Cleaning Exhaust Tips

Kief · 11-29-2018, 10:54 AM

Anyone have input on how best to clean these exhaust pipes?
Not so much the carbon, but the discoloration (yellowing) along the exhaust tip edge, particularly the driver's side.
I've tried Never Dull Metal Polish with fine steel wool, Bar Keepers Friend, ScotchBrite, but nothing works for me.
I'm no stranger to ///M exhausts, but these are very stubborn stains

Maverik259 · 11-30-2018, 10:00 PM

Quote:

Originally Posted by Kief

Anyone have input on how best to clean these exhaust pipes?
Not so much the carbon, but the discoloration (yellowing) along the exhaust tip edge, particularly the driver's side.
I've tried Never Dull Metal Polish with fine steel wool, Bar Keepers Friend, ScotchBrite, but nothing works for me.
I'm no stranger to ///M exhausts, but these are very stubborn stains

Hmm I don't have any of that just the carbon which I use fine grit sand paper to clean and polish my tips.

musa · 12-01-2018, 01:26 AM

Quote:

Originally Posted by Kief

Anyone have input on how best to clean these exhaust pipes?
Not so much the carbon, but the discoloration (yellowing) along the exhaust tip edge, particularly the driver's side.
I've tried Never Dull Metal Polish with fine steel wool, Bar Keepers Friend, ScotchBrite, but nothing works for me.
I'm no stranger to ///M exhausts, but these are very stubborn stains

I don't see any yellowing on mine. I just clean the exhausts tips with a towel dumpened with glass cleaner every time I wash the car. That keeps away accumulation of carbon.

Kief · 12-01-2018, 02:15 AM

Hmm...I'll try and take a pic.
Maybe I'm running too rich or I'm just too OCD and notice, but you can see the yellowing/dullness from the driver's side to the shiny/polished passenger side even after cleaning them.

pachieh · 12-01-2018, 06:40 AM

Get metal polish from any auto parts store

Kief · 12-01-2018, 07:24 AM

Quote:

Originally Posted by pachieh

Get metal polish from any auto parts store

Thanks, but I mentioned I tried that already

pachieh · 12-01-2018, 07:50 AM

Quote:

Originally Posted by Kief

Quote:

Originally Posted by pachieh

Get metal polish from any auto parts store

Thanks, but I mentioned I tried that already

Whoops! Didn't read that far...

You try it with one of the cordless drill attachments that has a polish tip?

Kief · 12-01-2018, 08:14 AM

Quote:

Originally Posted by pachieh

Whoops! Didn't read that far...

You try it with one of the cordless drill attachments that has a polish tip?

NP...yeah, I might have to, but with <3k miles, I wouldn't think it would be necessary. Certainly thought Never Dull and steel wool would have taken care of it. I'd prefer a chemical to remove the dullness. I need to take pics. It's a strange discoloration, probably most people wouldn't even notice. But to me, I don't like how my left and right side exhaust tips aren't as equally shiny. I know...such problems I have!!

pachieh · 12-01-2018, 08:17 AM

I'd rather use a polish than a chemical because you never know how much further damage a chemical will do over a polish tip

Kief · 12-02-2018, 01:05 PM

So I attempted to take some pics. Unfortunately, not the greatest, but I think it shows what I'm talking about. Red arrows show the discoloration I'm trying to remove, green arrows show the polished metal. Driver's side tips primarily affected. Last pic shows the passenger side.

Kraftwerk AG · 12-02-2018, 08:11 PM

Quote:

Originally Posted by Kief

Anyone have input on how best to clean these exhaust pipes?
Not so much the carbon, but the discoloration (yellowing) along the exhaust tip edge, particularly the driver's side.
I've tried Never Dull Metal Polish with fine steel wool, Bar Keepers Friend, ScotchBrite, but nothing works for me.
I'm no stranger to ///M exhausts, but these are very stubborn stains

Yep, I tried Never Dull and chrome polish also. But those stubborn stains will not come off and mine is 3 years older. I do prefer the original tips and have a suspicion it's the chroming process use by the OEM manufacturer. My C63 does not have this problem. Either I'll live with this or have them removed & triple chrome plated.

Kief · 12-03-2018, 06:17 AM

Quote:

Originally Posted by DeeO

Yep, I tried Never Dull and chrome polish also. But those stubborn stains will not come off and mine is 3 years older. I do prefer the original tips and have a suspicion it's the chroming process use by the OEM manufacturer. My C63 does not have this problem. Either I'll live with this or have them removed & triple chrome plated.

Thanks for sharing. Yeah, I never experienced this on my M4.
I'm not going to waste anymore money/time on a product to try and remove. Next time I'm at the dealer, I'll bring it up and maybe it will be warranty issue. Doesn't look like the tips are removable however?

Kraftwerk AG · 12-03-2018, 08:51 AM

Good question! I'll have to take a better look or maybe someone can chime in? My SA is super cool & I might bring this up as well. Good luck with your dealership visit tho

Maverik259 · 12-03-2018, 09:49 AM

Looks like the chrome plating is coming off. Nothing you can do about that

pk9394 · 12-03-2018, 12:46 PM

oxidized?

arciga18 · 12-05-2018, 03:08 PM

Time to sell the truck . Grosss

Kief · 12-06-2018, 10:14 AM

Quote:

Originally Posted by arciga18

Time to sell the truck . Grosss

Maybe...between this and the noisy brakes!!

Kraftwerk AG · 12-06-2018, 04:41 PM

Quote:

Originally Posted by Kief

Maybe...between this and the noisy brakes!!

Don't forget the wheel bearing issues!

