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05-17-2014, 08:59 AM | #23 |
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05-17-2014, 11:44 AM | #24 |
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Most superchargers net a power increase of 60%. So theoretically you could make 350+ HP (383) if you do the math. That's best case scenario. Will the n52 handle it? We will see. It is an interesting concept. If it goes wrong, it will melt the cylinder block and pistons vs just the pistons( referencing a steel lined block). I'd be interested in seeing this work!
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05-17-2014, 12:34 PM | #25 |
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If max hp is your priority go with M3. On the other hand, when you value money or have a limited budget it's easy to appreciate the bang for the buck you get with a reliable sc. If you want more, one can always increase boost turbo or sc, but that carries a higher risk
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05-17-2014, 05:12 PM | #27 |
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N51 compatible?
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05-17-2014, 05:58 PM | #28 |
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I think so, in the e90post thread this was mentioned
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05-17-2014, 07:18 PM | #29 |
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05-17-2014, 07:41 PM | #30 |
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Check Roman's posts, I think it comes with tune and speed delimiter. If I'm going to shell out $5k it will include the tune... Can't sell SC for n52 and no tune, it would be like selling a car with no keys
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05-17-2014, 08:43 PM | #31 |
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5k might be less then what one would anticipate (as compared to AA), it's still not a good investment in my opinion, and not to mention it's reliability....I got a 128 because i put 18k on the car each year so reliability was my concern. I was under the impression that most of us got a 128 because 1) we drive a lot 2) its cheaper....if you have 5k sitting at home and want more power, sell your car and get a 135i, a smarter decision in my opinion.
Last edited by SayHack; 05-17-2014 at 10:50 PM.. |
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05-18-2014, 09:08 AM | #32 | |
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05-18-2014, 09:39 AM | #33 |
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ESS is a good company, it's really just down to if they N52 is up for it.
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05-18-2014, 09:45 AM | #34 |
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I could see myself going this route. I've owned my car since new, gone way above and beyond the required maintenance using high quality fluids, and I know the car's full history. I wouldn't give all that peace of mind up by trading for a used 135i. ESS products seem very high quality, and they've had experience with supercharger kits for many other BMWs. Hopefully they can pull this off.
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05-18-2014, 10:34 AM | #35 | |
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05-18-2014, 12:10 PM | #36 |
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Does ESS say who makes the blower?
Looks like a Vortech, which is good....
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05-18-2014, 03:08 PM | #37 | |
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Also curious if this kit includes an oil cooler and such. We certainly have space for it.
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05-18-2014, 06:02 PM | #38 | |
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the N52 obviously doesn't run as hot as the N54, but .. where the N54 oil cooler mounts is the same.. only difference would be the N52 doesn't have the right housing to bolt one onto the motor EASILY. $5k for the blower kit + $1k for headers (or gut cats) + DIY install.. if it's +100whp bolt on blower alone, say another 10 or 20 for the headers, it'll be a fun little thing! power delivery would be smooth! wonder if there would be room for a slightly smaller pulley + even more boost.. even 350rwhp from an N52? mmm. though i think people who have done headers + ITB's + tune have netted near 350.. but you're pretty solid into the price of grabbing an N54+trans and bolting it in... or, yeah, trading for a 135i haha. |
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05-18-2014, 07:00 PM | #39 |
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Interested to see what the curve looks like with a blown N51/2. Cool idea though i'm not sure what purpose it really serves.
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05-18-2014, 07:57 PM | #40 |
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It's not going to melt the block:
Magnesium melting point 1,202°F Aluminium melting point 1,221°F It will not make the car explode, it's not going to catch on fire. It will, however, cause the piston rings to wear down faster, and under MORE boost (more than the supercharger could produce probably) weaken the block eventually, but we'll be fine. First thing to go under too much boost would be the crank/rods/pistons anyhow. |
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05-18-2014, 09:37 PM | #41 |
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Question to the mechanically inclined and beyond. It's a known fact that 3.0L M52 and M54 are heavier than 3.0L N52 since the latter is a newer better design using lighter elements including Aluminum. If moving parts also comprise lighter elements than less force should be required (from SC) to generate the same boost. Doesn't weight factor in favorably to boost assuming the N52 engine components withstand the added stress
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05-19-2014, 04:58 AM | #42 | |
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N54 is cost effective power. S65 is power. N52 is best left standard, so far- this has potential to change that. Flinchy and I share a viewpoint on this one. * Still waiting to hear back from ESS * |
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05-19-2014, 06:05 AM | #43 | |
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There will be less losses from inertia in the lightweight components The weight of parts has nothing to do with how much boost the blower needs to make more power.. Or how much boost the blower makes, that's purely how fast it's spinning.. Belt driven and all. |
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05-19-2014, 06:33 AM | #44 |
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And more specifically, the M54 is lower compression and made with stronger internals, making it rather receptive to boost. Hence why BMW themselves adapted it into the N54.
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