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I'm having trouble removing the fan/fan clutch on my '78 530i. It has the single 13mm bolt at the front of the fan.

A couple questions:
1. Does a fan clutch removal tool (similar to those used for newer BMWs) work to hold the pulleys and water pump impeller in place?
2. Is the bolt reverse threaded?

DCMotoring wrote: ↑Sat Jul 24, 2021 10:07 am I'm having trouble removing the fan/fan clutch on my '78 530i. It has the single 13mm bolt at the front of the fan.

A couple questions:
1. Does a fan clutch removal tool (similar to those used for newer BMWs) work to hold the pulleys and water pump impeller in place?

It should if you can get it in there. Even on the newer style I've always just wedged a large square shank screwdriver in there.

2. Is the bolt reverse threaded?

No, conventional right hand threads.

Thanks Mike! Time to dig in and get it done.