Oil Catch Can - MINI Cooper Forum

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post #1 of 12 (permalink) Old Aug 19th, 2017, 09:21 AM Thread Starter
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New Zealand Oil Catch Can

Is there anyone on this forum that has had experience with fitting an oil catch can on Cooper D R56 W16 Engine?

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post #2 of 12 (permalink) Old Aug 19th, 2017, 09:43 AM
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why does it need a catch can?


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post #3 of 12 (permalink) Old Aug 19th, 2017, 09:10 PM
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I normally put cardboard on the floor under the front of the car,
its easy to get rid of after...
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post #4 of 12 (permalink) Old Aug 19th, 2017, 11:22 PM
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Quote:
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I normally put cardboard on the floor under the front of the car,
its easy to get rid of after...
Lol

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post #5 of 12 (permalink) Old Aug 21st, 2017, 02:06 PM Thread Starter
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AstroCooperS. The question is serious and important. Pull the pipe from the airbox off your turbo and have a look at the blow-by oil. And there is nothing "" about it SeanC :-(
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post #6 of 12 (permalink) Old Aug 21st, 2017, 02:11 PM Thread Starter
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AstroCooperS. The "Blow-By" oil and fumes that gets past the piston rings does not fall to the floor onto cardboard! It leaves the PCV unit and enters your turbo to reticulate through your system. Read and Learn.
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post #7 of 12 (permalink) Old Aug 21st, 2017, 02:17 PM Thread Starter
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Minione2002. The oil catch can is to capture the oil and fumes that get past your piston rings, flow through the PCV (Positive Crankcase Ventilation) and then through your turbo causing undue damage.
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post #8 of 12 (permalink) Old Aug 21st, 2017, 02:24 PM Thread Starter
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Here's a Quote from Pelican Parts;
The R56 MINI Cooper S is prone to excessive oil vapor within the intake system from the crankcase breather system. This can cause a build up of oil residue on the intake valves as well as moisture and oil in the intake air ducts.

A catch can separates the oil vapors from the crankcase air before it is returned back into the intake system, keeping your intercooler and sensors working at peak performance. If you've ever taken off your intercooler, you most likely noticed a build up of oil within each rubber boot sealing each end of the intercooler. Spray some cleaner into it and you'll quickly discover massive amounts of oil that build up inside the intercooler. This oil coating is not in itself harmful to the general operation of the engine, but it does affect the performance by limiting the efficiency of the intercooler in cooling the compressed intake charge, not to mention gumming up various sensors and components including the critical intake valves.
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post #9 of 12 (permalink) Old Aug 21st, 2017, 03:20 PM
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This is a problem for the direct injection petrol engines such as the Cooper S in your quote, not the diesels.

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post #10 of 12 (permalink) Old Aug 21st, 2017, 04:37 PM
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@bugga yer awfy sensitive man. Chill out

Fit an oil catch can then report back with your findings rather than be over sensitive about what we're saying. Just for your information, I currently run 2 Cooper D's and one is on 139,000, that's 223698 in Australian gold coins and I have previously ran Peugeot's with the Hdi engines well in excess of 270,000 miles which is nearly half a million km's and never felt the need to fit an oil catch can, nor have I noticed any loss of performance or oil contamination in the turbo or anywhere else for that matter but having said that all my cars are serviced every 6000 miles and I'd consider them better than average on mechanical health

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post #11 of 12 (permalink) Old Aug 22nd, 2017, 01:04 PM
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Minione2002. The oil catch can is to capture the oil and fumes that get past your piston rings, flow through the PCV (Positive Crankcase Ventilation) and then through your turbo causing undue damage.
Hmm live and learn..

never new "fumes" could damage a turbo.

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post #12 of 12 (permalink) Old Aug 23rd, 2017, 08:02 PM
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Quote:
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Is there anyone on this forum that has had experience with fitting an oil catch can on Cooper D R56 W16 Engine?
the issue with oil tank vented out side of the intake is crankcase gases have high nox gases thats the worst of it and mot failure on top of breathing in those gases while driving along the road is not a good outcome, i've stopped doing this method as it causes other issues depending on what car. ie sensors get clogged up from egr soot on diesels, the petrol vti engines suffer from valves getting clogged more,, a closed oil tank with a pipe that collapses when under neg vacum is best method so system still sealed to the intake and not a failure it just removes the oil

Albert Einstein: The definition of insanity is doing the same thing over and over and expecting different results.
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