The BMW M88 is a straight-6 DOHC petrol engine which was produced from 1978-1989. The construction is an aluminium cylinder head and a cast iron block. In many cases, because of the historic content of the system, the information is twice the volume of the present manufacturers catalogs. by Michael P, C'ville » Sep 30, 2008 10:27 AM, Post Small detail, but I'm pretty sure the engine was still L-Jet in 1980. The M90 engine is a lower performance SOHC engine that was based on the M88/1. Automotive petrol engines. Typically identified by a white L painted on the block behind the oil filter housing and coolant water passages on the side of the block. BMW is well known for its history of inline-six (straight-six) engines, a layout it continues to use to this day despite most other manufacturers switching to a V6 layout. [8] A dry sump is used.[9]. Different years of M90 engines used both Bosch Motronic and Bosch L-Jetronic engine management systems. Called single VANOS by BMW, the system adjusted the phasing of the intake camshaft.
thing that makes this engine so sweet is 191 ft lbs of torque at a low 2000rpm coupled with that short stroke engine, Looking up the corresponding intake manifold "from/up to" dates for, A lot of late model years cars such as a 10/79 car were titled here as 79 instead of 80 models, hence confusion. by Adam W in MN » Oct 01, 2008 2:07 PM, Powered by phpBB® Forum Software © phpBB Limited. T: +31 (0)85 273 74 36 Fuel: petrol. [6][7] The bore is 93.4 mm (3.68 in) and the stroke is 84.0 mm (3.31 in), resulting in a displacement of 3,453 cc (210.7 cu in). I've seen a 1980 735i and it had the L-Jet manifold and separate distributor. For Group 5 racing, the M88 engine was turbocharged and became known as the M88/2. BMW engineers used DOHC valvetrain on a production engine for the first time on the M88, with the camshafts driven by a single-row timing chain. [4] by Steve Haygood » Oct 01, 2008 9:46 AM, Post In September 1992, the M50 was upgraded to the M50TU ("technical update"), which was BMW's first engine to use variable valve timing. Different years of M90 engines used both Bosch Motronic and Bosch L-Jetronic engine management systems. It utilizes the same block from the M88 and maintains the same bore and stroke, but borrows its head from the BMW M30 engine family. by Steve Haygood » Oct 01, 2008 11:06 AM, Post The M88 was produced alongside the BMW M30 engine, as the higher performance engine. Post M90 EFI was L-jet in 1978-79, Motronic DME1 in 1980-81. In 1989, an updated version of the S38 became the worldwide replacement for the M88. My E12 M535i has l-jet as others have said for the E12. In North America up until 1989, the BMW S38 engine was used instead of the M88. It utilizes the same block from the M88 and maintains the same bore and stroke, but borrows its head from the BMW M30 engine family. The system combines the database for parts with mounting instructions (mounting torques, distribution settings, specifications for machining etc.) by Steve Haygood » Sep 30, 2008 10:03 AM, Post Info comes from this site that lists E24 motors from 1976-89. This has lead to a system that includes over 150.000 cars/motors from hacksaws to big lorries. The encyclopedic content of the Enginedesk system is achieved by the conversion of the manufacturers catalogs we have been receiving since 1993. [11] It has a compression ratio of 10.5:1. Automobile and engine overhaul companies / engine rebuilders gain access through an annual subscription. The M88/1 engine was modified for use in the E24 M635CSi and E28 M5 and was known as the M88/3. Limited impression of available engine part information. The BMW M50 is a straight-6 DOHC petrol engine which was produced from 1990 to 1996. The M90 engine is a lower performance SOHC engine that was based on the M88/1. [10] The Kugelfischer fuel injection was replaced with Bosch Motronic producing 210 kW (286 PS; 282 hp) at 6,500 rpm and 340 N⋅m (251 lbf⋅ft) at 4,500 rpm. [3] Kugelfischer fuel injection[4] was used with individual throttle valves[5] and the distinctive six individual throttle bodies. I've been searching through the archives and on other sites and can not find the specs of an M90. About Enginedesk. My 79 635 with CR trans and 3.07 avg about 20 and at a steady 70 would do 24. Start to take advantage of our extensive online parts and motor adjustment data database today. Engine data & engine parts data system example different devices. General conversations about BMW E28s and the people who own them. This race engine produced 470 PS (350 kW; 460 hp) in Procar specifications. This block is a (highly) over square (bigger bore than stroke) 3.453 liter creation. Once after the rebuild I got 26 with forged pistons,headers and a pretty stout cam etc.
