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The relay I swapped was the blue one in the DME box. Followed a youtube video on it.
Some codes I had before I cleared were;
2A99 crankshaft exhaust camshaft, reference
2a31 valvetronic eccentric shaft sensor, guide
2a32 valvetronic eccentric shaft sensor, plausibility
2a80 intake vanos, activation
2a85 exhaust vanos, activation
2a77 control mnodule, internal fault: Valvetronic output stage
2a3f valvetronic, actuator motor: power supply
2e98 bsd, message; electric coolant pump, missing
2e85 bsd, message; alternator missing
2ab4: dme, internal fault: ram checksum
a731 supply terminal 30g-f
a0b4 engine start, starter operation
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