BMWM850i xDrive2020Overview/bmw/m850i-xdrive/2020/base/

2020 BMW M850i xDrive

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2020 M850i xDrive.

Transmission Automatic (S8)

The 2020 BMW M850i xDrive is EPA-rated at 17/25/20 mpg city/highway/combined.

Quick specs

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

Lug nut torque103 ft-lbsOEM · verified
EPA fuel economy17/25/20 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses OE oil filter 11427583220. 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.

Tire sizeConvertible & Coupe: Front: 245/35R20/XL 95Y, Rear: 275/30R20/XL 97YOEM · verified
Wheel / rimStandard: Front: 8, Rear: 9; Option 1 & 2: 8; Option 3: Front: 8.5, Rear: 9; Option 4 & 5: 8. Coupe: Standard: Front: 8, Rear: 9; Optional: 8. inOEM · verified

OE service part numbers OEM · verified

Engine oil filter11427583220
Engine air filter13718699811 alt 13718699812
Spark plug12120057704
Battery61219394648 alt 61215B3F325
Front wiper blades61619478909
Thermostat11538632664 alt 11538685978
Cabin air filter64115A1BDB7 alt 64115A1BDB6

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic (S8)

Ratings & economy EPA / vPIC

EPA city / highway / combined17 / 25 / 20 mpg
DrivetrainAll-Wheel Drive
Recommended fuelPremium Gasoline

Service quick specs OEM factory data

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

Torque lug nuts to 103 ft-lbs.

Engine torques

Oil Pump to Cylinder BLock Bolts/Studs18.0 ft-lbs

Chassis torques

Lug Nuts103 ft-lbs

Brakes

Brake Caliper Bolt to Carrier TorqueFront: NS; Rear: 26.0 ft-lbs
Brake Caliper Carrier to Hub Bolt TorqueUse new bolts. 81.0 ft-lbs
ABS Sensor TorqueFront: 6.0; Rear: 6.0
Vented Rotor Minimum Thickness for ReplacementFront: 13.70; Rear: 12.99

Multi-step torque procedures OEM · verified

Cylinder Head — tightening sequence 1 stages
122.0 ft. lbs., Step 2: 90°, Step 3: 140°, Step 4: the 2 M8 Timing Case Bolts: 17.022 ft. lbs
Cylinder Head — tightening sequence 1 stages
122.0 ft. lbs., Step 2: 90°, Step 3: 140°22 ft. lbs

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:

ReplaceEngine Oil Filter · Spark Plugs · Engine Oil · Keyless Entry Remote Battery · Cabin Air Filter · Engine Air Filter Element
InspectWindshield Washer System · Parking Brake System · Underbody · Brake Line · Disc Brake Caliper · Brake Rotor · Air Bag System · Exterior Lighting
Road testUniversal Vehicle Operation
Inspect Fluid LevelEngine Coolant System
ResetTire Pressure Monitoring System
Drain, Refill & BleedBrake Hydraulic System

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 M850i xDrive. 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.

Reference guides

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

Frequently asked

What gas mileage does the M850i xDrive get?

EPA figures are 17 city / 25 highway / 20 combined mpg.