\nIntroduction<\/b><\/span><\/p>\n
The A-series engines were based on the BMW M10 inline-4 engines.<\/p>\n
All engine variants were available as aftermarket upgrade kit. Not only new BMW engines were modified, but at extra cost used engines were also rebuilt to Alpina specification.<\/p>\n
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A0<\/h3>\n<\/div>\n
The A0 engine was based on the 1602 engine. It was introduced in 1966 and offered to 1600 owners to upgrade to the performance of the new BMW 1800. Modifications included 2 double Weber 40 DCOE-2 carburateurs and airfilter housing, which added 15hp on the stock engine output. For German approval, installation of an electrical cooling ventilator was mandatory.<\/p>\n
The A0 engine was re-introduced in 1975 as aftermarket upgrade kit for the BMW 1502.<\/p>\n
\n
A1<\/h3>\n<\/div>\n
The A1 engine was based on the 2002 engine. It was introduced in the 2002 in 1968 and as A1\/3<\/a><\/u> in the E21 320 in 1976. Modifications included 2 double SOLEX C40 ADDHE carburateurs and airfilter housing, which added 15hp on the stock engine output.<\/p>\n
\n
A2<\/h3>\n<\/div>\n
The A2 engine was based on the 2002ti engine. It was introduced in the 2002ti in 1969 and as A2\/3<\/a><\/u> in the E21 320 in 1976. Modifications included 2 double SOLEX 45 CCH carburateurs, airfilter housing and exhaust manifold.<\/p>\n
\n
A3<\/h3>\n<\/div>\n
The A3 engine was based on the 2002 engine. It was introduced in the 2002 in 1971. Modifications included 2 double SOLEX 45 CCH carburateurs, airfilter housing and exhaust manifold.<\/p>\n
\n
A4<\/h3>\n<\/div>\n
\n\n\n<\/tr>\n<\/table>\n<\/div>\n
The A4 engine was based on the 2002tii engine. It was introduced in the 2002tii A4 in 1973, in the E12 A4\/520<\/a><\/u> in 1974 and E21 A4\/3<\/a><\/u> in 1976. Modifications included custom Alpina fuel injection, airfilter housing and exhaust manifold.<\/p>\n
\n
A4S<\/h3>\n<\/div>\n
The A4S engine was based on the 2002tii engine. It was introduced in the 2002tii A4S in 1974. This engine did not have German T\u00fcV approval and was intended for competition use or export. Modifications in addition to the A4 engine included forged competition grade pistons, as well as lightened and polished connector rods.<\/p>\n
<\/div>\n\n
\nSpecifications<\/b><\/span><\/p>\n
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<\/td>\n<\/tr>\n
\n<\/tr>\n<\/tr>\n\n\n\n\n\n\n\n\n\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"
