325i E90 vs e46?
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Schwepps
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astroboy;455350 said:There u go, Unker's choice is still E90.. both E46 is out..dated..
Wooei! You said that, not me. The E46 and E36 are still great cars. :top:
I understand, sonny. All boys like to play with dipsticks that they can stick in, pull out, and examine closely.
Unker has been there, done that. 
astroboy
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Call it ego or what, we still prefer the stick method, don't use stick use what? Finger? meddle with the OBC? naah.. less fun compare to the "real" thing where you actually dealt with the liquid itself and can feel it with all your 5 senses.. :top: rather than virtual interaction.. :wink:
E46Fanatic
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I think the oil level check via OBC is a great thing. No need to stop and wait for the oil to settle before taking measurements and no need tissue paper and dirty hands checking the oil level. Maybe BMW has the vision that drivers interact with their machines more and more like how pilot's interact with their planes. All readings and measurements are done in cockpit.
3er
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E46Fanatic;455457 said:
Wait till the pitot tube gets stuck....
just kidding - there's no pitot tube....
Playing with things under the hood and getting your fingers dirty bonds you with the car. Playing with knobs makes you "just a user". But then again thats the trend with modernisation. Those good ol days will be passe soon. Your kids will say "dispstick?? whats that??"
glock_8
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3er;455555 said:
there is nothing wrong with getting ur hand dirty...but in e90 thread? come'on....i wouldnt buy a luxury car to get my hand dirty...i wouldnt even step my foot on the greasy workshop...
maybe 5 years from now when the e90 is superceded...it would be a diff story.which is why choosing between a e90 and e46 is sooo easy for me.
Schwepps
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3er;455555 said:
Going OT here, but actually it would be interesting to know how the oil level is sensed for the OBC 'dipstick'. That would tell us how accurate and reliable it is. Anybody know? Earth calling Astro...earth calling Astro...
Crymson
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I'd go for E90. Driving E36 328 for 6 years already and don't find a need to change to E46, same chasis what and E36 less headache & handles better. My next car (will keep the E36) will consider 50/50 ACU30 or E90.
Anyways, if budget permits, since new 3series is coming out in 2012, why not wait for the new model in 2012 OR get a E90 now, use it for 5 years then change to the new model? Second option would mean the new model have been in the market for 2-3 years.
Anyways, if budget permits, since new 3series is coming out in 2012, why not wait for the new model in 2012 OR get a E90 now, use it for 5 years then change to the new model? Second option would mean the new model have been in the market for 2-3 years.
E46Fanatic
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jarance;455675 said:
I read it was some sonar type device... Ping ping ping...
Still amazes me that it can measure oil levels while engine is in motion.
astroboy
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Located in the engine oil pan. This is the sensor that tells the check panel the oil level in the engine oil pan. Mounting at the bottom of the pan, hornily sticking up.
This is N46 oil level sensor, part number: 12 61 7 501 786
This is N52 oil level sensor, part number: 12 61 7 567 723
Whether they are radar or sonic sensor, possible but not sure..
This is N46 oil level sensor, part number: 12 61 7 501 786
This is N52 oil level sensor, part number: 12 61 7 567 723
Whether they are radar or sonic sensor, possible but not sure..
astroboy;455710 said:Located in the engine oil pan. This is the sensor that tells the check panel the oil level in the engine oil pan. Mounting at the bottom of the pan, hornily sticking up.
This is N46 oil level sensor, part number: 12 61 7 501 786
This is N52 oil level sensor, part number: 12 61 7 567 723
Whether they are radar or sonic sensor, possible but not sure..
Look more like capacitive type rather than sonic or radar. Radar or sonic sensor should have a cone shaped for transmitting and receiving the sound wave.
