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BMW E9 3.0CSi D-Jetronic parts repair

  • tomasz78
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17 May 2020 14:06 #13916 by tomasz78 Europe BMW E9 3.0 CSi
BMW E9 3.0CSi D-Jetronic parts repair was created by tomasz78
Hello Everyone.

I am a new person here. My problem concerns my BMW E9 3.0CSi, which is currently under restoration. When I bought the car, it was very bad condition, not running or driving. Therefore, I don’t have any idea if parts of D-Jetronic work or not. I would like to get information who can help me with checking and reparing my BMW’s D-Jetronic elements, such as ECU, MAP sensor, AAV, pressure regulator and other parts of D-Jetronic. Any advice is very welcome.

Kind regards,
Tomasz.

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  • Volker
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17 May 2020 14:17 #13917 by Volker Europe Mercedes-Benz R107 450 SL, Mercedes-Benz W111 280 SE Cabrio
Replied by Volker on topic BMW E9 3.0CSi D-Jetronic parts repair
Hi Tomasz,

any Bosch service can help with ECU and MAP sensor. They handle it cia Bosch Classic. Pressure regulator cannot economycally be repaired. AAV can be done.

Viele Schraubergrüße - best regards, Dr-DJet Volker
Alles über den Mercedes-Benz 107 SL/C in Sternzeit-107.de

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  • nordfisch
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18 May 2020 10:36 - 18 May 2020 10:48 #13919 by nordfisch Europe Opel Diplomat 2.8 E
Replied by nordfisch on topic BMW E9 3.0CSi D-Jetronic parts repair
Hi Tomasz,
it would be interesting to know where you are located.

Concerning the tests I would recommend to do the basic testing by yourself.
You don't need much or expensive equipment to do this.
You need a multimeter, a manometer and a simple vacuum-pump for bleeding brakes.
All together at less than 50 Euro - and you find the instructions for the testing here.

Maybe you want to test and clean the injectors, - there are 'ASNU'-service-points in almost every country.

You will have to replace all fuel hoses and the filter definitly.

Regards
Norbert

Add: You have to verify the part numbers of all components. Quite often parts meant for other car models and brands were installed in the past just to keep the cars running. Maybe this helped in the situation - but the result is a misconfigured setup that could even ruin the engine.
You could ask Bosch classic service for a component list for your car.
If you find other parts installed, you could ask us - maybe they are compatible. Bosch doesn't tell you this.
Last edit: 18 May 2020 10:48 by nordfisch.

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21 May 2020 20:51 #13956 by tomasz78 Europe BMW E9 3.0 CSi
Replied by tomasz78 on topic BMW E9 3.0CSi D-Jetronic parts repair
Hello Norbert.

Thank you for your answer and advices. I would like to test MAP sensor and AAV myself. If I find them faulty, I will be sending them for repairs. I am located close to Warsaw, Poland. Thank you once again.

Regards, Tomasz.

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21 May 2020 21:40 #13958 by nordfisch Europe Opel Diplomat 2.8 E
Replied by nordfisch on topic BMW E9 3.0CSi D-Jetronic parts repair
Hi Tomasz,
I asked you for your location because it's nearly impossible to ship outside the EU zone at this time...

You can do the basic MPS-testing the way Volker describes here in section 4.4: https://oldtimer.tips/en/d-jetronic/mps

I think the simplies way to remove the AAV is to remove the whole intake manifold.(???)
You can check it by yourself, you find the information you need here: https://oldtimer.tips/en/d-jetronic/aav

Regards
Norbert

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