how to replace the front crankshaft seal? on 2001 BMW 325Ci

are there any special tools required to do this job?

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1 answer 2 comments
remove fan and all accessories from front of engine...remove harmonic balancer...install crankshaft seal...yes, there are some special tools involved with this job.
Thanks for your reply. Now what sort of special tools do i need? Can the job be done safely and correctly without these tools?
No tools = incorrect