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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > Car struggles to turn on
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      07-18-2019, 10:46 AM   #1
Diegov209
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Hey what's up guys idk what's wrong with my car at first I thought it was DME because i got ignition and injectors short circuit to ground and other DME codes Ill post a pic. Ended up getting it cloned and same thing it starts up fine once then struggles to turn on and gives me drivetrain malfunction or drivetrain but then goes away. I changed the alternator as well and even the fuel pump thinking it was that same thing disconnected the IBS same thing and even charged the battery same thing voltage I get is 14.6 around their when the car is on and 11.9-12.4 when only on ignition. Any ideas guys maybe something is keeping the car on only thing I haven't changed is the starter. ( Switched battery's as well forgot to mention that)
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      07-18-2019, 10:52 AM   #2
AlpineX
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Battery should be 12.6v-13.2v
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      07-18-2019, 11:26 AM   #3
Diegov209
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Quote:
Originally Posted by AlpineX View Post
Battery should be 12.6v-13.2v
Yeah I know that but even switching battery's I still have the same problem ( yes it was coded in/registered obviously). That's why I'm confused af lol.
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      07-18-2019, 05:51 PM   #4
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Did you check your ground cables?

There's a YouTube of a guy claiming that caused his slow start issues.

It seems more likely that it's just the starter, though, if you're using a new battery.

Last edited by upsidedownfunnel; 07-18-2019 at 05:59 PM..
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      07-18-2019, 05:57 PM   #5
Diegov209
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Quote:
Originally Posted by upsidedownfunnel View Post
Did you check your ground cables?
Nope that's what I'm going to do right now though
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      07-18-2019, 08:01 PM   #6
Diegov209
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Quote:
Originally Posted by upsidedownfunnel View Post
Did you check your ground cables?

There's a YouTube of a guy claiming that caused his slow start issues.

It seems more likely that it's just the starter, though, if you're using a new battery.
I'll post a video bro so you can see how it acts
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      07-18-2019, 08:19 PM   #7
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Have you scanned the vehicle for Codes?
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      07-18-2019, 08:49 PM   #8
Diegov209
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Quote:
Originally Posted by BashShah View Post
Have you scanned the vehicle for Codes?
Yeah bro I scanned it as well with my friends scanner he has the ECS tuning one I forgot what it's called exactly I think it's the scwaben one and got the same codes as I got on bootmod3. Most of the codes go away but the DME relay ignition and injectors code always pops up also I forgot to mention I've also replaced the Intergrated supply module.
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Previous:F30 328i 2012 PWG: FBO Vrsf 6 stepped fmic, Afe intake, Catless DP ER, FTP CP's, FTP turbo inlet, GFB DV+, Gplus oil cooler, BM3 stg 2 tune, Cary Jordan E50 tuned stock fuel system.
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      07-19-2019, 04:02 AM   #9
BashShah
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i think you tried most everything.
stop wasting time....and go to dealer with special instructions.

Book for 1 Hour Diagnostic and specially ask to speak to the Shop Foreman.
Instruct him on what you have done and the codes that you have seen.

ONLY Dealer has a Special IN-BETWEEN Harness/Computer that can connect in between ECU and Car.

They will or should be able to pin point the issue.
Stop replacing parts to no end.

These Cars with their Auto Start/Stops have a Really ROBUST Starter so chances of that are low.

This Diagnostic charge will or should be 1 hour.

I had an issue with my E90's ECU and they that is what they did to figure it out that 1 Resister in my DME Fried.
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      07-19-2019, 08:46 AM   #10
Diegov209
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Quote:
Originally Posted by BashShah View Post
i think you tried most everything.
stop wasting time....and go to dealer with special instructions.

Book for 1 Hour Diagnostic and specially ask to speak to the Shop Foreman.
Instruct him on what you have done and the codes that you have seen.

ONLY Dealer has a Special IN-BETWEEN Harness/Computer that can connect in between ECU and Car.

They will or should be able to pin point the issue.
Stop replacing parts to no end.

These Cars with their Auto Start/Stops have a Really ROBUST Starter so chances of that are low.

This Diagnostic charge will or should be 1 hour.

I had an issue with my E90's ECU and they that is what they did to figure it out that 1 Resister in my DME Fried.
Yeah bro im going monday most of these parts though ive been able to return so thats good. Im honestly doubuting now it's my DME tho cause If it was my DME wouldn't it not turn on at all?
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Previous:F30 328i 2012 PWG: FBO Vrsf 6 stepped fmic, Afe intake, Catless DP ER, FTP CP's, FTP turbo inlet, GFB DV+, Gplus oil cooler, BM3 stg 2 tune, Cary Jordan E50 tuned stock fuel system.
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