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540 waterpump problem
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  1. E39 (1997 - 2003)
    Hi Guys, I bought my 2nd 540i one month a go and just drove it to the alps for 1000 miles. Yesterday (the day I did 1000miles) everything was fine exept for 15 minutes there was no warm air from the vents. I checked the coolant and it was a little low (also very cold outside) but nothing...
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