{"id":967,"date":"2011-05-17T15:25:00","date_gmt":"2011-05-17T15:25:00","guid":{"rendered":"http:\/\/carideal.com\/blog\/?p=967"},"modified":"2020-03-07T20:21:31","modified_gmt":"2020-03-07T19:21:31","slug":"bmw-downsizing-et-turbo","status":"publish","type":"post","link":"https:\/\/www.carideal.com\/blog\/2011\/05\/17\/bmw-downsizing-et-turbo\/","title":{"rendered":"BMW Downsizing et turbo"},"content":{"rendered":"<\/p>\n
\n

BMW a con\u00e7u un monocylindre de 500 cm3 et cr\u00e9era ses moteurs \u00e0 3, 4 ou 6 cylindres autour de cette architecture<\/p>\n<\/blockquote>\n

Downsizing, r\u00e9duction des co\u00fbts, durcissement des normes anti-pollution ont men\u00e9s BMW \u00e0 concevoir une nouvelle g\u00e9n\u00e9ration de moteurs tous bas\u00e9s sur le m\u00eame \"moule\".
\nLes 3, 4 et 6 cylindres seront tous con\u00e7us sur la m\u00eame base d'un monocylindre de 500 cm3 qui d\u00e9veloppera de 41 \u00e0 68 ch en essence et de 27 \u00e0 54 ch en diesel. BMW n'aura qu'\u00e0 augmenter le nombre de cylindre pour augmenter la puissance....BMW \u00e9quipera ces moteurs de ce qu'elle appelle le pack \"twinpower turbo\" qui comprend l'injecteur central, le Vanos(syst\u00e8me de calage variable de la distribution), le valvetronic (actionnement des soupapes variable), et le turbo \u00e0 g\u00e9om\u00e9trie variable.
\nDeux type de turbo seront utilis\u00e9s : \u00e0 double entr\u00e9 de type twinScroll ou double turbo. Bmw fait tr\u00e8s fort sur l'architecture m\u00e9canique, en ayant en commun toutes les pi\u00e8ces \"lourdes\" de fonderie quel que soit le moteur : le bas moteur, le carter, le bloc, mais aussi le syst\u00e8me de refroidissement, la culasse, les arbres d'\u00e9quilibrages etc.
\nSeuls les pistons et les bielles seront renforc\u00e9s sur le diesel par rapport \u00e0 l'essence.
\nBMW annonce que le nombre de pi\u00e8ces communes entre ses moteurs essences et diesels sera de 40% et de 60% entre un trois et un 6 cylindres. Les co\u00fbt de revient vont baisser ainsi que le nombre de fournisseurs. Le constructeur y sera aussi gagnant industriellement en n'utilisant plus que trois lignes de montage.
\n\"P90045740\"<\/p>\n

\n

BMW pourra ainsi se consacrer \u00e0 des projets plus sp\u00e9cifiques...<\/p>\n<\/blockquote>\n

\/ une traction chez BMW<\/a>
\n\/ Nouveaux petits moteurs essence<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

BMW a con\u00e7u un monocylindre de 500 cm3 et cr\u00e9era ses moteurs \u00e0 3, 4 ou 6 cylindres autour de cette architecture Downsizing, r\u00e9duction des co\u00fbts, durcissement des normes anti-pollution ont men\u00e9s BMW \u00e0 concevoir une nouvelle g\u00e9n\u00e9ration de moteurs tous bas\u00e9s sur le m\u00eame \u00ab\u00a0moule\u00a0\u00bb. Les 3, 4 et 6 cylindres seront tous con\u00e7us … Lire plus<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-967","post","type-post","status-publish","format-standard","hentry","category-marche-automobile-voiture-neuve-occasion-4x4-suv"],"wppr_data":[],"yoast_head":"\nBMW Downsizing et turbo - Blog auto Carid\u00e9al<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.carideal.com\/blog\/2011\/05\/17\/bmw-downsizing-et-turbo\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"BMW Downsizing et turbo - Blog auto Carid\u00e9al\" \/>\n<meta property=\"og:description\" content=\"BMW a con\u00e7u un monocylindre de 500 cm3 et cr\u00e9era ses moteurs \u00e0 3, 4 ou 6 cylindres autour de cette architecture Downsizing, r\u00e9duction des co\u00fbts, durcissement des normes anti-pollution ont men\u00e9s BMW \u00e0 concevoir une nouvelle g\u00e9n\u00e9ration de moteurs tous bas\u00e9s sur le m\u00eame "moule". 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