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{"id":9239,"date":"2011-01-23T10:08:32","date_gmt":"2011-01-23T09:08:32","guid":{"rendered":"https:\/\/www.alpina-archive.com\/?page_id=9239"},"modified":"2025-10-11T10:57:56","modified_gmt":"2025-10-11T08:57:56","slug":"d-series","status":"publish","type":"page","link":"https:\/\/www.buchloe-archive.com\/?page_id=9239","title":{"rendered":"[D]"},"content":{"rendered":"<p><ul id='postTabs_ul_9239' class='postTabs' style='display:none'>\n<li id='postTabs_li_0_9239' class='postTabs_curr'><a  id=\"9239_0\" onMouseOver=\"posTabsShowLinks('Introduction'); return true;\"  onMouseOut=\"posTabsShowLinks();\"  class='postTabsLinks'>Introduction<\/a><\/li>\n<li id='postTabs_li_1_9239' ><a  id=\"9239_1\" onMouseOver=\"posTabsShowLinks('Specifications'); return true;\"  onMouseOut=\"posTabsShowLinks();\"  class='postTabsLinks'>Specifications<\/a><\/li>\n<\/ul>\n\n<div class='postTabs_divs postTabs_curr_div' id='postTabs_0_9239'>\n<span class='postTabs_titles'><b>Introduction<\/b><\/span><\/p>\n<p>The D-series engines are based on the BMW M70, S70 and M73 V12 engines.<\/p>\n<p>The D1 and D1\/1 engines were also offered as aftermarket upgrade kit.<\/p>\n<div align=center>\n<h3>D1<\/h3>\n<\/div>\n<p>The D1 engine is based on the M70B50 engine from the BMW 750i with 300bhp (220kw) and 450Nm. It was the first V12 engine for Alpina. The D1 engine was first introduced in the <u><a href=\"?page_id=203&#038;nmt=b12-50\" title=\"B12 5.0\" target=\"_blank\">B12 5.0<\/a><\/u> in early 1988.<\/p>\n<p>The M70 engine series has Alusil applied to line the cylinders during the production process, which greatly increased the complexity of changing the cylinder bore afterwards. Modifications include custom pistons, camshafts, intake manifolds, modified cylinderheads, exhaust manifolds, exhaust and reprogrammed engine management.<\/p>\n<div align=center>\n<h3>D1\/1<\/h3>\n<\/div>\n<div align=center>\n<table width=\"500\">\n<tr>\n<td width=\"500\" height=\"303\"><img decoding=\"async\" src=\"images\/articles\/9239-01.jpg\"\/><\/td>\n<\/tr>\n<\/table>\n<\/div>\n<p>The D1\/1 engine is a slightly modified version of the D1 engine, to fit the E31 8-series. It was introduced in the <u><a href=\"?page_id=208&#038;nmt=b12-50-coupe\" title=\"B12 5.0 Coupe\" target=\"_blank\">B12 5.0 Coupe<\/a><\/u> in early 1991.<\/p>\n<div align=center>\n<h3>D2<\/h3>\n<\/div>\n<p>The D2 engine is based on the S70B56 engine from the BMW 850CSi with 380bhp (280kW) and 550Nm. It was the first Alpina engine based on a BMW Motorsport engine. The D2 engine was first introduced in the <u><a href=\"?page_id=209&#038;nmt=b12-57-coupe\" title=\"B12 5.7 Coupe\" target=\"_blank\">B12 5.7 Coupe<\/a><\/u> in late 1992.<\/p>\n<p>Modifications include custom engine block, crankshaft, pistons, camshafts, intake manifolds, modified cylinderheads, exhaust manifolds, exhaust and reprogrammed engine management.<\/p>\n<div align=center>\n<h3>D3<\/h3>\n<\/div>\n<p>The D3 engine is based on the M73B54 engine from the BMW 750i with 320hp (240kW) and 490Nm. The D3 engine was first introduced in the <u><a href=\"?page_id=205&#038;nmt=b12-57\" title=\"B12 5.7\" target=\"_blank\">B12 5.7<\/a><\/u> in late 1995.<\/p>\n<p>Modifications include custom engine block, crankshaft, pistons, camshafts, intake manifolds, modified cylinderheads, exhaust and reprogrammed engine management.<\/p>\n<div align=center>\n<h3>D3\/2<\/h3>\n<\/div>\n<div align=center>\n<table width=\"500\">\n<tr>\n<td width=\"500\" height=\"313\"><img decoding=\"async\" src=\"images\/articles\/9239-02.jpg\"\/><\/td>\n<\/tr>\n<\/table>\n<\/div>\n<p>In 1998, BMW introduced the first technical update of the M73B54 engine with electronically heated catalyst and water cooled alternator. The D3\/2 engine is based on the M73B54T\u00dc engine from the BMW 750i with 320hp (240kW) and 490Nm. In 1999, this BMW engine was winner in the prestigious International Engine of the Year awards.<\/p>\n<p>The D3\/3 engine was first introduced in the <u><a href=\"?page_id=206&#038;nmt=b12-60\" title=\"B12 6.0\" target=\"_blank\">B12 6.0<\/a><\/u> in late 1999. It remains the largest capacity engine built by Alpina to date. Modifications include custom engine block, crankshaft, pistons, camshafts, intake manifolds, modified cylinderheads, exhaust and reprogrammed engine management.