hi ive had my bmw 5 years now and its 7 years old ive never had coolant change i had antifreeze chequed for winter and it was ok but do you recomend me haveing it flushed out and renew or leave alone any .
BMW recommends a coolant flush every 2 years, so yes you are WAY overdue. As Tangent says, if you are near 60,000 miles do all that he suggests, along with new belts, expansion tank and possibly new radiator.
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