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Thread: Weber 32/36 Jetting
01-30-2005 09:34 PM #1
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:
air correction 110
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?
01-31-2005 01:38 AM #2
- sacramento, CA, United StatesMember No: 47050
- Join Date
- Aug 2002
- Rep Power
Re: Weber 32/36 Jetting
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.
72 bavaria (with stock zeniths)
05-24-2011 05:32 PM #3
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.
01-07-2015 01:53 AM #4
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?
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