Rinse the beans and let them drain. Peel onion and garlic, dice finely. Clean, wash and chop the celery and bell peppers. Cut the chilli lengthwise, remove seeds, wash and chop. Wash thyme, shake dry, pluck off leaves.
Fry everything but beans in hot oil. Add tomatoes, 400 ml water and bulgur, bring to the boil. Season with salt and pepper. Simmer covered chili for about 10 minutes. Heat the beans briefly.