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  1. #1
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    Member No: 86700 lesliewong is an unknown quantity at this point lesliewong's Avatar
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    Weber 32/36 Jetting

    I recently installed (on my '72 Bavaria) Weber 32/36 carburetors that I bought on eBay and rebuilt. The carbs came with a BMW manifold so I assume they had been on an M30 engine.

    I also installed a Carter 4070 Fuel pump that can be seen on the firewall in the pic (it's a little noisy a idle).

    The catbs are jetted as follows:

    PRIMARY
    idle 50
    main 127
    air correction 110

    SECONDARY
    idle 52
    main 145
    air correction 175

    The current engine is a 3.3L M30 from from an early 80's car that the previous owner installed.

    Can anyone tell me what jets they are using on their Webers/M30 setup?

    Thanks,

    Leslie Wong
    1972 Bavaria
    Leslie Wong
    1972 Bavaria


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    Member No: 47050 markokamargo is an unknown quantity at this point markokamargo's Avatar
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    Re: Weber 32/36 Jetting

    hey leslie,

    nice set-up. very clean. unfortunately, i cannot help you with your carb jetting question, but there are many bavaria (E3) owners who have 32/36's on the seniorsix list. they might be able to assist.

    go to http://seniorsix.org and i think you can subscribe there.

    good luck,

    marko
    sacramento, CA
    72 bavaria (with stock zeniths)

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    BMW Bavaria Weber Carb. Jetting

    A few years ago I had a Bavaria with Weber Carbs. When I got it, I had a problem with lean surge at low speeds (about 30 mph). After much twiddling, I discovered that the idle jet is in play at that speed. I got larger jets (they are cheap) and after a couple of tries, I got the engine to run right. Fortunately, changing jets on Webers is not difficult. You might try this if yours don't run right.
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    Rely to thread about Weber carbs on bmw bavaria

    Several years ago I had a 1973 Bavaria with Weber carbs too. I also had a problem with lean surge at about 30 mph. I also discovered after much trial-and-error that the idle jets were too small. Bought larger ones, and car ran fine. Another problem I had was vapor lock when the car sat for about 30 mins when warmed up. Installed electric fuel pump and overcame that problem. Anyone else had that problem?
    Reply With Quote Reply With Quote 70.67.64.82

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