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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Installed Proceed V4 Rev II now car won't start



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      07-02-2010, 10:31 PM   #1
turbo8765
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Installed Proceed V4 Rev II now car won't start

I did make a post at the end of another thread regarding this same issue, but this appears to be a distinct issue therefore I started a new thread. Please ignore the post at the end of the previous thread.

As stated, my car was working fine, but I installed the proceed V4 Rev II and now my car won't start.

In case it makes any difference, I have a lot of experience working on cars. This is literally the FIFTH proceed I have installed, and I have never had a problem. I've been working on cars for years, and have done basically everything.

The engine turns over normally but never cranks. There is no CEL. I disconnected the battery for 20 min with no improvement.

I have checked and rechecked the install and am unable to identify any errors. The current PNP harness is nearly fool proof anyhow.

Please assist...
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      07-02-2010, 10:47 PM   #2
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If the engine just turns over and over but doesn't start, something isn't plugged in. Either the green power connector or one of the subconnectors isn't where it needs to be. Because if everything is installed correctly, you should even be able to unplug the procede and the car will still start after a prolonged crank and see light. If it's not starting, the harness isn't installed correctly. I've seen cases where a subconnector wasn't slid in properly into the dme connector. Pretty obvious but easy to overlook. It's usually the easy stuff thar gets people.

Shiv
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      07-02-2010, 10:55 PM   #3
turbo8765
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Thanks for the rapid response.

When you say a "prolonged crank", how long do you mean? I let it crank for ~30 sec by my watch with no luck.

With respect to the subconnectors, I installed them with the arrow pointing "inwards", and the open rectangle out. I did the same for all four sub connectors. I will check them again, but please advise if it sounds as though I've installed them incorrectly.
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      07-02-2010, 11:00 PM   #4
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Quote:
Originally Posted by turbo8765 View Post
Thanks for the rapid response.

When you say a "prolonged crank", how long do you mean? I let it crank for ~30 sec by my watch with no luck.

With respect to the subconnectors, I installed them with the arrow pointing "inwards", and the open rectangle out. I did the same for all four sub connectors. I will check them again, but please advise if it sounds as though I've installed them incorrectly.
I'm someone who is very good with the installation of things. And I could have swore up and down it was done correctly. But the reality, is its just a little bit off. The sliders should pop on and off quite easily with no force and should be very snug. Try it again Thats the best recommendation from me.
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      07-02-2010, 11:36 PM   #5
turbo8765
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Returned it to stock and still having the same problem. Cranks endlessly but won't start. Note that the sliders all have tabs that prohibit them from being installed in an incorrect orientation.

Having returned it to stock, the only error now could be if I somehow reversed the two orange wires on the power connector. Does anyone know what the result of reversing these two wires would be?

At this point I believe that's the only possible error.
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      07-02-2010, 11:52 PM   #6
joec500
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Quote:
Originally Posted by turbo8765 View Post
Returned it to stock and still having the same problem. Cranks endlessly but won't start. Note that the sliders all have tabs that prohibit them from being installed in an incorrect orientation.

Having returned it to stock, the only error now could be if I somehow reversed the two orange wires on the power connector. Does anyone know what the result of reversing these two wires would be?

At this point I believe that's the only possible error.
I bet money you didn't line up the orange power wires or perhaps you didn't seat them properly in the green power connector housing. To test this I would just extract the male and female pins from their green housings and connect them directly together. 20 bucks says your car starts right up.

Also I understand you are experienced with working on cars, but I have seen a guy who has probably installed more procedes than anyone else on this planet make a mistake on reversing subconnectors. All of a sudden my car wouldn't start and the windshield wipers were going on there own. He shall be not named, but even the best of us make mistakes. If you are not throwing error codes it probably is your Power connector and and either a pin not lining up or not fully seated in the green connector.

Last edited by joec500; 07-03-2010 at 12:08 AM..
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      07-03-2010, 12:12 AM   #7
turbo8765
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Inspected the power connector again. Looks fine.

Removed the male ends from the connector and connected them directly to the female side of the connector in both possible configurations with no change.

Guess I'll have to revisit it tomorrow.
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      07-03-2010, 12:31 AM   #8
joec500
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The strange thing is that the car started before you installed the procede....then after install attempt, stopped working. That leads me to think either your car broke at the moment your attempted to install the procede, or something worked loose in the ECU compartment when you were installing.....very strange.
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      07-03-2010, 01:59 AM   #9
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did u push in the 2 subconnectors ALL the way, they should go all the way in..i know thats what got me, and ya check the power as well

if the car isn't starting now either i doubt something broke, your probably just not reinstalling something correctly
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      07-03-2010, 02:03 AM   #10
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turbo8765, same thing happened to me. I couldn't get it to start. I disconnected the battery thinking I had to reset. Nothing. I went back in and disconnected everything and plugged everything back in and WALLA... It worked just fine. Do what everyone here is telling you, disconnect and connect everything one by one and it should work fine as it did for me. Connect the battery in the end.
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      07-03-2010, 02:03 PM   #11
turbo8765
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Got it fixed. I had in fact reversed the two sub connectors within the smaller DME connector. Definitely my mistake and not a proceed issue.

Lesson learned.... Don't rush, even if (perhaps particularly if) you've done something several times before.

Now running strong.

Thanks for all you help.
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      07-03-2010, 02:56 PM   #12
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Good to know it's not the kit.
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      07-03-2010, 03:41 PM   #13
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Glad it's sorted out

For anyone else, if the car doesn't start after a few seconds of cranking, it's almost always the case of something not being plugged in or plugged in improperly. Even if you purposely erase all the firmware from the Procede, the car will eventually start after a long (2-3 second) crank. Same goes from purposely re-pinning the PnP harness.

Cheers
shiv
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