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Jasesapphy

Remapped 330D Air Charge Temps

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Hi Guys

This weekend I have done some testing on air charge temps, and was quite suprised just how high they are getting on the 330d, actually i am going start looking for an intercooler upgrade (hopefully less than the £450 option from Allard)

The car is ok when driving normally but soon as you start opening up and pushing on some of themp are climbing very high.

It should be a consideration for you all.

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Bigger intercooler i reckon best option for ease, could use meth/water, we did this on old track car

A decent intercooler will significantly reduce temps, the 330d ones arnt very big TBH

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98degrees is nuts. Where were you recording this from out of interest?

I've got a fairly sizeable intercooler to go on next.

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Was the temp taken from the alloy part of the charge cooler hoses where the OEM temp sensor sits?

This would be open to heat soak from the rest of the engine and doesnt give an accurate reading!

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Let's be honest here........BMW wouldn't of put an air temperature sensor in a charge pipe that was going to read inaccurately now are they!?

All the charge system will suffer from heat soak but that's only when you're sat in traffic,

However a good intercooler will soon get these temps down as you start moving again,

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Let's be honest here........BMW wouldn't of put an air temperature sensor in a charge pipe that was going to read inaccurately now are they!?

All the charge system will suffer from heat soak but that's only when you're sat in traffic,

However a good intercooler will soon get these temps down as you start moving again,

Yeah they would lol

Its something that one of the tuners I spoke to picked upm on! Cant remember which one now but it was something they were concious of

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It was originally an Airtec 70mm RS500 Cosworth Intercooler that I had modified - basically the top chopped off it and smaller inlet/outlets welded on.

No extra 'lag' at all - bear in mind all you are doing is just compressing the air that's already in there.

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It was originally an Airtec 70mm RS500 Cosworth Intercooler that I had modified - basically the top chopped off it and smaller inlet/outlets welded on.

No extra 'lag' at all - bear in mind all you are doing is just compressing the air that's already in there.

Oh right a custom job then?! nice :thumbsup:

If you increase the "space" or size of a charge cooler you do run the risk of lag due to the cooler cooling the air arfter the turbocharger has compressed it.

It can also be a problem if you move the cooler for any reason and extend the piping to and from it, getting more surface area is always a good thing but it will increase lag, just depends on how much and if its noticable or not!

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Non whatsoever that I have found anyway.

My intercooler is different to Jasesapphy's

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The only thing its going to possibly going to affect is the aircon when stationary I believe.

Mine's been off for 4 months ish and I know of someone elses thats been off for over a year with no adverse affects.

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