does a bmw m45b25 motor have a timing belt or chain?

does a bmw m45b25 motor have a timing belt or chain? 2 Answers

Do I have a cam belt or chain 4 Answers

Just purchased, at what point do I need to replace the cam belt or chain. I have 100k on the clock

I have a 1999 Z3 - do I have a timing belt or a chain? 1 Answer

I am buying a bmw z3 1998 2.8, Iv never had one. does it have a timing belt or chain and what other maintenance is recommended at 74k. it has had fsh until 60k 1 Answer

Replacing the timing chain guide rail 1998 Z3 1.9 liter 1 Answer

The guide ralis show little wear, is it necessary to replace the guides as a preventive measure, as I am changing the timing chain.