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      07-31-2014, 11:19 AM   #1
anom3
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Where is the E92 M3 fuel filter locate?

While I understand BMW considers the fuel filter another "life time" part I would like to change mine. I have read quite a few posts on other forums discussing other BMW's where people have changed their fuel filters and been happy with the results. And the part cost is fairly low so depending on labor involved, it may be worth while.

Anyone know where the E92 M3 fuel filter is located?

Part #1 in http://www.realoem.com/bmw/showparts...=16&fg=10&hl=1.

Thanks.
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      07-31-2014, 11:32 AM   #2
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Quote:
Originally Posted by anom3 View Post
While I understand BMW considers the fuel filter another "life time" part I would like to change mine. I have read quite a few posts on other forums discussing other BMW's where people have changed their fuel filters and been happy with the results. And the part cost is fairly low so depending on labor involved, it may be worth while.

Anyone know where the E92 M3 fuel filter is located?

Part #1 in http://www.realoem.com/bmw/showparts...=16&fg=10&hl=1.

Thanks.
I believe it's in the tank, some type of lifetime filter.
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      07-31-2014, 11:46 AM   #3
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#1 is the Charcoal filter, not the fuel filter. The actual fuel filter is in the tank and is not serviceable.
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      07-31-2014, 12:14 PM   #4
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ah...

this charcoal filter... where is it located?

also.. what is its purpose?

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Originally Posted by nickdrivesm3 View Post
#1 is the Charcoal filter, not the fuel filter. The actual fuel filter is in the tank and is not serviceable.
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      07-31-2014, 12:43 PM   #5
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Quote:
Originally Posted by thekurgan View Post
I believe it's in the tank, some type of lifetime filter.
i dont believe in "lifetime" items. wouldnt at some point that the filter would need to be changed? perhaps someone who would know more about this lifetime filter can chime in and explain
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      07-31-2014, 12:54 PM   #6
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Originally Posted by FifthStreetz View Post
i dont believe in "lifetime" items. wouldnt at some point that the filter would need to be changed? perhaps someone who would know more about this lifetime filter can chime in and explain
Good point. What is the official BMW meaning of "lifetime" in miles? 150k? 200k?

While it seems you could design a fuel filter with sufficient surface area in the element to account for an average level of contaminants typically encountered in 150k miles, what if the customer happens on some run-down gas station that is spewing particle-contaminated fuel? At some point the pressure drop across a very dirty filter would result in a CEL or two (and the fuel pump would probably be blamed!).
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      07-31-2014, 01:02 PM   #7
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Quote:
Originally Posted by FifthStreetz View Post
i dont believe in "lifetime" items. wouldnt at some point that the filter would need to be changed? perhaps someone who would know more about this lifetime filter can chime in and explain
I agree, it is probably buried in the pump.
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      07-31-2014, 01:17 PM   #8
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Agreed on all the above. Especially since i am not the original owner i have no idea what kind of gas the previous owner was putting in there. So back to the topic at hand, would love to know where the fuel filter is located and if it is a replaceable part.
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      07-31-2014, 01:23 PM   #9
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Quote:
Originally Posted by anom3 View Post
Agreed on all the above. Especially since i am not the original owner i have no idea what kind of gas the previous owner was putting in there. So back to the topic at hand, would love to know where the fuel filter is located and if it is a replaceable part.
http://www.realoem.com/bmw/showparts...01&hg=16&fg=15

I am thinking it's within the pump, I'll see if I can find images for the pump.

ECS has something here:

http://www.ecstuning.com/Search/Fuel/ES36031/
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      07-31-2014, 01:32 PM   #10
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I looked into this as well and concluded that it would be both very complicated and very expensive to replace the filter because it's part of an entire assembly, not a separate item.

"Lifetime" is such a BS designation. Yes, that part/fluid is lifetime because it lasts the lifetime of whatever will break as a result of you not servicing that part/fluid earlier.
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      07-31-2014, 01:32 PM   #11
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ECS pics looks like an integrated filter/fuel pump assembly (at $329).

