REAR END COLLISION BY HONDA ODYSSEY WHERE BRAKES LOCKED UP. ANTI-LOCK BRAKES DID NOT ENGAGE AND SOFT SPONGY FEEL TO BRAKES. BRAKE APPLIED ALL THE WAY TO FLOORBOARD. CONFIDENT IN USE OF ANTI-LOCK BRAKES FROM BMW DRIVING SCHOOL (OTHER CAR A BMW). DEALER INVESTIGATED AND FOUND NOTHING WRONG. *TR