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Author Topic: SOLD K75 Bosch ECU tested-SOLD  (Read 2909 times)

Offline Rcgreaves

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SOLD K75 Bosch ECU tested-SOLD
« on: May 31, 2021, 12:00:44 AM »
SOLD

OK now that I know what I have!  Buy my ECU removed from my running  87 K75  good used unit

$30 plus shipping

Paypal
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Offline daveson

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Re: Help me identify this ECU
« Reply #1 on: May 31, 2021, 04:19:55 AM »
That's the same part number as my '91 model k75s.

It's the fuel injection control unit, not the electronic control unit.

I'll guess the k75 is the only three cylinder thing BMW ever put in production.
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Offline The Mighty Gryphon

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Re: Help me identify this ECU
« Reply #2 on: May 31, 2021, 07:17:48 AM »
Engine Control Unit
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Offline frankenduck

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Re: Help me identify this ECU
« Reply #3 on: May 31, 2021, 08:12:08 AM »
The L-Jetronic units came with a couple stickers over the years. K75s always have red stickers, K100 black.
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Offline Laitch

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Re: Help me identify this ECU
« Reply #4 on: May 31, 2021, 09:28:28 AM »
Quote from: Rcgreaves on May 31, 2021, 12:00:44 AM
I believe this is my ecu from an 87 K75.  These numbers don't match the MAX fiche.
They don't match because both BMW and Bosch used 11-digit part numbers. The numbers were proprietary to their companies' individual products so BMW's numbers didn't necessarily coincide with Bosch's numbers.
Quote from: The Mighty Gryphon on May 31, 2021, 07:17:48 AM
Engine Control Unit
ECU also means Electronic Control Unit (see SAE J1929 as one example). When the term ECU is used at MOTOBRICK.COM, its meaning is often clouded, because the ignition control unit is an ECU. Posters may assert they have tested the ECU, but it turns out to be one instead of the other. I need it spelled out for me to understand, instead of assume, what's been going on—not that my understanding is necessarily important in the scheme of things.  :laughing4-giggles:
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