BMW 3 Series were folding hardtops from the E93, so you'd have to go back to an E46 to get a soft top. But 1 Series, A3 and A4 were all canvas. The problem is that they are all electro-hydraulic or pure electric and the system aren't brilliantly reliable. CLK roofs can be particularly expensive to fix. SAAB 9-3 looks good but feel very old and creaky these days.