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2018 BMW 640i

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2018 640i.

Transmission Automatic (S8)

The 2018 BMW 640i pairs an automatic (S8) transmission with EPA fuel-economy ratings of 20/29/23 mpg. It belongs to the 2012–2019 model sequence, a span whose complaints reached a high of seven in 2014 before dropping to a low of two in 2019. Consequently, the 2018 model year sits in the latter portion of that run, positioned well after the peak complaint activity recorded earlier in the generation.

Model year2018 2017

Quick specs

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

Lug nut torque103 ft-lbsOEM · verified

EPA fuel economy20/29/23 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 95R · 950 CCA battery, OE oil filter 11428683168. 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.

Battery groupBCI 95R · 950 CCAOEM · verified

Tire size245/45R18OEM · verified

Wheel / rim8.0; Optional: 8.5; Front Optional: 8.5; Rear Optional: 9.0; Front Optional: 8.5; Rear Optional: 9.0 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter	11428683168 alt 11428637820
Engine air filter	13717605913
Spark plug	12120037582
Battery	61215A40E29 alt 61215A40E33
Front wiper blades	61612458020
Thermostat	11538671514
Cabin air filter	64116809933 alt 64119272642

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

Transmission

Automatic (S8)

Dimensions & weight NHTSA vPIC

Overall length	197.2 in
Overall width	74.4 in
Overall height	54.7 in
Wheelbase	116.9 in
Curb weight	4330 lb
Track (front / rear)	63 / 65.7 in
Weight distribution (front / rear)	53/47

Ratings & economy EPA / vPIC

EPA city / highway / combined	20 / 29 / 23 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 640i of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

4.7–4.8 sec0–60 mph (tested)quickest 4.70 sec — 2018 xDrive Gran Turismo (M Sport)

Year	Trim / engine	0–60	¼ mile	HP	Drivetrain
2018	xDrive Gran Turismo (M Sport) 3.0L Turbo I-6	4.70 sec	13.40 sec	335 hp	AWD
2018	xDrive Gran Turismo (M Sport) 3.0L Turbo I-6	4.80 sec	13.30 sec	335 hp	AWD
2016	Convertible 3.0L Turbo I-6	4.90 sec	13.60 sec	315 hp	RWD
2016	Gran Coupe 3.0L Turbo I-6	5.30 sec	13.80 sec	315 hp	RWD
2013	Gran Coupe 3.0L Turbo I-6	5.40 sec	14.10 sec	315 hp	RWD
2013	Gran Coupe 3.0L Turbo I-6	5.40 sec	14.10 sec	315 hp	RWD
2013	Gran Coupe 3.0L Turbo I-6	5.50 sec	14.00 sec	315 hp	RWD
2013	Gran Coupe 3.0L Turbo I-6	5.60 sec	14.30 sec	315 hp	RWD

Service quick specs OEM factory data

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

This engine DOT 4 brake fluid. Torque lug nuts to 103 ft-lbs, the oil drain plug to 20.0 ft-lbs. The firing order is 1-5-3-6-2-4. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.

Lubricants & capacities

Brake Fluid	DOT 4
Clutch Fluid	DOT 4

Engine torques

Crankshaft Position (CKP) Sensor Bolt(s)	9.0 ft-lbs
Camshaft Position (CMP) Sensor Bolt(s)	7.4 ft-lbs
Camshaft Bearing/Carrier Cap Bolts or Studs	72.0 inch lbs. ft-lbs
Oxygen (O2S) Sensor Bolt(s)	35.0 ft-lbs
Knock Sense (KS) Bolt(s)	16.0 ft-lbs
Nitrogen Oxide (NOX) Sensor Bolt(s)	33.0 ft-lbs
Oil Pan to Block Bolts	9.0 ft-lbs
Engine Oil Pan Drain Plug	20.0 ft-lbs

Chassis torques

Lug Nuts

103 ft-lbs

Ignition

Cylinder Firing Order

1-5-3-6-2-4

Battery & A/C

Refrigerant	R134a
Refrigerant Capacity	1.85-1.90 lbs
Oil Group	PAG
Oil Type	46
Standard BCI Group Number	95R
Standard BCI Cranking Performance	950 cca

Service checks

RPM

725.0

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 2 stages

1	15.0 ft. lbs.	15 ft. lbs
2	70 degrees	70 degrees
2	70

Cylinder Head — tightening sequence 5 stages

Prep Do not reuse old bolts. Use new bolts coated with clean engine oil. Tighten all bolts to finger tight then continue on with the following procedure.

1	Bolts 1-14	22 ft. lbs
2	Bolts 1-14	90 degrees
3	Bolts 1-14	180 degrees
4	M9 Bolts	16.2 ft. lbs
5	M9 Bolts	16.2 ft. lbs

Engine Flywheel Bolts — tightening sequence 2 stages

1	44.0 ft. lbs.	44 ft. lbs
2	45

Intake Manifold to Engine Bolts — tightening sequence 3 stages

1	Bolts 1-7	3.7 ft. lbs
2	Bolts 1-7	7.3 ft. lbs
3	7.3

Exhaust Manifold to Cylinder Head Bolts — tightening sequence 5 stages

1	7.3 ft. lbs.	7.3 ft. lbs
2	7.3 ft. lbs.	7.3 ft. lbs
3	11.8 ft. lbs.	11.8 ft. lbs
4	11.8 ft. lbs.	11.8 ft. lbs
5	11.8

Main Bearings — tightening sequence 2 stages

1	15.0 ft. lbs.	15 ft. lbs
2	70

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 · Cabin Air Filter · Engine Air Filter Element
Inspect	Windshield Washer System · Underbody · Brake Line · Disc Brake Caliper · Convertible Top · 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

Owner complaints by model year NHTSA · this generation & adjacent

’12 ’13 ’14 ’15 ’19

No owner complaints on record with NHTSA for this vehicle.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

18V465000Engine And Engine Cooling:EngineReported 12/07/2018

BMW of North America, LLC (BMW) is recalling certain 2018 BMW 540d xDrive vehicles. The crankshaft sensor may be equipped with incorrect firmware, preventing the sensor from properly processing input from the crankshaft… Remedy: BMW will notify owners, and dealers will replace the crankshaft sensor, free of charge. The recall began September 6, 2018. Owners may contact BMW customer service at…

19V684000Back Over Prevention: Sensing System: CameraReported 27/09/2019

BMW of North America, LLC (BMW) is recalling certain 2018 540d, 2018-2020 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 530e, 530e xDrive, X3 sDrive, X3 xDrive, X3 M40i, X3 M, and 2019-2020 X4 xDrive, X4 M40i… Remedy: BMW will notify owners, and dealers will update the back-up camera software, free of charge. The recall began November 8, 2019. Owners may contact BMW customer service at…

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 640i. 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.

Group 95R battery Engine oil filter 11428683168 Engine air filter 13717605913 Spark plug 12120037582 Battery 61215A40E29

Reference guides

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

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

Frequently asked

Does the 2018 640i have open recalls?

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

What gas mileage does the 640i get?

EPA figures are 20 city / 29 highway / 23 combined mpg.