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BMW 3-Series (E90 E92) Forum
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Stage 1's installed on first vehicle, ready to ship. Intro price $1299
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09-30-2012, 12:31 PM | #23 | |
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My bad. I thought Stage 2s were going to be closer to $1999 (with the new flapper), which I was comparing to the intro price here of $1599 for Stage 1bs. Stage 2 pricing closer to $2499 I had not considered.
At any rate, for ~$700 more, still makes no sense to buy Stage 1(a,b,etc)... with all of the benefits of going to Stage 2. I have had worldwide feedback of attempts at Stage 1 upgrades. I have seen people actually lose power, likely from the more poorer mismatch in wheels that have occurred. The fact is that the 14T is a native TD04 wheel... in no other application will you see a 14T on a TD03 Shaft. In fact the TD03 Shaft typically employs a "7-10" series wheel with the "10" already equipped on these cars from the factory; in my opinion the turbine is about tapped out with the 10T. What this car does with the OEM turbos is nothing short of INSANE considering their size. And buying them brand new factory fresh with all the most modern Wastegate components for close to $1300 is a great deal. Also if you are not replacing every Internal wastegate component, you should consider it, as they all wear extensively and aggressively over time. It is true that the flapper likely makes the most noise (much times attributed to poor actuator adjustment due to wastegate shaft/bushing wear over time), but the wastegate arm and bushing also wear into oblong shapes making the wastegate movement stick or cause other boost control issues- again along with being a contributor to wastegate rattle in itself. This is not an anomaly condition either, nearly all of the cores with some miles have this issue to the point of not being worth trying to pick through identifying the 5-10% that are still "acceptable". This holds true for either Stage 1 or Stage 2. Rob Quote:
Last edited by Rob@RBTurbo; 09-30-2012 at 12:42 PM.. |
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09-30-2012, 12:48 PM | #24 | |
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Last edited by Tony@vargasturbotech; 09-30-2012 at 01:34 PM.. |
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09-30-2012, 02:29 PM | #25 |
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RobBeck wrote; "Also if you are not replacing every Internal wastegate component, you should consider it, as they all wear extensively and aggressively over time."
Funny, it reminds me of the first time I examined the internal wastegate on old stock turbos. At first I thought 'how odd, the wastegate pivot was made with a free floating ball joint so it can pivot freely in all directions!' lol Then I found out they didn't make it that way, it was just worn out way beyond anything I had seen before. |
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10-01-2012, 01:47 AM | #26 | |
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