G26

BMW G26 4 Series Gran Coupé Repair Manual PDF & USB – Complete OEM Workshop Guide

The BMW G26 Gran Coupé repair manual delivers in-depth, OEM-level service and diagnostic procedures for the latest generation of BMW’s sleek five-door executive coupé. Whether you’re maintaining your personal 430i or working on an M440i xDrive in a workshop setting, this manual covers every essential system, including drivetrain, suspension, software, and electrics.

Structured from BMW factory service documentation, this manual provides professional-level insights for both daily maintenance and complex repairs.

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About the BMW G26 (2021–Present)

The BMW G26 4 Series Gran Coupé is the second-generation 5-door liftback variant of the 4 Series, launched in 2021. Based on the CLAR platform, it shares core architecture with the G20 3 Series but features a sportier profile and frameless doors. The G26 is available in rear-wheel and xDrive AWD, powered by B48 4-cylinder and B58 6-cylinder turbocharged engines, with 48V mild-hybrid technology standard in many trims.

Notable trims include the 420i, 430i, and M440i Gran Coupé, featuring a blend of performance and practicality with digital displays, adaptive chassis systems, and the latest iDrive infotainment interfaces.

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What’s Included in the Manual

• Full BMW G26 repair manual PDF

• Engine diagnostics for B48 and B58 engines

• Transmission repair procedures (8HP automatic)

• Complete wiring diagrams and fuse box layouts

• Chassis, suspension, steering, brakes, and HVAC systems

• Troubleshooting procedures for iDrive, ADAS, and digital clusters

• Fault code diagnostics, software reset, and ECU coding references

• Fluid capacities, torque specifications, service intervals

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Supported Models

• BMW 420i Gran Coupé

• BMW 430i Gran Coupé

• BMW M440i xDrive Gran Coupé

• Mild-hybrid and petrol variants

• All regional trims including M Sport, Luxury Line, M Performance

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Delivery Options

• PDF Download – Instantly accessible, printable, and indexed

• USB Drive – Ideal for offline use in workshops and garages

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Who Should Use This Manual

• BMW G26 owners performing their own repairs

• Independent mechanics servicing 4 Series Gran Coupés

• Technicians specializing in electronic diagnostics, roof systems, or chassis coding

• Garages using tools like ISTA, INPA, or OBDII readers

• Enthusiasts seeking factory-grade documentation for tuning or upgrades

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Why Choose This BMW G26 Manual

• Based entirely on official BMW factory documentation

• Covers all mechanical and electrical components

• Designed for DIY, independent garages, and BMW specialists

• Fully searchable, indexed, and formatted for workshop use

• Lifetime access – no renewal, no subscription fees