Bmw e46 charcoal canister

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Genuine BMW Genuine BMW Charcoal Canister Filter Cover - E46 M3 51717893604

Genuine BMW Charcoal Canister Filter Cover - E46 M3


Product Details

Genuine BMW Cover, Activated Charcoal Filter Front
This item fits the following BMW Chassis:
E46 M3,E46

Fits These Cars

BMWE46M3S54 3.2L
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.

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Thread: Charcoal Carbon Canister? Gains on replacement?

Hi all,
I read on Tricord's site that Melloh once changed his charcoal canister and saw gas mileage gains, has anyone ever heard of this?

My canister has 16121108926 Part number. Anyone know where I could buy it?(I found it at
But 65$ seems a bit much)

Also see:

This guy says if the carbon canister system" is faulty it can cause hard warm engine starting, erratic idle, or poor acceleration"

here is melloh's post

"Also, check that charcoal (black) canister under the battery tray. When my tray finally came off on its own (rusted through, 'forcing' me to move it to the rear) I found a 2" hole in it. Replaced it and got 1-2mpg increase (part of the reuptake system or something of the sort, catching and filtering excess gas fumes?). It had probably been like that for years, after at least 2 tune-ups and one smog check... still went unnoticed and forgotten."


charcoal canister that is designed to absorb fuel vapors in the tank when it is near empty. Apparently when you squeeze a little extra fuel into the tank, you are actually fillung up the filler tube that connects to the fuel tank. When this happens, the spillover runs up the filler tube and then back down into the charcoal evap canister. The service manager said that when this charcoal element becomes saturated with liquid fuel and not just vapors, the fuel mileage will decrease, and you will be needing a new canister soon. (he also said that many customers would spend good money trying to have the low fuel mileage correctly diagnosed)


Lists as standard maintance:

32. Check Evaparative Control System. Clean
air filter ring In carbone canister,
check fuel cap, tank and connections 01

Air filter ring? - I think I will have to take this thing apart and see,

does anyone know about this?

Last edited by g323; 11-15-2008 at 05:48 PM. Reason: Automerged Doublepost
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Last Updated on June 30, 2021

You’ve probably never considered what happens when the charcoal canister in your car goes bad. That’s because it’s possibly one of the most reliable parts of your vehicle.

Looking for a good online repair manual?
Click Here for the 5 best options.

The charcoal canister (aka: EVAP canister) is an essential part of the Evaporative Emission Control System (often shortened to “EVAP”). This system helps ensure that dangerous fumes from your gas tank aren’t released into the environment and instead puts them to work powering the engine.

There are times when this part is damaged or becomes faulty after years of use. Because charcoal canisters rarely degrade, it’s helpful to be familiar with the symptoms, so you know what to do next, and how much this repair will set you back. 

How a Charcoal Canister Works

To put it simply, the charcoal canister in your car absorbs excess gasoline fumes and vapors that accumulate in your gas tank.

The charcoal in this part is activated carbon, which is manufactured to be very porous. These pores help maximize the amount of gas and toxins that the canister can absorb.

Here’s a video showing the inside of a typical charcoal canister:


Periodically, the charcoal canister empties by pushing this excess vapor into the engine through the fuel vapor vent line and purge valve. 

Without the charcoal canister, these vapors would either collect in the gas tank or be vented from the car into the atmosphere. These vapors are often toxic and dangerous for the environment.

Because the canister collects this vapor and then uses it to power the engine, the EVAP system helps cars be safer for the environment and more efficient.

The relatively simple construction of the charcoal canister means that it’s generally self-sustaining. However, there are some situations where it gets damaged or wears out. One of the most common charcoal canister problems is caused by “topping off” your gas tank, which can cause an overflow of fuel to flood the canister.

Bad Charcoal Canister Symptoms

#1 – Check Engine Light

check engine light on

The computer in your car will often recognize that there’s a problem with your car’s charcoal canister before you do. Because this is a relatively autonomous car part, it’s generally not the first thing mechanics look for when diagnosing a check engine light.

Keep in mind the additional symptoms of a faulty charcoal canister so you can properly identify the cause of your engine woes.

#2 – Increased Emissions (or Failed Emissions Test)

emissions test failure

If you’ve noticed that your car’s emissions have significantly increased, your charcoal canister might be at fault. The primary job of the EVAP system is to prevent excess gasoline vapor from being released into the environment.

You might notice that your car’s engine is running richer, or a more pungent fuel smell from your exhaust. Between the check engine light and increased emissions, a faulty charcoal canister can cause your car to fail your mandatory state emissions inspection. 

#3 – Reduced Vehicle Performance

brake noise while driving

Because the EVAP system connects directly to the engine through the purge valve, trouble with your charcoal canister can impact your car’s performance. If this system is faulty, the purge valve can be stuck open, affecting your engine’s air-fuel mixture.

As a result, you might see a decrease in your vehicle’s performance. You might find you get fewer miles to the gallon, trouble starting your car, or a rough idle if your charcoal canister is defective. 

