bmwe21.net forums

Jeroen wrote: Fri May 08, 2026 11:30 pm Looking fabulous, still in love with these tail pipes! As for the problems, what brand of fuel pump did you fit?

I bought a Bosch fuel pumpe from Autodoc. Could be bad one I have. I think I have another Bosch pump somewhere, but that is a few years old, and has not been in use for 5 years time, and I think trying that one might not bet the best option.
Any other brands that could be recommended?

Autodoc has fuel pump from Ridex, Magneti Marelli, Hitachi, Era, Valeo, Meat & Doria, Quiton Hazell. Those brands doesn´t tell me much, besides Valeo, but that pump is 400 euro, and the Bosch is 100 euro

We've seen some issues with Bosch fuel pumps the past few years, pumps failing even after only a few months. Definitely under suspicion. Alternatives I'd trust and that are not $$$$: Magneti Marelli, Quiton Hazell.

Jeroen wrote: Sun May 10, 2026 12:19 am We've seen some issues with Bosch fuel pumps the past few years, pumps failing even after only a few months. Definitely under suspicion. Alternatives I'd trust and that are not $$$$: Magneti Marelli, Quiton Hazell.

I think I will try and replace the fuel pump with a new one. Can´t understand why the distributor or WUR should cause any issuses after 4000 km.
The pump is cheaper than replacing fuel distributor or WUR.
I´ve bought new Bosch parts which have failed, even before I´ve managed to run the car with it. I bought the idle controller new Bosch, made in France, that failed, it didn´t close. So Bosch is probably bad brand these days.

Thanks for the feedback Jeroen

You're welcome, it's amazing that a once so trusted brand is going down the drain, also not OEM manufacturer for many modern day BMW parts anymore. Fingers crossed the pump is the cause, keep us posted!

I found out why my car was leaking coolant.
My guess was that either the shaft on the pump had failed, or gasket was leaking, but when I finally got to the pump after taking of the timing cover, I found a bolt that was loose. When I installed the new head, I removed the old guide wheel to replace it with the timing belt, then I have loosen the wrong bolt

Lucky for me that the bolt didn´t go anywhere, but stayed there, else I would have been back to searching for a new engine

So I replaced the pump and gasket. Now it´s all good.

The extra work you don't want, but it could have been much worse. Solved now!