Are S63TU engines still bending rods/blowing up a lot?

MuffinFlavored · 06-18-2021, 12:20 PM

The tuning scene here seems kind of dead. Looking to get into an F90, curious if tuning it is just going to make the engine a ticking time bomb.

DrivenAgain · 06-18-2021, 01:06 PM

Are you a betting man?

MuffinFlavored · 06-18-2021, 01:21 PM

Quote:

Originally Posted by DrivenAgain

Are you a betting man?

Do you know of any F90 engines failing? Stock, stage 1, or stage 2?

DrivenAgain · 06-18-2021, 01:29 PM

Quote:

Originally Posted by MuffinFlavored

Quote:

Originally Posted by DrivenAgain

Are you a betting man?

Do you know of any F90 engines failing? Stock, stage 1, or stage 2?

Quote:

Originally Posted by MuffinFlavored

Quote:

Originally Posted by DrivenAgain

Are you a betting man?

Do you know of any F90 engines failing? Stock, stage 1, or stage 2?

Yes. Most won't come here and talk bad news. Forums are for sharing good stuff so you won't see it much. Most don't know the perfect storm that makes them let go either. Custom tunes where u can tune out that initial hit and ramp in TQ are your best bet for the motor. JB4 is your best bet for if it goes boom, you're "covered"

MuffinFlavored · 06-18-2021, 01:30 PM

Quote:

Originally Posted by DrivenAgain

Yes. Most won't come here and talk bad news. Forums are for sharing good stuff so you won't see it much. Most don't know the perfect storm that makes them let go either. Custom tunes where u can tune out that initial hit and ramp in TQ are your best bet for the motor. JB4 is your best bet for if it goes boom, you're "covered"

> JB4 is your best bet for if it goes boom, you're "covered"

That's a myth.

Go read how they use GPS telemetrics and ABS settings from an actual engineer: https://g20.bimmerpost.com/forums/sh....php?t=1834548

DrivenAgain · 06-18-2021, 01:40 PM

Quote:

Originally Posted by MuffinFlavored

Quote:

Originally Posted by DrivenAgain

Yes. Most won't come here and talk bad news. Forums are for sharing good stuff so you won't see it much. Most don't know the perfect storm that makes them let go either. Custom tunes where u can tune out that initial hit and ramp in TQ are your best bet for the motor. JB4 is your best bet for if it goes boom, you're "covered"

> JB4 is your best bet for if it goes boom, you're "covered"

That's a myth.

Go read how they use GPS telemetrics and ABS settings from an actual engineer: https://g20.bimmerpost.com/forums/sh....php?t=1834548

Quote:

Originally Posted by MuffinFlavored

Quote:

Originally Posted by DrivenAgain

Yes. Most won't come here and talk bad news. Forums are for sharing good stuff so you won't see it much. Most don't know the perfect storm that makes them let go either. Custom tunes where u can tune out that initial hit and ramp in TQ are your best bet for the motor. JB4 is your best bet for if it goes boom, you're "covered"

> JB4 is your best bet for if it goes boom, you're "covered"

That's a myth.

Go read how they use GPS telemetrics and ABS settings from an actual engineer: https://g20.bimmerpost.com/forums/sh....php?t=1834548

ok lol

MuffinFlavored · 06-18-2021, 01:55 PM

Quote:

Most don't know the perfect storm that makes them let go either.

Is it most commonly bending a rod or not?

bpma · 06-18-2021, 04:08 PM

I blew my engine on a stage 2 tune.

PaLaKaT · 06-18-2021, 07:06 PM

Quote:

Originally Posted by bpma

I blew my engine on a stage 2 tune.

Give a little more info, what did u? What tune? What were the numbers being pushed? What car year/model?

TrevorM3 · 06-18-2021, 10:39 PM

you are asking a question with way too many variables.

19M5 · 06-19-2021, 12:24 PM

Quote:

Originally Posted by DrivenAgain

Yes. Most won't come here and talk bad news. Forums are for sharing good stuff so you won't see it much."

Really? You would think there would be some on line chatter if a mod engine blew.

DrivenAgain · 06-19-2021, 01:38 PM

Quote:

Originally Posted by 16HC

Really? You would think there would be some on line chatter if a mod engine blew.

Forums are for sharing yes, but there can be a bit of shame that can go along with a motor letting go, and that can lead most to not share. There are also legal implications that rule many decisions.

MuffinFlavored · 06-20-2021, 01:45 PM

Quote:

Originally Posted by DrivenAgain

Forums are for sharing yes, but there can be a bit of shame that can go along with a motor letting go, and that can lead most to not share. There are also legal implications that rule many decisions.

I agree. I think 85% of blown F90 engines are going unreported on these forums.

bpma · 06-20-2021, 03:24 PM

Quote:

Originally Posted by DB_BMW

Give a little more info, what did u? What tune? What were the numbers being pushed? What car year/model?

2018 model, done 35k kms. The tune was custom, 800 hp, 960 nm. In retrospect, it was inevitable.

It blew when I floored it with 2-3 liters of RON95 petrol left in the tank, I ALWAYS got the RON100 at Shell, this was the only time I was on the road and it wasn't available. Welp.

Mcc420 · 06-20-2021, 04:01 PM

Looks like you lost the tip of a spark plug.

onfireX5 · 06-20-2021, 06:07 PM

Piston and Rod failure due to lean/knock ?

pbonsalb · 06-20-2021, 09:02 PM

Most common failure in modified factory turbo motors.