#4 – Issues Filling Up Gas Tank

gasoline in a diesel engine

If your charcoal canister is saturated or the fuel vapor vent line is clogged, one of the first things you might notice is trouble at the gas pump.

You might be unable to fill your tank, or that the gas pump nozzle shuts off before your tank is full. If your canister cannot remove vapor from the gas tank, those fumes take up volume, minimizing the space you can fill.

Related: 15 Causes of Poor Fuel Mileage

#5 – Fuel Smell In or Around Your Car

fuel smell

A faulty charcoal canister will fail to collect fuel vapors before they escape your powertrain, which will cause a strong fuel smell around your car.

Sometimes, these noxious fumes may accumulate inside the cabin, which will be problematic for most drivers. These vapors can be dangerous after prolonged exposure and can cause headaches, confusion, or even loss of consciousness.

Can a Charcoal Canister Be Cleaned?

Some owners may be able to clean their charcoal canister using an air compressor. This process can help troubleshoot whether your canister is genuinely faulty, or if some of the lines are just blocked. 

Generally, the process involves removing the canister from your vehicle and using the compressor to blow air through the canister at a specific PSI to clean it without damaging internal components effectively.

Make sure to check your vehicle’s emissions manual (if one is available) for more information on how to clean your charcoal canister. Also, never pour any liquids into the canister, as they can permanently damage this piece.

In most cases, cleaning the canister is not advisable and replacement should be done instead.

See Also: How to Clean a Clogged Catalytic Converter

Charcoal Canister Replacement Cost

charcoal canister replacement cost

The total cost for a charcoal canister replacement can range from $150-$630. Depending on your vehicle’s make and model, a new part usually costs between $100 and $500. If you hire a mechanic for the replacement, you can expect to pay an additional $50 to $130 in labor. 

Charcoal canisters are generally easy to access. However, working on the EVAP system can be a bit tricky, so make sure to check your car’s manual for more information on how to do this repair. 

Is it Safe to Drive With a Faulty EVAP Canister?

In most circumstances, it is safe to drive with a bad charcoal canister. The biggest concern most owners will face regarding a damaged EVAP system will be that your vehicle will release more fumes into the environment.

If you’re a driver that is concerned about your carbon footprint, this may motivate you to fix your charcoal canister as soon as possible. But even if you sit on the other side of the climate change debate, replacing the canister should be a put on your to-do list.

However, if your defective charcoal canister causes a strong fuel smell inside your vehicle, you’ll want to expedite this repair. As already mentioned, being exposed to fuel vapors can be extremely dangerous. If you must drive, roll down a couple windows to let fresh air into the vehicle.

Categories Exhaust / EmissionsTags charcoal canisterSours:
E46 BMW LDP - Charcoal Canister - EVAP - Purge Valve

Bmw E46 Fuel Tank Charcoal Canister Filter Gas Vent Flap Evap 330 6752223

UnsoldSee similar items$74.95Buy It Nowor Best Offer, FREE Shipping, 30-Day Returns, eBay Money Back Guarantee

Seller:Top-Rated Plus Seller cyclopssalvage✉️(9,443)99.3%, Location:Hayden, Idaho, Ships to: US & many other countries, Item:152491600902BMW E46 FUEL TANK CHARCOAL CANISTER FILTER GAS VENT FLAP EVAP 330 6752223. OEM BMW FUEL TANK CHARCOAL FILTER IN GREAT WORKING CONDITION. Payment is due within 4 days of purchase. Paypal confirmed address's only please, no exceptions. Worldwide shipping is now available just ask us for a quote. We do offer combined shipping discounts so please check our store for more great deals! Most items ship same or next day and are usually upgraded to a faster shipping service for free! All parts can be returned for any reason within 14 days of receipt for a full refund or exchange however there is a 20% restocking fee unless the item was not as described. Please let us know if you need to return an item before you send it back. Parts listed “AS-IS” cannot be returned for any reason. This will fit any BMW on the list below, click details for exact years! Please double check your part number as we are not responsible for fitment issues Part 16136765440 was found on the following vehicles:3' E46 (09/1999 — 08/2006)Condition:Used, Returns Accepted:Returns Accepted, Item must be returned within:30 Days, Refund will be given as:Money back or exchange (buyer's choice), Return shipping will be paid by:Buyer, Restocking Fee:20%, Manufacturer Part Number:6752223, Part Brand:BMW OEM, Interchange Part Number:16136765440, Other Part Number:16136751759, Brand:BMW

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Charcoal canister e46 bmw

This is more for the hardcore track guys, or the hardcore weight reduction fellas, like myself. But, I figured I'd share it here too.

Well, it's a bit crappy (pic wise), but you should get the idea.

What you will need:
1) 2 fuel filters with a 3/8" dia
2) 3/8" dia hose, 15-30 inches (depending on how many loops you want)
3) 3/4" clamps, or anything that can go down to that size
4) zip ties

I started by figuring out which vent pipes vented out/in and then attached one way filters according to the direction the air flows.

I attached the filters to the 3/8" dia hose, clamped them on. the vent pipe that pulls air in, was the shorter hose and the vent pipe that pushes air out was a bit longer, so I was able to loop it once. I've read you should loop it a couple times and that it doesn't even matter; so I just did one loop.

