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Very rarely
Timing chains should last the life of the engine and are normally replaced when the engine is rebuilt.
Timing chains never need to be changed, only belts.
No. It has two timing chains. They should not ever need to be changed.
Timing chains are designed to last the life of the engine unlike timing belts.
Timing chains are designed to last the life of the engine.
Timing chains are not like timing belts, they do not need to be changed. They are designed to last the life of the engine under normal use.
Timing chains usually do not need to be changed until an engine needs to be overhauled. You may need to change it if it makes a weird noise, other than that you should be fine.
Timing chains are designed to last the life of the vehicle. They are normally replaced during a complete engine overhaul.
Timing chains are designed to last the life of the engine unlike timing belts.
No. All BMWs since E36 have had timing chains and not belts and therefore do not need to be changed.
Yes Timing Chains need to be replaced because they stretch out and Wear over time!