BMW i4

BMW i4 (G26) Factory Repair Manuals – PDF & USB (2021–2025)

The BMW i4 (G26) represents the brand’s commitment to performance-oriented electric mobility. Launched in 2021, this fully electric four-door Gran Coupé blends traditional BMW driving dynamics with next-gen EV engineering. The i4 range includes variants like the eDrive35, eDrive40, and high-performance M50, all powered by BMW’s fifth-generation eDrive technology.

This collection of BMW i4 factory service manuals, available in PDF format or on USB flash drive, is ideal for professional repair shops, EV specialists, and BMW owners seeking reliable, technical information. These are genuine service documents based on BMW’s official workshop procedures, wiring diagrams, and ISTA diagnostics.

Chassis and Model Coverage

• BMW i4 eDrive35 (G26 BEV)

• BMW i4 eDrive40 (G26 BEV)

• BMW i4 M50 (G26 BEV)

• Production years: 2021–2025

What’s Included in the Manuals

• High-Voltage Battery System
  Battery diagnostics, removal, cooling integration, insulation testing, module replacement.

• Electric Drivetrain
  eDrive unit troubleshooting, inverter service, motor mount and axle repair.

• OEM Wiring Diagrams
  Complete schematics for power distribution, CAN bus, FlexRay, 12V systems, sensors, and EVSE.

• Charging & Power Electronics
  On-board charger fault tracing, AC/DC charging port service, regenerative braking systems.

• ISTA Diagnostic Workflows
  Step-by-step diagnostic trees, control module checks, and DTC resets based on BMW ISTA software.

• Chassis, Brakes, and Suspension
  Adaptive damping system, regenerative & mechanical brake diagnostics, rear-wheel drive/suspension service.

• Interior Electronics & iDrive
  Infotainment troubleshooting, screen diagnostics, connectivity repair, OTA firmware update workflows.

• ADAS & Driver Assistance Systems
  Calibration and service procedures for radar, parking sensors, lane control, and emergency braking systems.

Format Options

• Searchable PDF Download – Indexed and printable, perfect for mobile use in workshops.

• USB Flash Drive – Durable and preloaded with all documentation for offline repair use.

Who It’s For

• Certified BMW technicians

• Independent EV repair shops

• DIYers working on their i4

• Technical colleges or EV training programs

• Rebuilders and used EV resellers