Engine ECU (DME)

Part of Electrical system · about $1,900 to replace

What it is

Bosch MG1 engine controller.

What it does

Runs fuel, ignition, boost and VANOS 1,000 times per second.

How it fails

Software updates fix most drivability quirks; hardware failure is rare.

Material	Aluminium housing, multilayer PCB
Spec	2 × 300 MHz cores
	4 MB flash

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