<\/p>\n<p><\/div>\n\n<div class='postTabs_divs' id='postTabs_1_9239'>\n<span class='postTabs_titles'><b>Specifications<\/b><\/span><\/p>\n<div align=center>\n<div class=\"timeline\">\n<table width=\"735\">\n<tr height=\"10\"><\/tr>\n<tr height=\"10\"><\/tr>\n<tr bgcolor=\"#C0C0C0\" align=\"center\">\n<td bgcolor=\"#D9D9D9\"><\/td>\n<td colspan=\"5\">D engines<\/td>\n<\/tr>\n<tr bgcolor=\"#C0C0C0\" align=\"center\">\n<td bgcolor=\"#D9D9D9\"><\/td>\n<td>D1<\/td>\n<td>D1\/1<\/td>\n<td>D2<\/td>\n<td>D3<\/td>\n<td>D3\/2<\/td>\n<\/tr>\n<tr bgcolor=\"#E0E0E0\" align=\"center\">\n<td bgcolor=\"#C0C0C0\" align=\"left\">BMW basis<\/td>\n<td colspan=\"2\">M70B50<\/td>\n<td>S70B56<\/td>\n<td>M73B54<\/td>\n<td>M73B54T\u00dc<\/td>\n<\/tr>\n<tr bgcolor=\"#E0E0E0\" align=\"center\">\n<td bgcolor=\"#C0C0C0\" align=\"left\">Displacement<\/td>\n<td colspan=\"2\">4988 cc<\/td>\n<td>5646 cc<\/td>\n<td>5646 cc<\/td>\n<td>5980 cc<\/td>\n<\/tr>\n<tr bgcolor=\"#E0E0E0\" align=\"center\">\n<td bgcolor=\"#C0C0C0\" align=\"left\">Power<\/td>\n<td colspan=\"2\">349PS \/ 257kW<br \/> 5300rpm<\/td>\n<td>416PS \/ 306kW<br \/> 5400rpm<\/td>\n<td>387PS \/ 285kW<br \/> 5200rpm<\/td>\n<td>430PS \/ 316kW<br \/> 5400rpm<\/td>\n<\/tr>\n<tr bgcolor=\"#E0E0E0\" align=\"center\">\n<td bgcolor=\"#C0C0C0\" align=\"left\">Torque<\/td>\n<td colspan=\"2\">470Nm<br \/>4000rpm<\/td>\n<td>570Nm<br \/>4000rpm<\/td>\n<td>560Nm<br \/>4100rpm<\/td>\n<td>600Nm<br \/>4200rpm<\/td>\n<\/tr>\n<tr bgcolor=\"#E0E0E0\" align=\"center\">\n<td bgcolor=\"#C0C0C0\" align=\"left\">Compression<\/td>\n<td colspan=\"2\">9,5<\/td>\n<td>9,5<\/td>\n<td>10,5<\/td>\n<td>10,25<\/td>\n<\/tr>\n<tr bgcolor=\"#E0E0E0\" align=\"center\">\n<td bgcolor=\"#C0C0C0\" align=\"left\">DME<\/td>\n<td colspan=\"2\">Bosch Motronic 1.2<br \/>Bosch Motronic 1.7<\/td>\n<td>Bosch Motronic 5.2<\/td>\n<td>Bosch Motronic 5.2<\/td>\n<td>Bosch Motronic 5.2.1<\/td>\n<\/tr>\n<tr bgcolor=\"#E0E0E0\" align=\"center\">\n<td bgcolor=\"#C0C0C0\" align=\"left\">Emissions<\/td>\n<td colspan=\"2\">TBD<\/td>\n<td>TBD<\/td>\n<td>TBD<\/td>\n<td>Euro 4<\/td>\n<\/tr>\n<tr bgcolor=\"#E0E0E0\" align=\"center\">\n<td bgcolor=\"#C0C0C0\" align=\"left\">Applications<\/td>\n<td valign=\"top\"><u><a href=\"?page_id=203&#038;nmt=b12-50\" title=\"B12 5.0\" target=\"_blank\">E32 B12 5.0<\/a><\/u><\/td>\n<td valign=\"top\"><u><a href=\"?page_id=208&#038;nmt=b12-50-coupe\" title=\"B12 5.0 Coupe\" target=\"_blank\">E31 B12 5.0 Coupe<\/a><\/u><\/td>\n<td valign=\"top\"><u><a href=\"?page_id=209&#038;nmt=b12-57-coupe\" title=\"B12 5.7 Coupe\" target=\"_blank\">E31 B12 5.7 Coupe<\/a><\/u><\/td>\n<td valign=\"top\"><u><a href=\"?page_id=205&#038;nmt=b12-57\" title=\"B12 5.7\" target=\"_blank\">E38 B12 5.7<\/a><\/u><\/td>\n<td valign=\"top\"><u><a href=\"?page_id=206&#038;nmt=b12-60\" title=\"B12 6.0\" target=\"_blank\">B12 6.0<\/a><\/u><\/td>\n<\/tr>\n<tr height=\"20\"><\/tr>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Introduction Specifications Introduction The D-series engines are based on the BMW M70, S70 and M73 V12 engines. The D1 and D1\/1 engines were also offered as aftermarket upgrade kit. D1 The D1 engine is based on the M70B50 engine from the BMW 750i with 300bhp (220kw) and 450Nm. It was the first V12 engine for [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":9232,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-9239","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.buchloe-archive.com\/index.php?rest_route=\/wp\/v2\/pages\/9239","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.buchloe-archive.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.buchloe-archive.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.buchloe-archive.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.buchloe-archive.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9239"}],"version-history":[{"count":0,"href":"https:\/\/www.buchloe-archive.com\/index.php?rest_route=\/wp\/v2\/pages\/9239\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.buchloe-archive.com\/index.php?rest_route=\/wp\/v2\/pages\/9232"}],"wp:attachment":[{"href":"https:\/\/www.buchloe-archive.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}