PaLaKaT · 06-20-2021, 11:49 PM

Quote:

Originally Posted by bpma

Quote:

Originally Posted by DB_BMW

Give a little more info, what did u? What tune? What were the numbers being pushed? What car year/model?

2018 model, done 35k kms. The tune was custom, 800 hp, 960 nm. In retrospect, it was inevitable.

It blew when I floored it with 2-3 liters of RON95 petrol left in the tank, I ALWAYS got the RON100 at Shell, this was the only time I was on the road and it wasn't available. Welp.

Thanks for the info! Did you build it up after? Or just replaced the engine and kept it stock?

bpma · 06-21-2021, 02:38 AM

I'm currently driving a replacement engine (slight tune to Stage 1 / 700hp), the old motor is being built. Once it's done, I'll try to get it to 1000hp. Not sure how long that will last, but since I already have a second engine if things go south, I don't have many excuses.

Also apparently MY20 engines are more durable - one of the changes is that the cylinder liners are made from cast iron.

PaLaKaT · 06-21-2021, 01:34 PM

Quote:

Originally Posted by bpma

I'm currently driving a replacement engine (slight tune to Stage 1 / 700hp), the old motor is being built. Once it's done, I'll try to get it to 1000hp. Not sure how long that will last, but since I already have a second engine if things go south, I don't have many excuses.

Also apparently MY20 engines are more durable - one of the changes is that the cylinder liners are made from cast iron.

Very nice! What are you running now? BM3 stage 1 93 oct or DME?

MuffinFlavored · 06-21-2021, 11:12 PM

Quote:

Originally Posted by bpma

I'm currently driving a replacement engine (slight tune to Stage 1 / 700hp), the old motor is being built. Once it's done, I'll try to get it to 1000hp. Not sure how long that will last, but since I already have a second engine if things go south, I don't have many excuses.

Also apparently MY20 engines are more durable - one of the changes is that the cylinder liners are made from cast iron.

What about the rods? I was under the impression the engine effectively has glass rods and a little detonation/knock with higher-than-stock boost and it's game over.

Tak M5 · 06-28-2021, 04:18 PM

Quote:

Originally Posted by DrivenAgain

Yes. Most won't come here and talk bad news. Forums are for sharing good stuff so you won't see it much. Most don't know the perfect storm that makes them let go either. Custom tunes where u can tune out that initial hit and ramp in TQ are your best bet for the motor. JB4 is your best bet for if it goes boom, you're "covered"

So based on your comment, you believe that even stage1 off the shelf maps are dangerous?

06-18-2021, 12:20 PM	#1
MuffinFlavored Second Lieutenant 79 Rep 260 Posts Drives: 2014 F10 M5 MT Join Date: Apr 2017 Location: N/A iTrader: (0)	Are S63TU engines still bending rods/blowing up a lot? The tuning scene here seems kind of dead. Looking to get into an F90, curious if tuning it is just going to make the engine a ticking time bomb.
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06-18-2021, 01:06 PM	#2
DrivenAgain MFJWADE 120 Rep 351 Posts Drives: 2018 BMW M5 Join Date: Dec 2020 Location: MD iTrader: (0)	Are you a betting man?
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06-18-2021, 04:08 PM	#8
bpma Private First Class 155 Rep 131 Posts Drives: M5C Stage 2 Join Date: Sep 2017 Location: - iTrader: (0)	I blew my engine on a stage 2 tune.
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06-18-2021, 10:39 PM	#10
TrevorM3 Banned 3322 Rep 8,083 Posts Drives: 6.3 AMG Join Date: Apr 2013 Location: Florida iTrader: (0)	you are asking a question with way too many variables.
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06-20-2021, 04:01 PM	#15
Mcc420 Captain 475 Rep 608 Posts Drives: G80 M3CX Join Date: Oct 2013 Location: Mtl iTrader: (1) Garage List 2023 g80x [0.00] [0.00]	Looks like you lost the tip of a spark plug. __________________ G80 Comp, Hcp custom e50, 9.69@141 F90 Comp, Hcp custom e40 meth, 9.76@143, 174ml/h 1/2ml 60-130 5.53 F10 M5, HCP Tune ,BM3, 10:8@137, 166.05 1/2ml. Ig @mcc420
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06-20-2021, 06:07 PM	#16
onfireX5 Brigadier General 3619 Rep 4,532 Posts Drives: F90M5,F85X5M Join Date: Jul 2015 Location: Va iTrader: (0)	Piston and Rod failure due to lean/knock ?
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06-20-2021, 09:02 PM	#17
pbonsalb Lieutenant General 5234 Rep 10,614 Posts Drives: 18 F90 M5, 99 E36 M3 Turbo Join Date: Feb 2011 Location: New England iTrader: (4)	Most common failure in modified factory turbo motors.
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06-21-2021, 02:38 AM	#19
bpma Private First Class 155 Rep 131 Posts Drives: M5C Stage 2 Join Date: Sep 2017 Location: - iTrader: (0)	I'm currently driving a replacement engine (slight tune to Stage 1 / 700hp), the old motor is being built. Once it's done, I'll try to get it to 1000hp. Not sure how long that will last, but since I already have a second engine if things go south, I don't have many excuses. Also apparently MY20 engines are more durable - one of the changes is that the cylinder liners are made from cast iron.
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