Car Clubs

Audi

Audi Quattro Owners' Club
Audi Owners' Club
Club Audi UK
Audi 100 Coupe S Club of GB
Audi TT Owners' Club
Audi TT Coupe Sport Club
Audi A2 Owners' Club

BMW

http://www.bmw101.com
http://www.bmw.williamsf1.com
http://www.bmwcarclubgb.co.uk
http://www.bmw2002.co.uk
http://www.bmw-club.org.uk
BMW Drivers Club
http://www.bmw-club-europa.org
http://www.bmwclub.org.uk/midland/
http://www.britishminiclub.co.uk
http://uk.groups.yahoo.com/group/bmwe28/

Mercedes

http://www.smartcar-owner.co.uk
http://www.thesmartclub.co.uk

Porsche

Porsche Club Great Britain
The Independent Porsche Enthusiasts Club

Mini clubs