convertible 3L, 6-cyl Automatic (8-speed) All-wheel drive 20 29 23 MPG $3450
640i xDrive Coupe 3L, 6-cyl Automatic (8-speed) All-wheel drive 20 29 23 MPG $3450
640i xDrive Gran Coupe 3L, 6-cyl Automatic (8-speed) All-wheel drive 20 29 23 MPG $3450

Specs and fitment

F06/F12/F13 6 Series, 2012–2019
Body styles Coupe, Convertible, Gran Coupe
Oil 0W-30 , 6.9 qt capacity
Tire size 245/45R18, 245/40R19, 245/35R20, 275/35R19, 275/30R20

Known issues for this generation

Recall 24V-527 covers certain 2015 BMW 6 Series Coupe, Convertible, and Gran Coupe vehicles (among other BMW models): dealers replace the driver's front air bag free of charge. Confirm whether a given 640i VIN is included; the campaign spans multiple BMW model lines.

Compare

Previous year 2014 BMW 640i See every BMW 640i model year →

Frequently asked questions

Is the 2015 BMW 640i reliable?

NHTSA's file on the 2015 BMW 640i holds 4 complaints after 12 years, a rate of 1 per year. That is more complaints per year than most 640i years here — over the median of the other years, which is 0. NHTSA has 1 recall on file, including Inflator.

What are common problems with a 2015 BMW 640i?

The complaints owners file most often name Wheels (2 of 4), then Electrical system (1) and Engine (1). Those filings include 1 that reports a crash and 1 that reports an injury.

Is the 2015 BMW 640i more reliable than the years next to it?

The 2014 640i has 7 complaints, 0 per year, and the 2016 has 0 complaints, 0 per year. The 2015 has more complaints per year than the 2014. The 2015 has more complaints per year than the 2016.

Has the 2015 BMW 640i been recalled?

The 2015 BMW 640i 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 2015 BMW 640i?

Owners have filed 4 complaints about the 2015 BMW 640i with NHTSA.

What mpg does a 2015 BMW 640i get?

EPA-rated combined fuel economy for the 2015 BMW 640i is 23.7 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.

What engine oil does a US BMW 640i use?

0W-30 With filter, about 6.9 qt is commonly listed for this generation—confirm in the owner manual.

What tire sizes fit a US BMW 640i?

Published US specs commonly list front 245/45R18, 245/40R19, 245/35R20, 275/35R19, 275/30R20 and rear 245/45R18, 245/40R19, 245/35R20, 275/35R19, 275/30R20; confirm on the door jamb placard for your trim.

What NHTSA recalls affect the US BMW 640i?

Recall 24V-527 covers certain 2015 BMW 6 Series Coupe, Convertible, and Gran Coupe vehicles (among other BMW models): dealers replace the driver's front air bag free of charge. Confirm whether a given 640i VIN is included; the campaign spans multiple BMW model lines.