I slid the 3/8" dia hose (3/4" outter dia) into the vent pipes, after I trimmed them. Really doesn't matter where, I cut mine so it was right behind the lower wheel well area. Clamp them down, should already be a tight fit. I zip tied the hoes/filters to the lower exterior of the batter box.

And lastly.... I then used a vacuum plug/cover to plug the blue line that goes to the airbox.

Total drop was 8 lbs, I still need to pull the evap mount off, I'm expecting another 5 or so lbs with that - as it's all steel.

Sorry I didn't get more pics, I was figuring it all out as I went along, so I only took a few at the end. If you want more pics or better angles, let me know an I can take some.

My loop is seen here. I zip tied the top of the look to the upper battery box area.

At the top of the picture you can see the blue return line, just plugged it and zip tied it for a little extra security.

Here you can kind of see how the filters are inserted opposite of each other.
E46 M3 SMG; VAC Ultra light pulley set; Evolve-R Stage 1 tune; 3000 lbs.

Entrepreneur (Click the about me ):
Fitness Challenge:
Charcoal Canister Removal (Part 7) - BMW 2004 325XI Engine Rebuild

floor price 2001-06 BMW E46 325 328 330 M3 Activated Charcoal Canister Filter Emissions luxury brand

twitter announced today that it will be removing its implementation of stories dubbed “fleets.” the feature was either loved or hated by twitter users since its initial release last year.

this short-lived feature, which was released in november of last year, will be removed on august 3. twitter acknowledged the controversial nature of the snapchat/instagram clone with the farewell tweet. notably, there was no fleet from the main twitter account announcing the departure of the feature, only a standard tweet.

in the goodbye, the company said it is working on “new stuff.” one can hope that they add the ability to edit tweets, in addition to the new edit audience and monetization features.

in a more detailed blog post, twitter shared that it hoped fleets would make people more comfortable posting onto twitter. as fleets disappear, some of the fleet creation features, like gifs and stickers, will be implemented into the standard tweets composer.

ftc: we use income earning auto affiliate links.more.

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(Updated on July 17, 2020)

The emission system of the engine produces a lot of carbon emissions which are released into the environment. This is what continues to make gasoline engines so controversial among those who care about protecting the environment.

However, there is a special component called a “charcoal canister” (or evaporative emission control canister) which exists in the emission system that works to absorb the vapor of the fuel before it is released outside into the environment.

In other words, after the engine produces these toxic carbon emissions, the charcoal canister stops these compounds and redirects them back to the fuel tank. That way, the environment can continue to be kept safe from these emissions.

Top 5 Bad Charcoal Canister Symptoms

A dirty or cracked charcoal canister can cause problems for the functionality of your car. You will want to address these problems immediately before they progress into something much worse.

Below are five of the most common signs of a bad charcoal canister to keep an eye out for. Some are worse than others, but you can easily fix them as soon as you spot them.

1) High Emissions

white smoke from exhaust

Since a charcoal canister is supposed to eliminate toxic carbon compounds from being released into the environment, a bad charcoal canister is not going to have much luck doing that. This will result in a much higher rate of carbon emissions being released

You may not notice this problem right away as it will require an emissions test to figure it out. If your state forces you to take this test every year or two, then be aware that your charcoal canister could be responsible if you do not pass the test.

2) Fuel Odor

car smells like gas

Because a faulty charcoal canister allows fumes to escape, you will likely notice a strong fuel smell near the rear of the vehicle or inside the cabin.These fumes are not something you want to smell for very long because it could make you very sick.

Do not continue driving your vehicle until you confirm it’s the charcoal canister and fix it (or another issue).

3) Pinging Sounds

noise while driving

If your charcoal canister is not effectively disposing of the carbon emissions, this could affect the air and fuel mixture ignition in the combustion chamber. The result will be pinging sounds coming from the engine which you don’t normally hear.

There could be other reasons for these pinging sounds too. But if you experience two or more of the other symptoms on this list, then chances are it may be due to the charcoal canister having problems.

4) Weak Performance

car hesitates when accelerating - gas pedal

A major symptom which should spark a red flag in your mind is poor engine performance. If the carbon emissions are not being recirculated back into the combustion chamber properly and it causes problems with your air to fuel mixture, then your engine won’t be able to adequately produce the power needed to sustain your acceleration needs.

This means that whenever you step on the gas pedal, you won’t accelerate as fast as you should be.

5) Check Engine Light

engine stall

While having your check engine light come on can literally mean any one of a hundred or more things can be wrong, if you notice this symptom along with one or two others in this list, you may have a failed charcoal canister that is in need of replacement.

Charcoal Canister Replacement Cost

charcoal canister replacement cost

The replacement cost of a bad charcoal canister will be around $180 and $600. The price range varies considerably because the make and model of your vehicle has a lot to do with the cost.

Generally, you can expect the labor costs to be between $30 and $140. The bigger expense will be the cost of the parts, which will be between $150 and $500. There will be additional taxes and fees on top of these prices, depending on the imposed taxes of your local government.


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