What is the engine displacement of BMW 3 Series M340i xDrive?
3.0 L
The cited OEM source lists Engine displacement for BMW 3 Series M340i xDrive as 3.0 L.
SOURCED MODEL TECHNICAL DATA
BMW 3 Series M340i xDrive Technical Specs, Power/Torque & Measurements
BMW 3 Series M340i xDrive — Engine displacement: 3.0 L · Power: 386 hp · Torque: 398 lb-ft Sources, symptoms, measurements and verification on one page.
Quick answers
What is the power rating of BMW 3 Series M340i xDrive?
386 hp
The cited OEM source lists Power for BMW 3 Series M340i xDrive as 386 hp.
What is the torque rating of BMW 3 Series M340i xDrive?
398 lb-ft
The cited OEM source lists Torque for BMW 3 Series M340i xDrive as 398 lb-ft.
What is the Transmission speeds value for BMW 3 Series M340i xDrive?
8 speed
The cited OEM source lists Transmission speeds for BMW 3 Series M340i xDrive as 8 speed.
What is the 0-60 mph value for BMW 3 Series M340i xDrive?
4.1 s
The cited OEM source lists 0-60 mph for BMW 3 Series M340i xDrive as 4.1 s.
What is the Mild-hybrid system value for BMW 3 Series M340i xDrive?
48 V
The cited OEM source lists Mild-hybrid system for BMW 3 Series M340i xDrive as 48 V.
What is the Cylinders value for BMW 3 Series M340i xDrive?
6
The cited OEM source lists Cylinders for BMW 3 Series M340i xDrive as 6.
Quick technical specification
Engine displacement
3.0 L
Power
386 hp
Torque
398 lb-ft
Transmission speeds
8 speed
0-60 mph
4.1 s
Mild-hybrid system
48 V
Cylinders
6
Expected values / measurement references
Engine displacement
3.0 L
Power
386 hp
Torque
398 lb-ft
Model-specific OEM reference checks
3 Series M340i xDrive: OEM-published Engine displacement reference is 3.0 L. Measurement/evaluation on the same configuration should use this published value as context; obtain any service tolerance from the VIN/serial-matched OEM procedure.
3 Series M340i xDrive: OEM-published Power reference is 386 hp. Measurement/evaluation on the same configuration should use this published value as context; obtain any service tolerance from the VIN/serial-matched OEM procedure.
3 Series M340i xDrive: OEM-published Torque reference is 398 lb-ft. Measurement/evaluation on the same configuration should use this published value as context; obtain any service tolerance from the VIN/serial-matched OEM procedure.
3 Series M340i xDrive: OEM-published Transmission speeds reference is 8 speed. Measurement/evaluation on the same configuration should use this published value as context; obtain any service tolerance from the VIN/serial-matched OEM procedure.
Diagnostic entry symptoms
Reduced pull, unstable idle or high fuel consumption
Harsh/delayed shifting or transmission-temperature warning
Starting/charging problem or network communication warnings
Measurement and test approach
Log fuel pressure, MAP/MAF, lambda, ignition correction and misfire counters together under load; exact thresholds must come from OEM service data for the engine calibration.
For transmission complaints, compare input/output speeds, requested/actual gear, converter/clutch slip and oil temperature during the same event.
Root-cause discrimination
Separate engine torque-production faults from transmission slip by correlating ECU calculated torque, engine speed and input/output speeds.
DTC / SPN / FMI context
Preserve DTC freeze-frame and pending/permanent state; with multiple power/ground/network codes, eliminate common supply causes first.
Post-repair verification
No fault should return across cold/hot restarts, full-load acceleration, steady cruise and stop-start cycles.
Maintenance / service reference
3 Series: exact maintenance interval, fluid-change quantity and torque procedure must be verified from OEM maintenance/service information matched to model year/VIN/serial number; unpublished service thresholds are not invented in this record.
Electrical and network
3 Series: Evaluate engine ECU, transmission TCM, ABS/ESC and body CAN network together.
Sensors, actuators and observation points
3 Series: MAF/MAP and intake temperature.
3 Series: Fuel-pressure sensor / pump command.
3 Series: Lambda/O2 and fuel trims.
3 Series: Crank/cam synchronization and misfire counters.
3 Series: Transmission input/output speed sensors.
3 Series: Battery/alternator/ground voltage drop.
OEM primary sources
Continue with related models and classes
Technical data centers
Evidence boundary
Only exact values published by the cited source are shown numerically. Pins, torque, pressure, resistance or service thresholds not publicly published are not invented; use the VIN/model-year/calibration-matched OEM service procedure.
Sources & freshness
Sources & freshness
Exact technical values, prices and failure rates are not invented without verified vehicle/manufacturer evidence.