Yeah, you probably have the early style filter head, it has an 01, with an "O" ring and crush washer, whereas the newer style with two "O" rings has an 02.

Once you have the issue resolved, you shouldn't have to bleed the system, but crank until it starts.

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83 SD

84 CD

Is dimensions in pic #2 for the 01 filter head? What is in package of pic#3 and which filter head is it for?

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85 300D turbo pristine w 157k when purchased 167,870 July 2025
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83 240D 4 spd manual- parted out then junked