BMW 340i / 340i GT xDrive Wiring Diagram Manual 2016–2019 – F30 / F34 Electrical System, PT-CAN, DME, DSC & Full OEM Circuit Schematics

This wiring diagram manual package covers the 2016 BMW 340i Base, 2018 BMW 340i Base, and 2019 BMW 340i GT xDrive Base, all listed in the manuals with the 3.0L engine. The uploaded files identify the manuals as 2016 BMW 340i Base – Engine: 3.0L Eng, 2018 BMW 340i Base – Engine: 3.0L Eng, and 2019 BMW 340i GT xDrive Base – Engine: 3.0L Eng.

The manuals include OEM-style wiring diagrams for electrical diagnostics, DME signal tracing, module communication checks, fuse and relay routing, ground distribution, lighting systems, comfort electronics, infotainment wiring, restraint circuits, starting/charging, transmission wiring, and model-specific GT xDrive / AWD circuits.

Vehicle Coverage

• Make: BMW
• Models: 340i, 340i GT xDrive
• Chassis / Platform: F30 / F34
• Model Years: 2016, 2018, 2019
• Engine: 3.0L Turbo
• Trim References:
  • 2016 BMW 340i Base
  • 2018 BMW 340i Base
  • 2019 BMW 340i GT xDrive Base
• Drive Coverage: RWD / xDrive where applicable
• Document Type: Wiring Diagram Manual
• Format: PDF
• Pages:
  • 2016 manual: 155 pages
  • 2018 manual: 156 pages
  • 2019 manual: 158 pages
• Language: English

Technical Highlights

• Complete OEM circuit schematics for BMW 340i and 340i GT xDrive
• 3.0L turbo DME / Digital Motor Electronics wiring
• DSC / ABS circuit diagrams
• PT-CAN, K-CAN, LIN, FlexRay, MOST, and diagnostic data lines
• Power distribution, fuse, relay, and ground circuits
• Front Electronic Module and Rear Electronic Module wiring
• HVAC and automatic air conditioning circuits
• Engine performance wiring with 3.0L turbo system coverage
• Exterior lights, headlights, horn, warning systems, and trailer tow wiring
• Electronic power steering and suspension circuits
• Navigation, radio, HiFi, Top HiFi, MOST bus, camera, and parking assistant diagrams
• Power seats, mirrors, sunroof, windows, and memory systems
• Supplemental restraints, passive restraints, transmission, AWD, trunk, tailgate, fuel door, and wiper/washer circuits

Table of Content

• Active Bodyworks
  • Active Bodyworks Circuit
• Air Conditioning
  • Automatic A/C Circuit
    • 4-part circuit
• Anti-Lock Brakes
  • Anti-lock Brakes Circuit
• Anti-Theft
  • Access/Start Circuit
    • 2-part circuit
  • Anti-theft & Central Locking Circuit
    • Multi-part circuit
• Body Control Modules
  • Front Electronic Control Module Circuit
    • 3-part circuit
  • Rear Electronic Control Module Circuit
• Computer Data Lines
  • Computer Data Lines Circuit
    • Multi-part circuit
• Cooling Fan
  • Cooling Fan Circuit
• Cruise Control
  • Cruise Control Circuit
• Defoggers
  • Heated Mirrors Circuit, W/ LIN Bus Function
  • Heated Mirrors Circuit, W/O LIN Bus Function
  • Rear Defogger Circuit
• Electronic Power Steering
  • Electronic Power Steering Circuit
• Electronic Suspension
  • Air Suspension Circuit
  • Electronic Damper Control Circuit
• Engine Performance
  • 3.0L Turbo, Engine Performance Circuit
    • Multi-part circuit
• Exterior Lights
  • Backup Lamps Circuit
  • Exterior Lamps Circuit, W/ LED Headlamps
    • Multi-part circuit
  • Exterior Lamps Circuit, W/O LED Headlamps
    • Multi-part circuit
  • Trailer Tow Circuit
• Ground Distribution
  • Ground Distribution Circuit
    • Multi-part circuit
• Headlights
  • Headlights Circuit, W/ LED Headlamps
    • Multi-part circuit
  • Headlights Circuit, W/ Xenon Lamps
    • Multi-part circuit
  • Headlights Circuit, W/O LED Headlamps & Xenon Lamps
    • Multi-part circuit
  • Headlights Circuit, W/O LED Headlamps W/ Xenon Lamps
    • Multi-part circuit
• Horn
  • Horn Circuit
• Instrument Cluster
  • Instrument Cluster Circuit
• Interior Lights
  • Courtesy Lamps Circuit
    • Multi-part circuit
  • Instrument Illumination Circuit
    • Multi-part circuit
• Memory Systems
  • Driver’s Memory Seat Circuit
  • Memory Mirrors Circuit, W/ LIN Bus Function
  • Memory Mirrors Circuit, W/O LIN Bus Function
• Navigation
  • All Around Vision Camera Circuit
  • Lane Departure Warning Circuit, W/ Camera
  • Lane Departure Warning Circuit, W/O Camera
  • Navigation Circuit, W/ Hifi Radio & Active Sound Design
    • Multi-part circuit
  • Navigation Circuit, W/ Hifi Radio W/O Active Sound Design
    • Multi-part circuit
  • Navigation Circuit, W/O Hifi Radio & Active Sound Design
    • Multi-part circuit
  • Navigation Circuit, W/O Hifi Radio W/ Active Sound Design
    • Multi-part circuit
  • Parking Assistant Circuit, W/ Parking Maneuvering Assistant
  • Parking Assistant Circuit, W/O Parking Maneuvering Assistant
  • Rear Camera Circuit
• Passive Restraints
  • Passive Restraints Circuit
• Power Distribution
  • Power Distribution Circuit
    • Multi-part circuit
• Power Door Locks
  • Power Door Locks Circuit
    • Multi-part circuit
• Power Mirrors
  • Power Mirrors Circuit
• Power Seats
  • Front Heated Seats Circuit, W/ Memory
  • Front Heated Seats Circuit, W/O Memory
  • Heated Steering Wheel Circuit
  • Lumbar Circuit
  • Passenger Power Seat Circuit
  • Rear Heated Seats Circuit
  • Sport Seats Circuit
• Power Top/Sunroof
  • Power Top/Sunroof Circuit
• Power Windows
  • Power Windows Circuit
  • Rear Window Sun Shade Circuit
• Radio
  • Base Radio Circuit, W/ Active Sound Design
    • Multi-part circuit
  • Base Radio Circuit, W/O Active Sound Design
    • Multi-part circuit
  • Hifi Radio Circuit, W/ Active Sound Design
    • Multi-part circuit
  • Hifi Radio Circuit, W/O Active Sound Design
    • Multi-part circuit
  • MOST Data Bus Circuit
  • Top Hifi Radio Circuit, W/ Active Sound Design
    • Multi-part circuit
  • Top Hifi Radio Circuit, W/O Active Sound Design
• Starting/Charging
  • Charging Circuit
  • Starting Circuit
• Supplemental Restraints
  • Supplemental Restraints Circuit
    • Multi-part circuit
• Transmission
  • Transmission Circuit
  • A/T Circuit
  • AWD Circuit
• Trunk, Tailgate, Fuel Door
  • Contact-Free Tailgate Opening Circuit
  • Trunk & Fuel Door Release Circuit
    • Multi-part circuit
• Warning Systems
  • Warning Systems Circuit
• Wiper/Washer
  • Wiper/Washer Circuit