1998 BMW 328I E36 - basic control unit DME

1998 BMW 328I E36 - basic control unit DME Description:
Up for sale is a Genuine BMW E36, E39, and Z3 Basic Control Unit DME. You may have also heard this basic control unit called a ECU or ECM. These stand for Electronic Control Unit and Electronic Control Module. BMW has the part named Basic Control Unit DME which stands for Digital Motor Electronics. You may also hear the part referred to as the Engine brain or the Engine computer. BMW part # on this basic control unit DME is 12141437806. The Basic control unit DME also has these alternate BMW part numbers 12141437807, 12141429374, 12141429473, 12141429532, 12141429542, 12141429773, 12141429896, 12141430000, 12141430136, 12141430144, 12141432402. BMW list price on this basic control unit DME is $1428.14 plus a $50 core charge. Check out the rest of our site for other control modules and other BMW E36 and E39 parts.

What is a Basic Control Unit DME?

We get some questions about what basic control unit DME is and what it does. Here is some basic info on it:

The two main tasks DME has to perform are (1) injecting the right amount of fuel and (2) providing a spark at the correct time. In order to do this, the system needs to know things about the engine's current state. DME can track dozens of different sensors, but every system needs to know three basic things:

1. how much air is coming in
2. the position of the throttle, and
3. how fast the engine is running.

Using the information about how much air is flowing through the engine and how fast it's turning, DME uses a fuel map to determine how long each injector should stay open each cycle to inject the right amount of fuel. During part-throttle operation, the injector pulse-width is also modified by the readings from the oxygen sensor, a device that sits in the exhaust collector and determines how much oxygen is left over in the exhaust. Each cylinder is constantly adjusted to maximum operating efficiency under virtually all conditions.

In the event of an electrical fault, DME can reconfigure itself to bypass the problem, and DME can diagnose itself for quick and efficient trouble-shooting.

The core of a DME application are microprocessors. Microprocessors work at astonishing speeds. The core of central engine management in the current M3 executes nearly twenty million instructions per second (20 MIPS). Microprocessors also have a reputation for being extremely reliable. They are designed for a lifespan of at least 150,000 active hours. A car by comparison, is expected to survive 4,000 hours of use.

History and Application of the Basic Control Unit DME

Since it first appeared in the late 70's, DME has evolved significantly over the years.

In 1979 new engine electronics, an industry first, was introduced in the BMW 633 CSi. The 3210cc engine in the 633 CSi got the DME (then called Electronic Engine Management) that later was to be used in all 6 Series cars and subsequent BMW models.

In late 1986, BMW introduced a new 7 Series model equipped with a new, third-generation Digital Motor Electronics (DME III). Using over 30 sensors and interfaces, DME III can control fuel supply and ignition timing with precision. DME III compares actual data with targeted data. It determines changes in the conditions and adjust accordingly. It can detect and memorize malfunctions, and this information is saved and can be displayed during the next routine service.

Most DME components are manufactured by Robert Bosch under the trade name Motronic. Here are some of the known DME version numbers:

M1.0 Adaptive (24 pin) and (28 pin), Basic and Motorsport
M1.1
M1.2
M1.3
M1.7
M1.7.2 and M1.7.2 w/ EWS-II
M3.1
M3.3, M3.3 w/ EWS-II, and M3.3 with air pump
M3.3.1 and M3.3.1 w/ EWS-II
M5.2 (OBD-II)
MS41.1 (OBD-II)
Current DME systems, like those used in the new M3, are distributor-less electronic ignition systems. With solid-state distributors, each cylinder and spark plug has its own coil and is controlled by the DME, providing better combustion and fuel efficiency. DME also provides cylinder-specific knock control. As soon as the engine starts to knock, sensors inform the DME accordingly, which then changes the ignition angle and timing. As a side effect, DME control allows the engine to run on different grades of fuel without suffering any impairment.

DME includes an electronically controlled engine cooling system. This system has a map that tells the engine thermostat how to react in response to engine speed, load and outside temperature rather than just coolant temperature. With this system, the engine can operate at higher temperatures under light-load conditions for enhanced fuel efficiency and heater effectiveness.

Manufacturer Part #:	12141437806
Alternate Part #:	12141437807, 12141429374, 12141429473, 12141429532, 12141429542, 12141429773, 12141429896, 12141430000, 12141430136, 12141430144, 12141432402
Condition:	Used - Excellent
Manufacturers:	BMW
Categories:	Electrical System
Location on Vehicle:	Front
Fitment / Applications:	BMW 3 Series E36 323i Automatic Convertible 1997, 1998, 1999 (Up To 09/1998) BMW 3 Series E36 323i Automatic Coupe 1997, 1998, 1999 (Up To 09/1998) BMW 3 Series E36 323i Manual Convertible 1997, 1998, 1999(Up To 09/1998) BMW 3 Series E36 323i Manual Coupe 1996, 1997, 1998, 1999 (Up To 09/1998) BMW 3 Series E36 328i Automatic Convertible 1994, 1995, 1996, 1997, 1998, 1999(Up To 09/1998) BMW 3 Series E36 328i Automatic Coupe 1994, 1995, 1996, 1997, 1998, 1999 (Up To 09/1998) BMW 3 Series E36 328i Automatic Sedan 1995, 1996, 1997, 1998 (Up To 09/1998) BMW 3 Series E36 328i Manual Convertible 1994, 1995, 1996, 1997, 1998, 1999 (Up To 09/1998) BMW 3 Series E36 328i Manual Coupe 1994, 1995, 1996, 1997, 1998, 1999 (Up To 09/1998) BMW 3 Series E36 328i Manual Sedan 1995, 1996, 1997, 1998 (Up To 09/1998) BMW 5 Series E39 528i Automatic Sedan 1995, 1996, 1997, 1998 (Up To 09/1997) BMW 5 Series E39 528i Manual Sedan 1995, 1996, 1997, 1998 (Up To 09/1997) BMW Z Series Z3 2.8 Convertible 1996, 1997, 1998, 1999 (Up To 09/1998) BMW Z Series Z3 2.8 Coupe 1998, 1999 (Up To 09/1998)

General Vehicle Information:
This part is a Genuine BMW part. The part was removed from a 1998 BMW 328i E36 Sedan, with an Automatic Transmission and an M52 V6 engine. The interior is black and exterior is black. Mileage on the donor vehicle was 102K miles. Left = Driver's side, Right = Passenger's Side

General Information:
Feel free to contact us if you have any questions. Part numbers are key when selecting the correct part for your vehicle. Most auto Manufactures write the part number on the part. We warranty this item for 6 months. We test and inspect every part and do our best to describe and take pictures to show the condition of the part. Local Pickup and worldwide shipping available. Some parts are only available for pickup or domestic shipping. If you would like to pickup at item feel free to contact us. If you are ordering multiple items we may be able to set up a package deal for you. Check out the rest of the website for other parts for this vehicle.

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