Introduction Specifications Introduction The A-series engines were based on the BMW M10 inline-4 engines. All engine variants were available as aftermarket upgrade kit. Not only new BMW engines were modified, but at extra cost used engines were also rebuilt to Alpina specification. A0 The A0 engine was based on the 1602 engine. It was introduced […]<\/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-9234","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.buchloe-archive.com\/index.php?rest_route=\/wp\/v2\/pages\/9234","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=9234"}],"version-history":[{"count":0,"href":"https:\/\/www.buchloe-archive.com\/index.php?rest_route=\/wp\/v2\/pages\/9234\/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=9234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
<\/td>\n A engines<\/td>\n<\/tr>\n
<\/td>\n A0<\/td>\n A0<\/td>\n A1<\/td>\n A2<\/td>\n A3<\/td>\n A4<\/td>\n A4S<\/td>\n<\/tr>\n
BMW basis<\/td>\n M10<\/td>\n<\/tr>\n
Displacement<\/td>\n 1499<\/td>\n 1573<\/td>\n 1990<\/td>\n<\/tr>\n
Power<\/td>\n 95PS \/ 60kW
5800rpm<\/td>\n 100PS \/ 75kW
5800rpm<\/td>\n 122PS \/ 90kW
5800rpm<\/td>\n 152PS \/ 112kW
6900rpm<\/td>\n 165PS \/ 121kW
TBD<\/td>\n 162PS \/ 119kW
6700rpm<\/td>\n 170PS \/ 125kW
6700rpm<\/td>\n<\/tr>\n
Torque<\/td>\n 118Nm
3000rpm<\/td>\n 130Nm
3500rpm<\/td>\n 170Nm
4000rpm<\/td>\n 173Nm
5500rpm<\/td>\n 192Nm
TBD<\/td>\n 180Nm
5500rpm<\/td>\n 180Nm
5500rpm<\/td>\n<\/tr>\n
Compression<\/td>\n 8,8<\/td>\n 8,6<\/td>\n 8,1<\/td>\n 9,5<\/td>\n TBD<\/td>\n 9,5<\/td>\n TBD<\/td>\n<\/tr>\n
Fuel system<\/td>\n 2×2 Weber<\/td>\n 2×2 SOLEX<\/td>\n TBD<\/td>\n Kugelfischer injection<\/td>\n<\/tr>\n
Applications<\/td>\n E10 1502 A0<\/a><\/u><\/td>\n 1600 A0<\/a><\/u>
E10 1602 A0<\/a><\/u><\/td>\n E10 2002 A1<\/a><\/u>
E21 A1\/3<\/a><\/u><\/td>\n E10 2002ti A2<\/a><\/u>
E21 A2\/3<\/a><\/u><\/td>\n E10 2002 A3<\/a><\/u><\/td>\n E10 2002tii A4<\/a><\/u>
E12 A4\/520<\/a><\/u>
E21 A4\/3<\/a><\/u><\/td>\n E10 2002tii A4S<\/a><\/u>
E21 A4S\/3<\/a><\/u><\/td>\n<\/tr>\n

<\/td>\n	A engines<\/td>\n<\/tr>\n
<\/td>\n	A0<\/td>\n	A0<\/td>\n	A1<\/td>\n	A2<\/td>\n	A3<\/td>\n	A4<\/td>\n	A4S<\/td>\n<\/tr>\n
BMW basis<\/td>\n	M10<\/td>\n<\/tr>\n
Displacement<\/td>\n	1499<\/td>\n	1573<\/td>\n	1990<\/td>\n<\/tr>\n
Power<\/td>\n	95PS \/ 60kW 5800rpm<\/td>\n	100PS \/ 75kW 5800rpm<\/td>\n	122PS \/ 90kW 5800rpm<\/td>\n	152PS \/ 112kW 6900rpm<\/td>\n	165PS \/ 121kW TBD<\/td>\n	162PS \/ 119kW 6700rpm<\/td>\n	170PS \/ 125kW 6700rpm<\/td>\n<\/tr>\n
Torque<\/td>\n	118Nm 3000rpm<\/td>\n	130Nm 3500rpm<\/td>\n	170Nm 4000rpm<\/td>\n	173Nm 5500rpm<\/td>\n	192Nm TBD<\/td>\n	180Nm 5500rpm<\/td>\n	180Nm 5500rpm<\/td>\n<\/tr>\n
Compression<\/td>\n	8,8<\/td>\n	8,6<\/td>\n	8,1<\/td>\n	9,5<\/td>\n	TBD<\/td>\n	9,5<\/td>\n	TBD<\/td>\n<\/tr>\n
Fuel system<\/td>\n	2×2 Weber<\/td>\n	2×2 SOLEX<\/td>\n	TBD<\/td>\n	Kugelfischer injection<\/td>\n<\/tr>\n
Applications<\/td>\n	E10 1502 A0<\/a><\/u><\/td>\n	1600 A0<\/a><\/u> E10 1602 A0<\/a><\/u><\/td>\n	E10 2002 A1<\/a><\/u> E21 A1\/3<\/a><\/u><\/td>\n	E10 2002ti A2<\/a><\/u> E21 A2\/3<\/a><\/u><\/td>\n	E10 2002 A3<\/a><\/u><\/td>\n	E10 2002tii A4<\/a><\/u> E12 A4\/520<\/a><\/u> E21 A4\/3<\/a><\/u><\/td>\n	E10 2002tii A4S<\/a><\/u> E21 A4S\/3<\/a><\/u><\/td>\n<\/tr>\n