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      05-16-2018, 10:14 AM   #1
Phil@BPC
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Differences between Stock and Forged S63 Pistons

Not many get to see the internal workings or parts of any engines. Below are photos to show the differences between a stock cast piston and a forged coated piston we have developed for our S63 builds.

There are many places where the piston has been beefed up along with the wrist pin. Another area where differences can be spotted is the oil ports where the oil control ring is installed. The factory cast piston has only 4 ports where the forged piston as 14 ports.

I will let the photos do the talking.













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      05-16-2018, 10:26 AM   #2
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Great pics and comparison. Car porn.
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      05-16-2018, 12:27 PM   #3
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Great comparison, thanks for sharing!
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      05-16-2018, 04:40 PM   #4
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      05-16-2018, 05:10 PM   #5
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Those are nice.
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      05-16-2018, 10:23 PM   #6
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How much are pistons and rods
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      05-17-2018, 07:30 AM   #7
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Quote:
Originally Posted by WickedBMW View Post
How much are pistons and rods
Tom will be able to help you with that. He can be reached at Thomas@bimmerperformancecenter.com
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      05-26-2018, 08:31 PM   #8
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Beautiful, what are you guys using for a rod solution ?
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      05-29-2018, 09:23 AM   #9
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We are using H-Beam Rods. More details can be seen and found here:

https://bimmerperformancecenter.com/...engine-package
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      06-13-2018, 05:44 PM   #10
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Very Nice! Any reason to change piston face profile, or can ignition issues be tuned out through timing?
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