It is based on the DOHC version of the BMW M49 engine, which was used in the BMW 3.0CSi racing cars.[1][2]. This racing version, called the M88/1, met the Group 4 regulations. The engine and drivetrain fitted here were reportedly sourced from a 1980 M635CSi, and the M90 uses the block and bore spacing of the M88 racing engine, but with a SOHC 12-valve head of the standard M30 for output of 215 HP at 5200 RPM and 224 lb. ft. of torque at 4000. Petrol engine brands Diesel engine brands. Engine-code: M90.
E: sales@enginedesk.com. by JoshInAtlanta » Oct 01, 2008 1:45 AM, Post For affiliated automotive purposes we provide full technical automotive data. by Steve Haygood » Sep 30, 2008 10:35 AM, Post Browse more.
The M90 started life as a test engine when they put a standard big six SOHC head on the block destimed for the M6. Engine Information Fuel Displacement Built; M10: 4 cylinder inline petrol engine: petrol: 1499cm3 - 1990cm3: 1961-1987: M40: 4 cylinder inline SOHC 8v petrol engine Part: Electric. For the BMW M1 Procar single-make series, the M88 engine was bored out marginally to reach 3,498 cc (3.5 L). Enginedesk offers, since many years, online information for replacement parts and technical instructions.
The M90 is a unique siamese bore block derived form the racing M49 engine.
My car is an '80, but that carried on through the '81 E12 M535i's. "The Story of 40 Years BMW M ‒ The BMW M1", "Top 5 Great BMW Engines - mydriftfun.com", http://www.bmwblog.com/2012/05/24/chris-harris-drives-the-e28-bmw-m5/, http://www.projectm1.com/index_files/Technology.htm, http://www.bimmerforums.com/engine_faq.php, "1984 BMW 745i E23 5-Speed manual M88 engined SA model road test", "BMW M88 and S38 M-Tech 24 Valve Six Cylinder Engines", http://www.bmwmregistry.com/model_faq.php?id=5, http://www.bmwmregistry.com/model_faq.php?id=4, https://en.wikipedia.org/w/index.php?title=BMW_M88&oldid=936975646, Creative Commons Attribution-ShareAlike License, This page was last edited on 22 January 2020, at 04:47. the bore is 93.4 mm and the stroke is 84 mm. The M90 sold in Europe and most other markets (except North America) used a compression ratio of 9.3:1, did not have a catalytic converter and produced 160 kW (215 hp). by Michael P, C'ville » Oct 01, 2008 8:55 AM, Post It was released in the E34 520i and 525i, to replace the M20 engine.. bad mpg ? Typically identified by a white L painted on the block behind the oil filter housing and coolant water passages on the side of the block. required and selected by the participating engine rebuilders and copied down from the workshop manuals. Hey guys. Make: Bmw (cars) Parts code: ZS400. ©2013 Enginedesk B.V. All rights reserved. by Adam W in MN » Oct 01, 2008 11:01 AM, Post The M88/3 was also fitted to the South African BMW 745i, due to packaging problems with the turbocharged M102 engine which was used in other markets.[12]. Part: Engine-part. Engine-code: M90. It was downsleeved and had a shorter stroke to displace 3,191 cc (3.2 L), which with the 1.4 turbo factor placed it in the 4.5-liter class.
Make: Bmw (cars) Parts code: VSP95236S.
by Kenny Blankenship » Oct 01, 2008 1:26 AM, Post The M88 was the original iteration of the engine and was fitted to the BMW M1. This race engine produced up to 670 kW (900 hp).[8]. which trans and diff ? by Jon in Richmond » Sep 30, 2008 10:01 AM, Post At present the system is maintained by processing data sets making it possible to keep the system up to date and can be consulted in 25 languages. It produced 200 kW (272 PS; 268 hp) at 6,500 rpm and 330 N⋅m (243 lbf⋅ft) at 5,500 rpm. This version had forged pistons, sharper camshafts, bigger valves, as well as oil cooling for the transmission and rear differential. The M90 is a SOHC engine which is based on the M88/1. Fuel: petrol.
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