This may well have been discussed in the past. I know there is an issue with alloy wheel damage however my wheels seem to be impregnated with road grime. No matter how hard you scrub the stubborn black marks will not come off. All 4 wheels are affected and have been for a while.

It look like the alloys were never laquered (if thats what they do) and therefore grime gets into the surface.

This common or just mine ?
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07MY TDV6 HSE, Zermatt Silver, Privacy Glass, Tow Bar, Phone Cradle, Mud Flaps

On order Hybrid 3lt Sport ......expected 2009

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LR Defender 07

All the same - best advice/solution = Wonder wheels = Beststuff on the market. [ takes a while though ]
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" WITH MORE EXTRAS THAN A HOLLYWOOD EPIC "

I use Muc Off very good
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RRS TDV6 Gone but still around

SL55 AMG
760Li Alpina
BMW 320D Coupe M Sport
BMW 320D M Sport
And A Van For The Dog

Oh and i love the girlzzzzzzzzzz!!!

I suggest using an eastern european.
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" WITH MORE EXTRAS THAN A HOLLYWOOD EPIC "

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RRS TDV6 Gone but still around

SL55 AMG
760Li Alpina
BMW 320D Coupe M Sport
BMW 320D M Sport
And A Van For The Dog

Oh and i love the girlzzzzzzzzzz!!!

Yeah, I use the same method as Shmoogle. Fantastic results every time, or your money back guaranteed.
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Arctic Frost TDV6 SE. Aspen Leather, Cherry Wood, Privacy Glass, PTI, Tow Pack, Mudflaps, Tasmods, a new Fuelflap, a RRSport.co.uk umbrella in the boot & a RRSport.co.uk sticker on the rear glass.
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...or they get to meet Mr Baseball Bat.
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JayMann wrote:

I use Muc Off very good

I use some stuff bought from a cheap stuff in town on the Freelander. A good clean doesn't cost more than £2.50, thats for exterior shampoo, polish, interior cleaner and alloy cleaner
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2002 Discovery Adventurer LE
1998 Freelander xedi
Ertl limited edition RRS model number 817

I used to have he same problem on my M5, landlord, it was dust/particles from the brake pads they were so hot that they would melt the lacquer on the alloy wheels and then sit there and look like black marks on the wheels. i cured it by having the lacquer stripped and the wheels polished, and left in a polished state, pain in the Ass keep polishing though, but it did cure it.

That might be your problem, just a thought
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RRS TDV6 sold RRS, TDV8 nearly sold, Ferrari 355 sold, Cobra sold,

now driving an 06 Freelander sport

Same problem on mine. Brake dust started to pit into the alloy after a few thousand miles. This is despite me cleaning the car every weekend; using P21s and none of this phosphoric acid stuff.

Went to the local LR dealer. They cleaned them (with acid), couldn't get all the dark dust out of the little pits either, but said LR probably wouldn't listen.

Worst wheels I've ever had.

Not happy.
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The Power of Four

Beginning to make sense - the hot dust theory seems like it might be the reason. Certainly looks like the alloys are pitted. Its going into LR next week for the seats will mention it then !
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07MY TDV6 HSE, Zermatt Silver, Privacy Glass, Tow Bar, Phone Cradle, Mud Flaps

On order Hybrid 3lt Sport ......expected 2009

-----------------------------

LR Defender 07

Singletrack wrote:

Is the "Muc Off" you use the same as the Muc Off sold to clean bikes?

Like MDP, I've used Wonder Wheels on the alloys and it brings 'em up a treat. Bit of hard work, perhaps, but the bad news is they go back to crap within a few thousand miles. Best keep that East Eurpoean handy!!!