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Does anyone know if an ECU (DDE) out of an E34 525tds will work in an E34 525td?

And.............
Before the new injection pump went in it didn't hunt as bad as it does now.
It runs well for about 4 minutes - until the engine starts to warm up - then the hunting quickly gets worse.
With the top of the pump removed (I think) the mechanic has watched the throttle device moving ...

Unfortunately TDs don't have an ICV

thanks anyway

thanks for that.
I'll pass it on to my mechanic, and I'll let you know how it goes.

Hi all
This is my first ever post, so please be patient with me :roll:
I have a 1994 E34 525td which has stumped everyone I have taken it to.
The injection pump can be adjusted to make it either idle smoothly, but with no throttle, or to have throttle but run very rough - hunting, I believe is the ...