For them, structural stiffness, interior noise, and all-season utility count as well, so it's not surprising then that the new BMW 4-series convertible gets good marks in all three categories. The 4-series employs a three-piece retractable hardtop …
For them, structural stiffness, interior noise, and all-season utility count as well, so it's not surprising then that the new BMW 4-series convertible gets good marks in all three categories. The 4-series employs a three-piece retractable hardtop …
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