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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > 320d exhaust cleaning tips



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      01-11-2011, 01:39 PM   #1
Daz_England
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320d exhaust cleaning tips

What is that best way to clean up my 320d exhaust? Lots of baked on black specs on it. Cheers for your help
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      01-11-2011, 02:08 PM   #2
chesney72
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Hob-Brite works well
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      01-11-2011, 02:15 PM   #3
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Autosol works well.
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      01-11-2011, 02:33 PM   #4
Daz_England
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Got to get my eyes tested.. Read Autosol as Anusol at which point my first thought was 'My arse!' Don't you love my dsilxeia
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      01-11-2011, 02:50 PM   #5
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Not sure Halfords do anusol
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      01-11-2011, 03:00 PM   #6
chesney72
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Quote:
Originally Posted by Daz_England View Post
Got to get my eyes tested.. Read Autosol as Anusol at which point my first thought was 'My arse!' Don't you love my dsilxeia
hope you don't keep them in the same cupboard
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      01-11-2011, 03:40 PM   #7
Baby Dave
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Brillo pad works well on the down pointing exhaust
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      01-11-2011, 11:11 PM   #8
shane55
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Get a DPF and it will stay clean forever...

or autoglym engine and machine cleaner...will prob be cheaper!!
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      01-12-2011, 08:46 AM   #9
Statler
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Autosol on a bit of brillo or wire wool to clean it up, then repeat weekly with autosol on a microfibre.
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      01-12-2011, 09:00 AM   #10
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will it come out and nice and shiny ?
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      01-17-2011, 05:41 AM   #11
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+1 on the Autosol, got a tube from halfrauds for 5 and used it with a green pan scourer to get the worst of the crap off then gave it a polish with a rag.

Amazed at the outcome, wasn't expecting it to work so well.
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      01-17-2011, 06:00 AM   #12
p1tse
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Quote:
Originally Posted by shane55 View Post
Get a DPF and it will stay clean forever...

or autoglym engine and machine cleaner...will prob be cheaper!!
do all 320d not have DPFs then?

but DPFs can fail and clog up though.
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      01-17-2011, 09:00 AM   #13
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Another vote for Autosol, here are the results of it on mine:

Name:  IMG_0045.jpg
Views: 959
Size:  278.4 KB

Name:  IMG_0047.jpg
Views: 792
Size:  271.5 KB
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      01-17-2011, 02:26 PM   #14
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Autosol with old toothbrush to see how you go, but if like other smoker E9X BMWs I've seen, you will need more than that so try super fine (grade 0) wire wool, or maybe brillo pad if you don't have the wool.

Failing that, use a dremel type rotary tool with wire wheel attachment and it will shift the burnt spots and real hard carbonation etc no problem.

Be prepared for hand application to take a frikkin age or use the dremel tool and it will take about an hour max.
HTH
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      01-17-2011, 03:19 PM   #15
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Cut it off, go to your nearest Powerflow dealer and get a 330 double pipe fitted.
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      01-17-2011, 06:34 PM   #16
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Quote:
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Cut it off, go to your nearest Powerflow dealer and get a 330 double pipe fitted.
Uh Oh... you've started something now!
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      01-17-2011, 07:39 PM   #17
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How BMW ever thought that downward spout was befitting of a 30k car I will never know. The oval pipe is hardly any better.

Every model should have left the factory with the 6 cylinder exhaust tip imo.
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