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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) Local Forums UK Wax on brake discs - argh!

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      03-20-2020, 05:40 AM   #1
sharepointalex
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Wax on brake discs - argh!

Giving the M340i a quick wipe down this morning with meguirs wash and wax spray, as I do when the car hasn't been driven but it's been raining so not that dirty.

I think I've ended up getting a bit of overspray on the brake discs (probably only 1 of them)

When I went out in the car after it was clear that I had as they are not as sharp. I've done a few brake 'tests' to a stop, granted only 2 or 3 and the drive I did was only 15/20 mins (dropping the car to local Sytner dealer to have ConnectedDrive fixed - hopefully) and they didn't seem to improve.

I'm pretty certain that with some spirited driving/over a couple of days it will all burn off?? They get so hot after all I don't think it will have soaked through the pads...

Obviously I can wipe down the discs with some brake cleaner when I get the car back later but I think some spirited driving will do it.

Thoughts?
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      03-20-2020, 06:13 AM   #2
Tam the Bam
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Quote:
Originally Posted by sharepointalex View Post
Giving the M340i a quick wipe down this morning with meguirs wash and wax spray, as I do when the car hasn't been driven but it's been raining so not that dirty.

I think I've ended up getting a bit of overspray on the brake discs (probably only 1 of them)

When I went out in the car after it was clear that I had as they are not as sharp. I've done a few brake 'tests' to a stop, granted only 2 or 3 and the drive I did was only 15/20 mins (dropping the car to local Sytner dealer to have ConnectedDrive fixed - hopefully) and they didn't seem to improve.

I'm pretty certain that with some spirited driving/over a couple of days it will all burn off?? They get so hot after all I don't think it will have soaked through the pads...

Obviously I can wipe down the discs with some brake cleaner when I get the car back later but I think some spirited driving will do it.

Thoughts?
Should improve with use. If you have access to detailing cleaner or IPA then that will also take it off.
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      03-20-2020, 06:22 AM   #3
sharepointalex
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Quote:
Originally Posted by Tam the Bam View Post
Should improve with use. If you have access to detailing cleaner or IPA then that will also take it off.
IPA - Isopropyl Alcohol?

Got some of that
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      03-20-2020, 07:29 AM   #4
Tam the Bam
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Quote:
Originally Posted by sharepointalex View Post
IPA - Isopropyl Alcohol?

Got some of that
Yep.... isopropyl alcohol.
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      03-20-2020, 08:15 AM   #5
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Or possibly brake cleaner
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      03-21-2020, 07:29 AM   #6
Mattyk
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What’s wrong with connected drive?
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