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BMW 3-Series (E90 E92) Forum
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HPF Enters the 135i/335i Market With Their New 335i Intercooler - VIDEO and PICTURES
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01-22-2010, 10:18 PM | #89 | |
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01-22-2010, 10:21 PM | #90 |
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Especially if it is suppose to support 650rwhp, the stock connectors seem restricting. Not doubting the product, just an observation.
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01-22-2010, 10:55 PM | #91 |
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+1...several companies mentioned they could've implemented stock C-clip connection easily but chose not to, in favor of larger and smoother flowing silicon coupler connection. I'll reserve my judgement on the HPF FMIC until an explanation is given on this.
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01-23-2010, 11:42 AM | #92 |
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I completely agree and it looks like from the specs of this IC that the progression will lead somewhere close to 650 rwhp. otherwise why design it to such a high spec. I really like this product and will probably put it on my list of mods to come. My only question is I do not like the fact that I have to cut the shroud. Is there any way to just remove it instead of cutting it ? I don't mind cutting it but I do not have the tools to do that so it would force me to have this easy install done by someone else thus defeating the purpose of an easy install. I am very anxious to see what is next in the line of progression. Are there typical stages that are considered Stage 1-5
? is this considered stage 1? |
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01-23-2010, 12:22 PM | #94 | |
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And yes, some of the vendors have really heavily marketed the idea of not using the stock couplers. While they appear more restrictive then new tubing, exactly what that restriction equates to in real world power difference has never been clear. Now that HPF has gone with using stock couplers and claiming 650+hp capacity I'm willing to bet it aint that great a difference. |
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01-23-2010, 01:16 PM | #95 |
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hi Chris... I respect HPF very much. one of my friend got his e46 upgraded to 2.5 stage, and he's very very happy about it!! he imported a 2.5 kit directly to Taiwan. he's a happy customer of yours.
with all the respect, i don't know much about IC... but is there a pressure drop during high speed? why is the boost level is lower than stock IC after 95mph? |
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01-24-2010, 05:59 PM | #96 | |||
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01-24-2010, 06:19 PM | #98 |
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Well, we have spent several years shopping for intercooler cores. Sometimes you can see right through some of the intercooler cores on the market. This is because the fins in the core are not offset from one another from row to row and some cores are not as densly packed as others. You want the greatest possible chance of the air molecules hitting the intercooler fins as they travel down the length of the intercooler core. This provides the greatest cooling capability. This is one of the reasons our cores weigh a bit more than others. We tried several cores from several different locations in the US and in other countries before we found the ones we use today. And we've kept our intercooler core source confidential.
Chris. |
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01-24-2010, 06:58 PM | #99 | |
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Looks like I'm keeping this car for a while
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01-24-2010, 07:11 PM | #100 |
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01-25-2010, 10:30 AM | #101 | |
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Is this going to be what you consider Stage 1 or is this just a prep for stage1 ? |
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01-26-2010, 12:36 PM | #102 |
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Thanks for the questions and comments.
Cross sectional air flow As you can see from the pictures below, the 335i turbos outlets are very small (only 1.0" in internal diameter). The IC piping expands to 2.0" in internal diameter where the two sections are combined. The accordian type rubber hose on the end with the C-clip is 2.0" in internal diameter until the end where it is 1.75". We can compare the flow ratings for the two long 1.0" ID sections to the 1.75" connector at the end by comparing the cross sectional area which is 3.14159 X R X R (where R is the radius). The cross sectional area of the two 1.0" ID sections is 1.57 square inches whereas the cross sectional area of the end that connects to the intercooler is 2.40 square inches (52% more flow). IMO.. Unless the entire IC piping is replaced (which we will do with our stage 2 single turbo upgrade), the benefits to replacing the small accordian section of hosing that easily connects and disconnects to the intercooler without replacing the entire turbo to intercooler piping is negligible. Replacing the intercooler piping itself (which is quite efficient for the size of turbos the 335i is using) is not a product we want to make because we don't feel the consumer will get any added value for the money they will pay and the installation is quite a bit more involved that people would expect. Here are some pictures I took of the factory turbo to intercooler piping... Last edited by HPF Chris; 01-26-2010 at 01:00 PM.. |
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01-26-2010, 12:58 PM | #103 |
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good pic ^
have you guys found the stock couplers to hold higher levels of boost ok? I've found a few cars with leaks at that location when installing intercoolers.
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01-26-2010, 01:00 PM | #104 |
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Hi Chris,
I know this is asking a bit much but are there any estimates on the future HPF stage 1 and 2 kits? Approximately how many stacks are we talking for S2? |
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01-26-2010, 03:42 PM | #105 |
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Can't wait to see this beast in action at Mfest
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01-26-2010, 07:10 PM | #106 |
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Chris, thanks for the post on the cross sectional airflow..
Question, in your video showing the dyno gains, what tune is that 335 using to boost 11psi.. is it your tune that is currently underdevelopment, or did the donor car already have it? Sorry if I missed this information.. |
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02-04-2010, 06:57 PM | #107 |
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I called earlier to order the FMIC and was told that the next batch was coming in late March, and the 10 fmic from the initial batch are spoken for....I was going to place the order and asked him that my card shouldn't be charged until its shipped right?? I was told that I will be charged 500 dollars deposit which essentially is half of the intercoolers price and when the intercooler ships I will be charged the remaining 535...I was kind of taken back at such a hefty deposit that was necessary, but I was willing to do so anyway, I then asked if I decide to cancel the order before the next batch of FMIC arrives, will I be refunded my deposit...I was told "NO REFUNDS" First off, asking for 500 dollar deposit on a product that is not a special order which they will stock is rediculous, and cancelling an order before shipment and not getting back your deposit because of cancellation is bad business....HPF is a large reputable tuning company and I didn't think they would have policys like this....Smaller vendors which are not as well known as them offer money back if you decide to cancel, and as for deposits, its nothing near what I would have to pay for a pre-order of a FMIC which is 500 bucks......All the vendors I have dealt with do not charge the credit card unless it ships out....I am very suprised at their business policy and this is the first time I have dealt with this issue with any vendor that is selling aftermarket parts on this forum...
Last edited by cn555ic; 02-04-2010 at 07:05 PM.. |
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02-04-2010, 07:23 PM | #108 | |
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02-04-2010, 07:32 PM | #109 | |
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We have already sold through both the first and part of our second batch. The reason we take the deposits is to ensure those people on the list are serious which allows them to lock a place in line as we already have over 25 orders for these. We will charge the remaining $500 once we ship them out. Did you order this directly from us at 503-256-5600 or through one of our vendors? Take care, Chris. |
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02-04-2010, 07:34 PM | #110 | |
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Last edited by cn555ic; 02-04-2010 at 08:26 PM.. |
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135i, 335i, bmw, fmic, intercooler |
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