Bought mine at NAPA, it's branded as OEM, but it's the same Oetiker-clamp style as those above, with a flat bit that supports the face of the crimp. Works great.

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12 E70 3.5i xDrive
03 E46 330i ZHP
01 E53 3.0i
98 E36 323is
12 Audi A4 Quattro
79 Triumph Spitfire
73 MGB