How a car works

All partsBMW M4 CSLBodyDoorsDriver door › Inner panel

Inner panel

Part of Driver door · about $900 to replace

What it is

Structural inner door with side-impact beam.

What it does

Carries the hinges, latch, glass and speaker.

How it fails

Water drains clog: carpet gets wet.

MaterialAluminium, high-strength steel beam
Inner panel highlighted on the car

Appears at

Driver doorPassenger door

Nearby