Original BMW E36 320i M50 Basic Control Unit – DME MS40.1
Genuine BMW · NOS · Part Number 12141703972
This listing offers an original BMW DME MS40.1 engine control unit designed for the BMW E36 320i equipped with the M50 engine. This unit is NOS (New Old Stock), unused, and preserved in factory condition—an increasingly rare find for owners looking to maintain OEM reliability or complete a period-correct restoration.
The control unit carries the correct BMW manufacturer markings along with the official part number 12141703972, ensuring full compatibility with M50B20 applications using the MS40.1 management system.
Features
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Genuine BMW OEM DME
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DME MS40.1 for BMW E36 320i
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Part Number: 12141703972
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Condition: New (NOS)
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Correct factory housings, labels, and electronics
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Ideal for restoration, replacement, or collector-grade spares
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Direct fitment for M50B20 engines using MS40.1 engine management
Condition
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New / NOS – never installed
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No modifications, no previous coding, no operational wear
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Stored properly and preserved in original condition
Compatible Models
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BMW E36 320i with M50 engine
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Vehicles originally equipped with MS40.1 DME
Fernando Pacheco (verified owner) –
“N20 engine had all gaskets replaced before shipping. No more timing chain worries. amgcarpartsforsale is my new go-to for BMW parts.”
Julio Cesar Ramos (verified owner) –
“N62 with valve stem seals already fixed. No smoke on startup. Saved me $3k in labor. Best decision ever.”
Rui Nogueira (verified owner) –
“ZF 6HP for my E60 550i had all seals replaced. No more mechatronic sleeve leaks. Drives like new.”
Souleymane Keita (verified owner) –
“DCT for my F80 M3 shifts like OEM+. No leaks after 3 months. Best price I found online.”
Moussa Gueye (verified owner) –
Purchased a BMW transmission and shipping was faster than expected. Mechanic confirmed it was in excellent working condition. Gear shifts are smooth and responsive now. I would definitely order again.
Bruno Lopes (verified owner) –
“Blacked out headlights for my E82 135i. Aggressive look. Light output is still great. Highly recommend.”
Sabrina Lombardo (verified owner) –
“Headlights for E36 M3 with glass lenses. No pitting. Bosch units. Perfect for my restoration.”
Pedro Alvarez (verified owner) –
“LED headlights for my F32 4-series. Sequential turn signals look awesome. No errors. Perfect fitment.”
Andre Cunha (verified owner) –
“N18 engine for my Mini Cooper S (BMW content) works great. No more timing chain rattle. Fast shipping to California.”
Paulo Farias (verified owner) –
Ordered BMW bumper kit and installation was straightforward. Clips and brackets aligned correctly. Paint quality looked excellent. Vehicle appearance improved instantly.
Luis Correia (verified owner) –
“B57 diesel for my 740d is silent and powerful. 40+ mpg on highway. Hard to find but amgcarpartsforsale had it in stock.”
Magda Piasecka (verified owner) –
“LED projector headlights for my E46 coupe. Huge upgrade from stock. Fast shipping to Florida.”