So capacitive is more likely cos the capacitance will change when the oil level change submerging the level probe.
t2ribena
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the oil level and oil quality is sense using the capacitance method with the sensor as you guys posted above...
drop in oil level will change the capacitance due to the change of the dielectric (the oil) and drop in oil quality is also sense thru changes of dielectric since the composition of the chemicals now different due to impurities in oil due from the combustion residue and others...
drop in oil level will change the capacitance due to the change of the dielectric (the oil) and drop in oil quality is also sense thru changes of dielectric since the composition of the chemicals now different due to impurities in oil due from the combustion residue and others...
E46Fanatic
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Here's the writeup on it. Its a Hella OEM part
-----------
PLYMOUTH, Mich. -- Tier-one automotive supplier Hella KGaA Hueck & Co.'s second generation of its ultrasonic oil sensors will help manufacturers achieve new emissions standards while making it easier for vehicle owners to monitor oil levels.
With Hella's oil sensor, drivers will no longer have to guess when their oil needs to be changed or go with the old adage of changing motor oil every 3,000-5,000 miles. Extending the life of a full charge of engine oil can potentially reduce carbon dioxide (CO2) by more than six grams per mile.
"We developed a robust, ultrasonic sensor that can operate in the harsh conditions of an internal combustion engine
, while monitoring overall oil levels," said Dr. Martin Fischer
, president of Hella's U.S. Corporate Center with responsibility for the automotive supplier's lighting, electronics and aftermarket business units in the United States. "We also have a premium version of the sensor that checks viscosity.
"This novel oil-quality sensor will determine when the oil has degraded or become contaminated by soot, fuel, water or coolant leaks."
Called the PULS (packaged ultrasonic level sensor
), Hella's second generation oil-level sensor has been standard equipment on a number of European vehicles since 2006. The first generation of oil level sensors was introduced in 1994 and since captured a 60 percent market share in Europe.
Hella's premium version of the oil sensor, called PULS+C (packaged ultrasonic level sensor + condition), also monitors oil quality.
The PULS and PULS+C sensors use multi-chip module
technology that has nearly halved the number of parts per sensor when compared to Hella's previous version. The sensor has a dampening cup that reduces the currents, turbulence and surface movements in the oil pan that are caused by engine operation and vehicle movement. If the oil level is too low, the sensor will notify the driver of the exact filling requirement.
The PULS+C continuously monitors key oil properties including viscosity, density and permittivity
(dielectric conductivity). It can match oil-change intervals to the respective engine and consumers' driving styles.
"Our PULS+C offers several distinctive advantages," Fischer added. "By detecting extreme oil conditions or foreign substances, Hella's oil-quality sensor provides an early warning to drivers and can help prevent excessive engine wear and damage."
Hella's ultrasonic sensors allow automakers to develop effective engine management systems to improve fuel efficiency while optimizing the service life of engine oils.
Hella is developing a dynamic oil-pressure sensor for 2010. This will allow the electric oil pump to be intelligently controlled so that it will provide the optimum oil film for different engine operating states. This will trim the oil pump's energy consumption, contributing to better fuel economy.
"Our PULS sensors are compact, reliable and cost-effective, but there's one other advantage - automakers can eliminate the oil dipstick," Fischer said. "In the old days of the auto industry, motorists measured the amount of gasoline in their tanks using a measuring stick. We don't do that anymore.
"Hopefully, future motorists will no longer have to contend with going into the engine compartment and hunting for the oil dipstick with a rag in hand. That's a job where you don't want to be wearing a nice outfit."
Hella KGaA Hueck & Co. develops and manufactures lighting and electronics components and systems for the automotive industry. Its joint venture companies also produce complete vehicle modules and air conditioning systems.
In addition, Hella has one of the largest aftermarket organizations in the world for automotive parts and accessories, with its own sales companies and partners in more than 100 countries. The consolidated annual turnover of the Hella Group is about $5.7 billion.
Hella is one of the top 50 automotive parts suppliers in the world and one of the 100 largest industrial companies in Germany. Nearly 25,000 people work in 70 manufacturing facilities and production subsidiaries throughout the world, including more than 3,500 research-and-development engineers and technicians. Customers include all of the world's leading vehicle and systems manufacturers, as well as the automotive parts aftermarket.
