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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Sat, Jul-29-2017, 05:43:21 PM   #1
JitteryJoe
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Default Cam tray camshaft bearing

I noticed that one of the camshaft resting points (whatever you call them) is scored. This is the intake cam tray. Running my finger across it, it is definitely rough. I'm installing new cams to a newly machined head. Can I just use a fine grit paper to smooth? I don't want to leave it as it.
Thanks!
Joe

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Old Sat, Jul-29-2017, 06:23:53 PM   #2
Braymond141
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Default Re: Cam tray camshaft bearing

Fairly common. I use small scotch pad balls for drills to clean mine up. Machine shops will use a fine grit flap wheel.

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Old Sat, Jul-29-2017, 06:30:26 PM   #3
JitteryJoe
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Default Re: Cam tray camshaft bearing

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Originally Posted by Braymond141 View Post
Fairly common. I use small scotch pad balls for drills to clean mine up. Machine shops will use a fine grit flap wheel.
Thank you. At $450 per tray I was hoping a new tray was not required.
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Old Sat, Jul-29-2017, 06:41:49 PM   #4
Braymond141
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Default Re: Cam tray camshaft bearing

As long as you knock down any peaks that might score the cam bearing journals, it’s fine. Unremovable valleys don’t fuss over.
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Old Mon, Aug-28-2017, 05:21:27 AM   #5
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Default Re: Cam tray camshaft bearing

Hi there! Thank you guys for detailed answers, because I had the same problem with my car recently. Now it's gone. Thanks once more. Best regards, essaywriter expert.
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Discussing Cam tray camshaft bearing in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)