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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 07-20-2010, 01:59 PM   #1
kakashi_sensi
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Crankcase Ventilation Valve CCV

my shop suggests me to change my ccv...is necessary? mine is a 2001 e46 sedan...
frankly im not too sure wat this is
or wat it does

any info would be greatly appreciated
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Old 07-20-2010, 02:58 PM   #2
shanneba
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There is a BMW TSB on this issue - If you do not have the cold weather version, replace it.

SUBJECT
Oil Separator Cold Climate Conditions
MODEL
E39 (5 Series) all with M54 engine
E46 (3 Series) all with M54 engine
E53 (X5) all with M54 engine
E60 (5 Series) all with M54 engine
E83 (X3) all with M54 engine
E85 (Z4) all with M54 engine
SITUATION
Certain areas of the US experience extremely cold climate conditions during the winter months. A small number of
vehicles in the above-listed Series have experienced problems ranging from leaking or broken valve covers to complete
engine failure.
CAUSE
Moisture accumulating in the engine oil separator; hose to oil dipstick guide tube; or the orifice in the dipstick guide
tube can freeze. When this occurs, depending on the position of the internal valve, it may either cause high crankcase
pressures (stuck closed) resulting in valve cover leakage and/or breakage, or cause an oil hydro-lock condition (stuck
open), which could result in engine damage.

CORRECTION
Replace the crankcase vent valve, crankcase vent hoses, and dipstick guide tube.

E46 (3 Series) rear-wheel drive only

Part Number Description Quantity
11 61 7 534 237 Oil Separator Repair kit 1
11 43 7 565 437 Dip Stick Guide Tube 1
11 15 7 532 629 Hose 1

E46 (3 Series) all-wheel drive only

Part Number Description Quantity
11 61 7 534 237 Oil Separator Repair kit 1
11 43 7 565 438 Dip Stick Guide Tube 1
11 15 7 532 629 Hose 1
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Old 07-20-2010, 03:40 PM   #3
Adam330i
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I would definitely listen to your shop on this one. You definately do not want t let this go. I bought the kit from tischer BMW and installed it myself. It is a rarely straight forward diy, challenging at times but definately doable. Typically unwound say you could wait until fall and then get it replaced. I haven't heard of near as many issues of the hydrolock occurring in the summer.
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Old 07-20-2010, 04:03 PM   #4
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do it.

i did it myself. it's annoying.
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Old 07-20-2010, 04:12 PM   #5
Northern Dancer
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Do you know the history of the car? If it was used often, if it is used often for short trips under 8 km, then replace ASAP especially if the oil was only changed according to BMW on board computer. Conversely, if the car is always driven at least 8 kms IN THE WINTER and you change your oil at least twice a year, then I might consider letting it go.
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Old 07-20-2010, 04:13 PM   #6
Jason@Tischer
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Here's a link to our E46Fanatics M54 CCVV Kit Special on the site
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Old 07-20-2010, 04:26 PM   #7
kakashi_sensi
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Join Date: Feb 2009
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Quote:
Originally Posted by shanneba View Post
There is a BMW TSB on this issue - If you do not have the cold weather version, replace it.

SUBJECT
Oil Separator Cold Climate Conditions
MODEL
E39 (5 Series) all with M54 engine
E46 (3 Series) all with M54 engine
E53 (X5) all with M54 engine
E60 (5 Series) all with M54 engine
E83 (X3) all with M54 engine
E85 (Z4) all with M54 engine
SITUATION
Certain areas of the US experience extremely cold climate conditions during the winter months. A small number of
vehicles in the above-listed Series have experienced problems ranging from leaking or broken valve covers to complete
engine failure.
CAUSE
Moisture accumulating in the engine oil separator; hose to oil dipstick guide tube; or the orifice in the dipstick guide
tube can freeze. When this occurs, depending on the position of the internal valve, it may either cause high crankcase
pressures (stuck closed) resulting in valve cover leakage and/or breakage, or cause an oil hydro-lock condition (stuck
open), which could result in engine damage.

CORRECTION
Replace the crankcase vent valve, crankcase vent hoses, and dipstick guide tube.

E46 (3 Series) rear-wheel drive only

Part Number Description Quantity
11 61 7 534 237 Oil Separator Repair kit 1
11 43 7 565 437 Dip Stick Guide Tube 1
11 15 7 532 629 Hose 1

E46 (3 Series) all-wheel drive only

Part Number Description Quantity
11 61 7 534 237 Oil Separator Repair kit 1
11 43 7 565 438 Dip Stick Guide Tube 1
11 15 7 532 629 Hose 1
Quote:
Originally Posted by Adam330i View Post
I would definitely listen to your shop on this one. You definately do not want t let this go. I bought the kit from tischer BMW and installed it myself. It is a rarely straight forward diy, challenging at times but definately doable. Typically unwound say you could wait until fall and then get it replaced. I haven't heard of near as many issues of the hydrolock occurring in the summer.
thanks for the info dude...=) ill make sure i take advantage of this list

Quote:
Originally Posted by beingdevious View Post
do it.

i did it myself. it's annoying.
how annoying is it? the engine bay does look tight
im a noob really when it comes to engine work...will i still manage?

Quote:
Originally Posted by Northern Dancer View Post
Do you know the history of the car? If it was used often, if it is used often for short trips under 8 km, then replace ASAP especially if the oil was only changed according to BMW on board computer. Conversely, if the car is always driven at least 8 kms IN THE WINTER and you change your oil at least twice a year, then I might consider letting it go.
the 2nd owner of the car didnt use it much
i am the 3rd and i use it quite often driving long distances
at least 19.3km each day
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Old 07-20-2010, 04:27 PM   #8
kakashi_sensi
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Quote:
Originally Posted by Jason@Tischer View Post
so this link is all the parts i need right?? thanks once again
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Old 07-20-2010, 04:34 PM   #9
N89
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Quote:
Originally Posted by kakashi_sensi View Post
so this link is all the parts i need right?? thanks once again
It looks like it has everything except the dip stick guide tube.
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Old 07-20-2010, 05:13 PM   #10
kakashi_sensi
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Quote:
Originally Posted by Nineteen89 View Post
It looks like it has everything except the dip stick guide tube.
ok ill look into that
thanks
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Old 07-20-2010, 06:05 PM   #11
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for Jason

Quote:
Originally Posted by Jason@Tischer View Post
Never done "quote" before so hope this works. Jason-when we order how can we differentiate between RWD and AWD models??
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Old 07-20-2010, 06:32 PM   #12
Solidjake
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I did it in just under 3 hours. It's not that hard.
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Old 07-20-2010, 06:49 PM   #13
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Something the m52 guys have to worry about? Im at 216k, many miles per trip..
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Old 07-20-2010, 11:16 PM   #14
kakashi_sensi
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anyone got a diy on this?
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Old 07-20-2010, 11:48 PM   #15
monkeyjuice5150
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This is one of the require maintenance to do. I would do it... its ***** work tho.
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Old 07-20-2010, 11:56 PM   #16
N89
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I'm going to do it also but I'll probably have a shop do it since that just looks like a pain in the... If I were you I wouldn't hesitate since you live in a colder climate than I... me, I'm going to wait until fall to do it.

Last edited by N89; 07-20-2010 at 11:58 PM.
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Old 07-21-2010, 12:33 AM   #17
kakashi_sensi
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ya thanks for the advice...

i think im gonna do it...i might do it myself? i duno =\
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