Just Started - E39 528i

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  1. Just Started - E39 528i 
    #1
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    BemmerNut's Car Details
    Model of Car:
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    Thought it was about time I joined. I have read many posts on this site and received much help as a result, many thanks one and all.
    Twelve weeks ago my 528's water pump seized. Believe me when I say, you just don't want this to happen. The belt came off, wrapped itself around the fan, took out the rad and oil pipe to the power steering. If that wasn't bad enough, all of the coolant escaped and the engine overheated. Why alarms don't go off when this happens god only knows. A bulb goes out alarm goes off, engine losses coolant...silence. Anyway the garage thought that the head survived and fitted news parts (£700). Great for a week then the bottom hose blow off. Again no alarm and the engine overheated.
    Head off, skimmed and refitted (£1300). Drove the car for a week then after a longer than normal run....you have it engine overheats, steam spuing from under the bonnet. At this point I'd had enough and decided to strip the engine down and do the job myself. Got to the head bolts and four were hand tight. This must have been the reason for the overheating and steam. Got all the bolts out to find the four loose ones had stripped threads. Others had partial stripping. The garage must have over-torqued the bolts.
    So I am now waiting for a Time-Sert kit (p/n 1087) with 14 inserts so that I can put everything back together and finally get my cherished 528 back on the track
    Moral of the story...always change your water-pump at around 80k, mine got to 100k and cost me two grand.
     
     

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    #2
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    xXxStKxXx's Car Details
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    Hi Bemmernut,Welcome to Bimmerforums.co.uk.......


    Sorry to hear your tale of woe....My waterpump had plastic imellars which disintergrated into the cooling system...So good advice to change it and to be sure to change it for one with Metal impellars too

    Hope you get your car back on the road soon
     
     

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    Hi and welcome to Bimmerforums UK, it's good to have you on board.

    Regarding your head bolt problem, the garage didn't over-torque them, it's really common on alloy blocks on BMW's that are over heated for the threads to pull out of the block, due to thermal weakening of the alloy from the over heating.

    Expect the other threads to do the same when you bolt the head back down.
     
     

  5. The Following User Says Thank You to Ronnie For This Useful Post:

    olivercox1983 (28-11-2009)

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    Hello and welcome to the forum, sorry to hear about all of your problems.

    Wise words there from my fellow moderators... These engines frequently cause all of the problems that you are experiencing. Hope you tale turns out to be a happy one
     
     

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    #5
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    Quote Originally Posted by Ronnie View Post
    Hi and welcome to Bimmerforums UK, it's good to have you on board.

    Regarding your head bolt problem, the garage didn't over-torque them, it's really common on alloy blocks on BMW's that are over heated for the threads to pull out of the block, due to thermal weakening of the alloy from the over heating.

    Expect the other threads to do the same when you bolt the head back down.
    Yep, I'd heard that on this board and others so that's why I've decided to Time-sert all 14 threads. I'll let you know on the results.
     
     

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    Welcome to the site mate
     
     

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    hi mate welcome ,similar thing happend to me ,apparnelty your suposed to use a lower torque setting on these to aviod the stripping of the threads, let us know how you get on with the timeserts will be interesting.
     
     

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    BimmerNut (03-12-2009)

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    #9
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    Hello Mate
     
     

  14. Good Advice 
    #10
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    Quote Originally Posted by cooperjohn View Post
    hi mate welcome ,similar thing happend to me ,apparnelty your suposed to use a lower torque setting on these to aviod the stripping of the threads, let us know how you get on with the timeserts will be interesting.
    Thanks, cooperjohn. I came to the same conclusion. You can pick up the continuing saga here
     
     

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