Engine Bearing Type: CVFF, CYFF. Recess Depth 1 (mm)-15.80. Custom Bundle: No. Standard Size (STD)Yes. BMW B57D30A 3.0L DIESEL PISTON WITH RING SIZE STD 335D 435D 535D 11258598757. With 15 years of market experience, we specialise in sourcing new & top-quality engine parts, including crankshafts, connecting rods, pistons, cylinder heads, cylinder blocks, and camshafts etc.