11-29-2018, 10:54 AM	#1
Kief Major General 4433 Rep 5,728 Posts Drives: '24 iX50; '23 i4 M50 Join Date: Dec 2009 Location: Vereinigte Staaten von Amerika iTrader: (26)	Cleaning Exhaust Tips Anyone have input on how best to clean these exhaust pipes? Not so much the carbon, but the discoloration (yellowing) along the exhaust tip edge, particularly the driver's side. I've tried Never Dull Metal Polish with fine steel wool, Bar Keepers Friend, ScotchBrite, but nothing works for me. I'm no stranger to ///M exhausts, but these are very stubborn stains __________________ __________________ '24-I20 iX 50; '23-G26 i4 M50; '22-G82 M4Cx;20-G05 M50i; '20-F82 M4CS; '18-F80 M3CS; '18-F80 M3CS; '18-F85 X5M; '18-G01 X3M40i; '18-F80 M3ZCP; '17-F80 M3ZCP; '15-F15 X5; '15-F82 M4; '12-E92 335is; '11-E70 X5d; '11-E89 Z435is;'09-E89 Z435i; '08-E92 335i; '06-E90 330i; '05-E83 X3; '04-E83 X3; '03-E46 325Ci* *retired
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12-01-2018, 02:15 AM	#4
Kief Major General 4433 Rep 5,728 Posts Drives: '24 iX50; '23 i4 M50 Join Date: Dec 2009 Location: Vereinigte Staaten von Amerika iTrader: (26)	Hmm...I'll try and take a pic. Maybe I'm running too rich or I'm just too OCD and notice, but you can see the yellowing/dullness from the driver's side to the shiny/polished passenger side even after cleaning them. __________________ __________________ '24-I20 iX 50; '23-G26 i4 M50; '22-G82 M4Cx;20-G05 M50i; '20-F82 M4CS; '18-F80 M3CS; '18-F80 M3CS; '18-F85 X5M; '18-G01 X3M40i; '18-F80 M3ZCP; '17-F80 M3ZCP; '15-F15 X5; '15-F82 M4; '12-E92 335is; '11-E70 X5d; '11-E89 Z435is;'09-E89 Z435i; '08-E92 335i; '06-E90 330i; '05-E83 X3; '04-E83 X3; '03-E46 325Ci* *retired
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12-01-2018, 06:40 AM	#5
pachieh Captain 244 Rep 637 Posts Drives: '17 X5M Join Date: Apr 2017 Location: MD iTrader: (0)	Get metal polish from any auto parts store __________________ 2017 X5M, Donnington Grey, Aragon Brown Eisenmann Pro, Dinan Intake, BM3 Stage 1, XHP Stage 3 21" Vossen VFS-1 on Michelin PSS
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12-01-2018, 08:17 AM	#9
pachieh Captain 244 Rep 637 Posts Drives: '17 X5M Join Date: Apr 2017 Location: MD iTrader: (0)	I'd rather use a polish than a chemical because you never know how much further damage a chemical will do over a polish tip __________________ 2017 X5M, Donnington Grey, Aragon Brown Eisenmann Pro, Dinan Intake, BM3 Stage 1, XHP Stage 3 21" Vossen VFS-1 on Michelin PSS
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12-02-2018, 01:05 PM	#10
Kief Major General 4433 Rep 5,728 Posts Drives: '24 iX50; '23 i4 M50 Join Date: Dec 2009 Location: Vereinigte Staaten von Amerika iTrader: (26)	So I attempted to take some pics. Unfortunately, not the greatest, but I think it shows what I'm talking about. Red arrows show the discoloration I'm trying to remove, green arrows show the polished metal. Driver's side tips primarily affected. Last pic shows the passenger side. Attached Images __________________ __________________ '24-I20 iX 50; '23-G26 i4 M50; '22-G82 M4Cx;20-G05 M50i; '20-F82 M4CS; '18-F80 M3CS; '18-F80 M3CS; '18-F85 X5M; '18-G01 X3M40i; '18-F80 M3ZCP; '17-F80 M3ZCP; '15-F15 X5; '15-F82 M4; '12-E92 335is; '11-E70 X5d; '11-E89 Z435is;'09-E89 Z435i; '08-E92 335i; '06-E90 330i; '05-E83 X3; '04-E83 X3; '03-E46 325Ci* *retired
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Cleaning Exhaust Tips

12-03-2018, 08:51 AM	#13
Kraftwerk AG Major 460 Rep 1,025 Posts Drives: Mein F Fünfundachtzig Einhorn Join Date: Mar 2017 Location: RIP Florian Schneider-Esleben iTrader: (8)	Good question! I'll have to take a better look or maybe someone can chime in? My SA is super cool & I might bring this up as well. Good luck with your dealership visit tho
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12-03-2018, 09:49 AM	#14
Maverik259 Major General 4140 Rep 7,160 Posts Drives: F90 M5 / F15 50i Join Date: Jun 2017 Location: Virginia iTrader: (1) Garage List 2020 BMW M5 [10.00] 2014 X5 50i [0.00]	Looks like the chrome plating is coming off. Nothing you can do about that __________________ '07 Yamaha R1 (sold) '06 C55 AMG (sold) ‘?20 M5, MP Carbon Pro Spoiler, MP Carbon Diffuser, MP Black grille and gills, MP Carbon Mirrors, CF side sills, 789M w/ Ti studs, eventuri, Dinan X pipe '14 X5 50i (wife’s now)
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12-03-2018, 12:46 PM	#15
pk9394 Second Lieutenant 94 Rep 239 Posts Drives: X5M Join Date: May 2018 Location: USA iTrader: (0)	oxidized?
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12-05-2018, 03:08 PM	#16
arciga18 Brigadier General 1729 Rep 3,654 Posts Drives: LeMans/ Chestnut E90, RWD Join Date: Apr 2012 Location: Chicago iTrader: (3)	Time to sell the truck . Grosss
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