Additional information is available at www.hella.com.
------------
BMW OEM's Hella's Oil Level Sensors
http://www.thefind.com/cars/info-bmw-oil-level
-----------
PLYMOUTH, Mich. -- Tier-one automotive supplier Hella KGaA Hueck & Co.'s second generation of its ultrasonic oil sensors will help manufacturers achieve new emissions standards while making it easier for vehicle owners to monitor oil levels.
With Hella's oil sensor, drivers will no longer have to guess when their oil needs to be changed or go with the old adage of changing motor oil every 3,000-5,000 miles. Extending the life of a full charge of engine oil can potentially reduce carbon dioxide (CO2) by more than six grams per mile.
"We developed a robust, ultrasonic sensor that can operate in the harsh conditions of an internal combustion engine
, while monitoring overall oil levels," said Dr. Martin Fischer
, president of Hella's U.S. Corporate Center with responsibility for the automotive supplier's lighting, electronics and aftermarket business units in the United States. "We also have a premium version of the sensor that checks viscosity.
"This novel oil-quality sensor will determine when the oil has degraded or become contaminated by soot, fuel, water or coolant leaks."
Called the PULS (packaged ultrasonic level sensor
), Hella's second generation oil-level sensor has been standard equipment on a number of European vehicles since 2006. The first generation of oil level sensors was introduced in 1994 and since captured a 60 percent market share in Europe.
Hella's premium version of the oil sensor, called PULS+C (packaged ultrasonic level sensor + condition), also monitors oil quality.
The PULS and PULS+C sensors use multi-chip module
technology that has nearly halved the number of parts per sensor when compared to Hella's previous version. The sensor has a dampening cup that reduces the currents, turbulence and surface movements in the oil pan that are caused by engine operation and vehicle movement. If the oil level is too low, the sensor will notify the driver of the exact filling requirement.
The PULS+C continuously monitors key oil properties including viscosity, density and permittivity
(dielectric conductivity). It can match oil-change intervals to the respective engine and consumers' driving styles.
"Our PULS+C offers several distinctive advantages," Fischer added. "By detecting extreme oil conditions or foreign substances, Hella's oil-quality sensor provides an early warning to drivers and can help prevent excessive engine wear and damage."
Hella's ultrasonic sensors allow automakers to develop effective engine management systems to improve fuel efficiency while optimizing the service life of engine oils.
Hella is developing a dynamic oil-pressure sensor for 2010. This will allow the electric oil pump to be intelligently controlled so that it will provide the optimum oil film for different engine operating states. This will trim the oil pump's energy consumption, contributing to better fuel economy.
"Our PULS sensors are compact, reliable and cost-effective, but there's one other advantage - automakers can eliminate the oil dipstick," Fischer said. "In the old days of the auto industry, motorists measured the amount of gasoline in their tanks using a measuring stick. We don't do that anymore.
"Hopefully, future motorists will no longer have to contend with going into the engine compartment and hunting for the oil dipstick with a rag in hand. That's a job where you don't want to be wearing a nice outfit."
Hella KGaA Hueck & Co. develops and manufactures lighting and electronics components and systems for the automotive industry. Its joint venture companies also produce complete vehicle modules and air conditioning systems.
In addition, Hella has one of the largest aftermarket organizations in the world for automotive parts and accessories, with its own sales companies and partners in more than 100 countries. The consolidated annual turnover of the Hella Group is about $5.7 billion.
Hella is one of the top 50 automotive parts suppliers in the world and one of the 100 largest industrial companies in Germany. Nearly 25,000 people work in 70 manufacturing facilities and production subsidiaries throughout the world, including more than 3,500 research-and-development engineers and technicians. Customers include all of the world's leading vehicle and systems manufacturers, as well as the automotive parts aftermarket.
Additional information is available at www.hella.com.
------------
BMW OEM's Hella's Oil Level Sensors
http://www.thefind.com/cars/info-bmw-oil-level
