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Home >> BMW >> 2017 >> 430i 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Engine Electrical System - Repair (F32, F33 & F36) >> 12 90 E-Box >> Replace electronics box (B46/B48 4-Cyl. Engine) (4' Series Coupe/Convertible, 4' Series Gran Coupe Sedan)

Replace electronics box (B46/B48 4-Cyl. Engine) (4' Series Coupe/Convertible, 4' Series Gran Coupe Sedan)

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Necessary preliminary tasks: 

Removal: 

Unlock cable clips (1) and release.

Unlock cable clips (2) and release.

Unlock cable clips (3) and release.

G12701610Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and release fuel line (1).

Unlock and disconnect plugs (2).

Loosen screws (3).

Lift electronics box (4) off the rubber mount.

G12701611Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Mount electronics box (1) into the rubber mount (2) and install.

Tighten down screws (3).

Tightening torque 12 90 1AZ .

Connect connector (4) and lock.

Connector (4) must snap audibly into place.

Secure fuel line (5) to the electronics box (1).

G12701612Courtesy of BMW OF NORTH AMERICA, INC.

Connect cable clips (1) and lock.

Connect cable clips (2) and lock.

Connect cable clips (3) and lock.

All cable clips must audibly engage.

G12701610Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: