Which antifreeze?

I've been going round and round in circles trying to find out which anti freeze is safe to use in my 1992 e34 525i M50. Which colour or type should I get? Halfords sell a pink one and the normal blue one. TIA

I've been going round and round in circles trying to find out which anti freeze is safe to use in my 1992 e34 525i M50. Which colour or type should I get? Halfords sell a pink one and the normal blue one. TIA


I would give your dealer a call.
They should know which one is best.