In this case I think "Lifetime" means: 'We made it so damned expensive and difficult to replace that you don't replace it until there is no other choice'.
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      07-31-2014, 01:35 PM   #12
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Has anyone here or on the E46 board had issues related to fuel filtration or the in-tank fuel pump taking a shit? It might be: by the time the filter clogs, the pump dies anyway, or, if the filter clogs for a long period of time, the fuel pump dies.
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      08-01-2014, 12:08 AM   #13
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Quote:
Originally Posted by anom3 View Post
While I understand BMW considers the fuel filter another "life time" part I would like to change mine. I have read quite a few posts on other forums discussing other BMW's where people have changed their fuel filters and been happy with the results. And the part cost is fairly low so depending on labor involved, it may be worth while.

Anyone know where the E92 M3 fuel filter is located?

Part #1 in http://www.realoem.com/bmw/showparts...=16&fg=10&hl=1.

Thanks.
Part #1 is for the evaporative emission control system (EVAP), one of the smog control systems. The canister stores the fuel vapors vented from the tank and is purged into the intake system when the engine is running reducing HC to the atmosphere.

Here is a description of the fuel filter location from the E9X M3 Engine Technical manual. (Bold added)

"The fuel tank is based on the series E92 tank, although the shape has been changed to accommodate the exhaust system. Both in tank units are new. The fuel pump is installed in the right-hand unit, and the pressure regulator is installed in the left-hand unit in front of the fuel filter.

The ventilation lines have been adapted, while all other lines have been taken from the E92 335i. The US release is fitted with a tank leakage diagnosis unit.

The electrical controls are described in the MSS60 engine control system."
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      08-01-2014, 02:38 AM   #14
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Thanks for the all the insightful information...

Looks as tho the fuel filter is part of the fuel pump / fuel pump repair kit as BMW calls.

So it looks as tho changing the fuel filter alone is a no go... Unless someone has a failed fuel pump.

Thanks!
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      08-01-2014, 02:41 AM   #15
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Charcoal filter is for emissions, the car won't benefit from a change unless you aren't passing smog (if your state has it).
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      03-21-2019, 05:09 PM   #16
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It looks like there's an outer filter for some regions:

https://www.newtis.info/tisv2/a/en/e...upply/2SobKA5Z

I'd like to install it if I could, now that I just had a stuck injector.
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      03-21-2019, 05:48 PM   #17
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Quote:
Originally Posted by thekurgan View Post
Has anyone here or on the E46 board had issues related to fuel filtration or the in-tank fuel pump taking a shit? It might be: by the time the filter clogs, the pump dies anyway, or, if the filter clogs for a long period of time, the fuel pump dies.
the E46 has an accessible fuel filter under the car, and the fuel pump is accessible under the rear seat. both pretty easy DIY's
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      11-08-2021, 09:28 AM   #18
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I'm installing an E36 M3 fuel filter on my car, because I had a stuck open injector in 2019 that killed my rod (and engine) after 2 years.

Chose that filter because it's easy for hose connection, metallic housing, and allows enough flow for V8 engines like M60 4.0L. I hope it will allow a little more yet, to attend the stock S65 fuel need.

I'll try to put it under the car, and for that, I'll need to cut the fuel steel tubing and put the filter with hoses connecting to the tubing.

That filter has only two hose connections, no return line, which is good for this application.

I'm aware there is no consensus on the causes of injectors sticking open in this engine, actually not a single clue about it, but as BMW used inline fuel filters until the E46 and I don't hear of E46s having stuck injectors, I'll bet on that as a cause: dirt/debris on injectors. Please, don't say E92 has a filter in pump suction, because if it doesn't get clogged, then it doesn't retain any dirt.

