The Russians aren’t budging.
Does the EU want the Russians to buy BMWs and Mercedes, or not?
You over-estimate Russia’s importance as an export market for the EU. Russia’s gdp is equivalent to that of Spain alone. The EU’s total economy is 10 times the size of Russia’s.
about 15% of Russia's imports come from EU countries (4.74% from Germany)
In contrast, Russia accounts for about 1% of the EU countries exports (0.63% of Germany's exports)
Most of Germany's exports to the Russian federation are:
The EU wanted (or rather Germany and France wanted) until 2022, for Russia to be a trading partner and not threaten European countries with war.