Coming from Europe, I would say any part made somewhere in the EU will probably be the same quality. If it's made in Germany, Poland, Sweden, Slovenia or Spain should make no difference - but what's a fact is that the general quality of European-made spare parts have gone down the last 20 years.

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'95 E36T AMG (124.092)
'98 E200T (210.235)
'00 E430 4Matic (210.283)