No idea about the M340i. But a few days ago, I asked for 10% off a 2020 M550i and the dealer here agreed without saying anything back. So I’m sure some more discount is easily possible on that car.
Like wtwo3 said, shop around. Don’t stick to one dealer. You don’t need to go in. Email them and ask for the best offer.
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Current:
2020 BMW 330i xDrive
2018 Audi SQ5 Prestige
2017 Audi A7 Prestige
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