I'll report back when it's running or if I find any obstacle for the adaption.

https://www.ecstuning.com/b-genuine-...r/13321740985/
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      12-15-2021, 02:48 PM   #19
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I'm trying to figure out how to fit an in-line filter (like older cars) to my E92 M3 for preventative reasons. Are the injector nozzles a similar size for the E36 M3 as the E9X M3? If not, then the filter mesh size of the E36 filter may be too large?
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      12-15-2021, 06:29 PM   #20
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Quote:
Originally Posted by jvictormp View Post
I'm installing an E36 M3 fuel filter on my car, because I had a stuck open injector in 2019 that killed my rod (and engine) after 2 years.

Chose that filter because it's easy for hose connection, metallic housing, and allows enough flow for V8 engines like M60 4.0L. I hope it will allow a little more yet, to attend the stock S65 fuel need.

I'll try to put it under the car, and for that, I'll need to cut the fuel steel tubing and put the filter with hoses connecting to the tubing.

That filter has only two hose connections, no return line, which is good for this application.

I'm aware there is no consensus on the causes of injectors sticking open in this engine, actually not a single clue about it, but as BMW used inline fuel filters until the E46 and I don't hear of E46s having stuck injectors, I'll bet on that as a cause: dirt/debris on injectors. Please, don't say E92 has a filter in pump suction, because if it doesn't get clogged, then it doesn't retain any dirt.

I'll report back when it's running or if I find any obstacle for the adaption.

https://www.ecstuning.com/b-genuine-...r/13321740985/
Any way to put it in the engine bay where you don't need to cut a steel line?
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      12-15-2021, 09:32 PM   #21
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Quote:
Originally Posted by Redd View Post
Quote:
Originally Posted by jvictormp View Post
I'm installing an E36 M3 fuel filter on my car, because I had a stuck open injector in 2019 that killed my rod (and engine) after 2 years.

Chose that filter because it's easy for hose connection, metallic housing, and allows enough flow for V8 engines like M60 4.0L. I hope it will allow a little more yet, to attend the stock S65 fuel need.

I'll try to put it under the car, and for that, I'll need to cut the fuel steel tubing and put the filter with hoses connecting to the tubing.

That filter has only two hose connections, no return line, which is good for this application.

I'm aware there is no consensus on the causes of injectors sticking open in this engine, actually not a single clue about it, but as BMW used inline fuel filters until the E46 and I don't hear of E46s having stuck injectors, I'll bet on that as a cause: dirt/debris on injectors. Please, don't say E92 has a filter in pump suction, because if it doesn't get clogged, then it doesn't retain any dirt.

I'll report back when it's running or if I find any obstacle for the adaption.

https://www.ecstuning.com/b-genuine-...r/13321740985/
Any way to put it in the engine bay where you don't need to cut a steel line?
Likely can put it in there right after the pressure sensor. On the flex line to the fuel rail. Just need to science up a bracket and the proper connectors.
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      12-17-2021, 07:08 AM   #22
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Quote:
Originally Posted by Redd View Post
Any way to put it in the engine bay where you don't need to cut a steel line?
That seems to be good, but I need to think carefully.

Please take a look at this reply of mine in another thread: https://www.m3post.com/forums/showpo...55&postcount=3


Quote:
Originally Posted by Harryc9 View Post
I'm trying to figure out how to fit an in-line filter (like older cars) to my E92 M3 for preventative reasons. Are the injector nozzles a similar size for the E36 M3 as the E9X M3? If not, then the filter mesh size of the E36 filter may be too large?
Not sure about that, mate. But any inline filter will certainly hold infinitely more debris than the suction pre-filter in the pump.

Only need to worry about handling pressure and the needed flow.


Quote:
Originally Posted by Scharbag View Post
Likely can put it in there right after the pressure sensor. On the flex line to the fuel rail. Just need to science up a bracket and the proper connectors.
After the pressure sensor doesn't seem good, because any pressure loss caused by the filter won't be noticed by ECU, and no compensation will be done by the pump module, I think.

Must be before the sensor.
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