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BMW 3-Series (E90 E92) Forum
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The N54 engine pistons are cast (and not forged).
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06-09-2011, 10:02 PM | #178 | |
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The shop also said there was a significant difference in both pistons, further confirming my August 2006 built had forged ipistons. |
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06-09-2011, 10:10 PM | #179 |
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06-10-2011, 12:27 AM | #181 |
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somebody got it... All someone needs to do is show a pic of the two... Lol.
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06-10-2011, 10:57 AM | #182 | |
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Alan
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06-10-2011, 09:31 PM | #183 | |
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06-10-2011, 10:26 PM | #184 | |
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The premium stereo also came automatically with the 335 and then it became an add on option, etc., etc., and who can blame them? The USD has been devalued like crazy while real wages are slightly down. You have to cut to keep the nominal price close and keep some kind of real margin going while offering a price that people will still consider. |
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06-11-2011, 06:58 AM | #185 |
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Flash lights no longer available, hood insulator no longer available, cigarette lighter, tools, and I am sure there are a couple more. From a business standpoint eliminating those items that most will not notice can reduce the overall overhead of the company by millions and millions. I think this forge to cast is not far fetched and there is truth to it
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06-11-2011, 07:49 AM | #187 |
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Guys... Swapping out storage nets behind the seats and removing the tool box is VERY different from swapping out a major engine component. Did anyone read what dzenno posted about the part dates dates??? You guys are going by 1) what a aftermarket company is saying and 2) some he said she said mechanic. For all we know BMW could have changed the part numbers at the end of 12/2009 for no reason (happens all the time) or they could have enhanced it for the upcoming IS and 1m models.
Alan
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Last edited by Alan l.; 06-11-2011 at 07:55 AM.. |
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06-11-2011, 08:16 AM | #188 | |
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Last edited by scottp999; 06-11-2011 at 08:28 AM.. |
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06-11-2011, 08:22 AM | #189 |
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All three guys that had their engines opened up has confirmed this, I guess we just have to wait till someone with a later date after the parts # change to do a major engine overhaul to confirm this. Your right Alan, at this point its speculation but I still believe given how companies are in making profit while trying to still have a set price, there is truth to this, but for it to be proven we have to wait and see
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06-11-2011, 09:06 AM | #190 | |
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Neil |
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06-11-2011, 09:12 AM | #191 |
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I work for a dealership. I could order one piston of the newer part number if somebody local (chicago area) has the knowledge/equipment to verify forged vs. cast.
You can shine, tumble, or condition the exterior of a cast piston to look however you want, I'm not certain it's something you could eyeball. Perhaps if a shop local had an old piston and we could weigh them, etc, that would be revealing. |
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06-11-2011, 09:35 AM | #192 |
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If you can take detail pictures of it from different views it may help and we could at least see if there is any difference at all from older pistons that are depicted by Enrita and E92fan.
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06-11-2011, 09:43 AM | #193 | |
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You should try to order one. |
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06-11-2011, 10:39 AM | #194 | |
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06-11-2011, 12:32 PM | #195 |
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Looks like I can't order one (at least I can't order an N55 piston, the 409 part number because there are ZERO in the country.
It doesn't cost my parts department anything if I throw one on a ground order from one of our stocking warehouses, but it DOES cost me to order from Germany. Sadly, the boss frowns upon me incurring the dealership fees to satisfy my own curiosity |
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06-11-2011, 12:35 PM | #196 | |
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08-10-2011, 09:03 AM | #197 |
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Wait. So did the part numbers change in 2007 or 2009? People are saying both things.
I've been debating throwing a turbo kit and some other things into my car now that the warranty is shot and would love to know if I already have fully forged internals. 06/2008 build |
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