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daywilmOffline
Post subject: PO'd at BMW Engineers  PostPosted: Sep 09, 2013 - 02:21 PM
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Joined: Nov 22, 2009
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Location: Tulsa, Oklahoma
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I'm so PO'd at BMW engineers I could choke them. They insist on using tons of 6mm bolts that snap off at the slightest pressure. What's more, they insist on using steel bolts in aluminum castings apparently without any anti-seize and the galvanic action that happens over time makes some of them nearly impossible to remove. But what I'm really PO'd about is the shallow hex socket head cap screw they use on the mounting flanges that the distributor rotors mount to. This is also stuck and even using the proper 6mm hex socket it won't budge without rounding the hex socket. Anybody have any advice how to get these out? My original intention was to replace all the gaskets on the outer cases while the engine was out and everything was easy to get to, but the BMW engineers have made this easy job a PITA. I'm about to trash the $200 worth of gaskets I bought and just let it leak oil on the ground.

This is the first time in the 3 years I've been working on this build that I've gotten so frustrated that i don't even want to work on it right now.
 
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CCIEOffline
Post subject: Re: PO'd at BMW Engineers  PostPosted: Sep 09, 2013 - 04:23 PM
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Joined: Oct 19, 2009
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Planned obsolescence and Value engineering (VE for the purpose of cutting cost and planed obsolescence)

Got to love it......

Wonder how much we are forced to spend just so the corporate giants can make more and continued profit.....


daywilm wrote:
I'm so PO'd at BMW engineers I could choke them. They insist on using tons of 6mm bolts that snap off at the slightest pressure. What's more, they insist on using steel bolts in aluminum castings apparently without any anti-seize and the galvanic action that happens over time makes some of them nearly impossible to remove. But what I'm really PO'd about is the shallow hex socket head cap screw they use on the mounting flanges that the distributor rotors mount to. This is also stuck and even using the proper 6mm hex socket it won't budge without rounding the hex socket. Anybody have any advice how to get these out? My original intention was to replace all the gaskets on the outer cases while the engine was out and everything was easy to get to, but the BMW engineers have made this easy job a PITA. I'm about to trash the $200 worth of gaskets I bought and just let it leak oil on the ground.

This is the first time in the 3 years I've been working on this build that I've gotten so frustrated that i don't even want to work on it right now.

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AdrianBurtonOffline
Post subject: RE: Re: PO  PostPosted: Sep 09, 2013 - 08:30 PM
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I had to use vice grips to remove some of mine, but you have made a STRONG case for using anti-sieze when we replace parts

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jdinnerOffline
Post subject: RE: Re: PO  PostPosted: Sep 10, 2013 - 10:18 AM
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Location: Toronto, Ontario, Canada
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The worst is yet to come. IF you do get the rotors off the rotor mount requires a special puller to get it off the camshaft in order to change that cover gasket.
A couple of things to try;
Gently heat it first
or
Lay a 1/4" or 5/16" nut over the rounded bolt head, using a MIG welder, weld through the center of the nut to the bolt. You can now use the outside of the nut to wrench it out.

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daywilmOffline
Post subject:   PostPosted: Sep 11, 2013 - 01:00 AM
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Joined: Nov 22, 2009
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Thanks Jim. I hadn't thought of that. Guess those 30+ years of experience come in handy!
 
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