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Hi, I bought a set of the 630CC fuel injectors from VRP for my 2004 E55, and they are shorter than stock and look like they are barely seated in the manifold. I asked VRP about this, and they said not to worry about it as long as the o-rings are seated. When I prime the fuel pressure, it seems ok, I don't see any fuel leaking, but problem is, I have been smelling some fuel after parking the car from a quick test drive, It's kind of faint and will go away after about 30 minutes. Here are some pics of the injectors. Can you guys tell me if that is ok or am I going to need some top hats? https://www.vrpspeed.com/product/630...r-55k-engines/
I also checked to see if the fuel pumps had been replaced (I am not original owner of car) and they look ok based on the threads I read and when compared against the pictures. Please let me know if I am wrong about that.
Thanks! Appreciate any advice. I am feeling a bit paranoid about the fuel smell.
Last edited by Majorkook; Mar 19, 2026 at 03:28 PM.
Reason: added in the vrp link
Wanted to update here for anyone else having this issue. VRP said the clips need to be seated like in this pic. I had it on the lower space which is why it wasn't seated. In any case, I did get some top hats too, and they are fully in there now. https://www.cleaninjection.com/produ...fuel-injectors
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