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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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Old 10-12-2012, 04:00 PM
Jim Rolando Jim Rolando is offline
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Rusty Rotor Hubs

The hubs on my brand new rotors are already starting to rust. I must admit that I've never worried about that before or bothered to clean them up on any car. But, These looked really nice behind my wheels. I'm going to sand them with fine sand paper to clean them. But, does anyone have a favorite product to spray coat them with to prevent it from happening?
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Old 10-12-2012, 05:25 PM
edjack edjack is online now
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Don't worry about the friction surfaces. The rust will go away on the first brake app.

If you are fastitious, remove the rotors, clean with metal prep and acetone, mask off the friction surfaces, and blast on a layer of hi-temp paint.
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Old 10-13-2012, 09:03 AM
Jim Rolando Jim Rolando is offline
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Yeah Ed. I'm not worried about the friction surfaces, I just want to keep the hats looking new as possible. These were supposed to be, "rust resistant", but, the resistance was pretty spineless. Now they have developed a lite rust patene that shouldn't be hard to remove at this stage.
Thanks.

Jim
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Old 10-13-2012, 10:28 AM
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doru doru is offline
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Hello Jim. I painted the hats of my rotors to avoid that nasty rust look. As a result, the wheels slide in and out easier as well, not getting stuck in the grit formed by the rust. Better do it now before the big snowfall, followed by salt from the road maintenance crews & the formed slush.

Here's a shot (hard to see, because they're black like the calipers):

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Old 10-13-2012, 12:49 PM
Jim Rolando Jim Rolando is offline
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Looks good. Yeah, I need to get on it this week because the sun ain't gonna be out much longer.

Thanks.

Jim
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