(19)

(11)

EP 1 104 342 A1

(12)

(43) Date of publication: 06.06.2001 Bulletin 2001/23 (21) Application number: 99934960.8 (22) Date of filing: 26.07.1999

(51) International Patent Classification (IPC)7: B21D 37/04, B21D 37/14, B30B 15/00, B30B 15/02 (86) International application number: PCT/GB9902/410 (87) International publication number: WO 0009/276 (24.02.2000 Gazette 2000/08)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 13.08.1998 GB 9817503 (71) Applicant: Bayerische Motoren Werke Aktiengesellschaft 80809 München (DE)	(72) Inventor: BROAD, John, Leslie Chipping Norton,Oxfordshire OX7 3BP (GB)