I have been using Griot's products for the last 15 years and would recommend them as they provide consistant results with normal applications.
Car Care Products, Detailing Supplies, Auto Accessories - Griot's Garage 800-345-5789

Recommendations
Interior
General Cleaning
Interior Cleaner. Works great on everytype of surface in our cars. Cleans carpets and door panels.
Leather Care - Great stuff
Vinyl & Rubber Dressing- no greasy residue like ArmorAll and no over shiny results.
Blue Detail Sponges- how to apply
Speed Shine® Use on all the shiny trim peices, like shifter console area, etc.

Tooth brushes for all the carpet around the stationary parts- foot rests, gas pedal, seat tracks, etc.

Steam cleaner is the only way to go if your interior looks like a 8 year old minivan that had scoccer duty one too many times. Miracle worker.

Use detailers supply to get your grit guards for your wash buckets. Everyone has their own thought so pick out the products that make sense to you and get scrubbin'.

I hate these postings as I went and ordered another $100 bucks worth of stuff after looking at everyone's postings. Wash, dry, drive, repeat.

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2005 X5 4.8IS
The Blue ones are always FASTER....

Current Garage:
2005 X5 4.8is
2002 M5 TiSilver
2003 525iT
1998 528i
Former Garage Stable Highlights
2004 325XiT Sport
1973 De Tomaso Pantera, L Model
1970 Dodge Challenger T/A 4 sp Alpine White
1970 Dodge Challenger T/A 4 sp GoManGo Green
1971 Dart Sport, “Dart Light” package
1969 Road Runner 383
1968 Ply Barracuda 340S FB Sea-foam Green