Originally posted by discoelk
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BMW Motorsport Inconel S54 Headers
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Originally posted by Cronenberged View Post
You're welcome to Google "Fetcher made horsepower" call and ask him yourself. He has engine dyno'd these and they have no low end torque they're designed for an all out race engine. No I don't and don't know anyone who who would have the graph but just words he's provided. For reference he was PTG's tuner for their racecars
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There were three cam options for the P54 - 316° or 304° intake and 298° exhaust. The engine lives at high RPM all the time and can take advantage of those headers. The routing is very similar to the discontinued Epic headers which were not very popular -
Someone said that the installation required removing the passenger side engine bracket. It appears the manufacture chose to make them without the V-band. The V-band probably made the P54 headers easier to install than the Epic headers.
There is really no good reason to have either of these over the SSV1s on a non-race car.Last edited by Slideways; 01-09-2024, 02:20 PM.
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These are in the parts catalogue for the Z4 VLN car equipped with a P54B32.
These cars are also running a 316° intake cam. Not interesting for any application that is less than 100% race...
Although the design is true equal length between both banks, which makes it kind of intriguing...
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Last edited by Altaran; 01-09-2024, 02:44 PM.2002 E46 M3 TiAg Coupé >> full tracktool conversion @m346gt
2000 986 Boxster S >> ice cream getter
Past: E46 330Ci, 944S2, 996 C4S
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Found an old video with that Z4 M racecar supposedly with those headers for those that wonder what a P54 sounds like.
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2002 E46 M3 TiAg Coupé >> full tracktool conversion @m346gt
2000 986 Boxster S >> ice cream getter
Past: E46 330Ci, 944S2, 996 C4S
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Originally posted by Altaran View PostThese are in the parts catalogue for the Z4 VLN car equipped with a P54B32.
These cars are also running a 316° intake cam. Not interesting for any application that is less than 100% race...
Although the design is true equal length between both banks, which makes it kind of intriguing...
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Originally posted by cornerbalanced View Post
Exactly the info I was hoping for! Sounds so good. P54B32 in a street E46 (completely impractical & unnecessary) is endgame for me.
There is someone in Michigan or near the Great lakes that makes duplicates of these for 1/4 of the price.
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Instead on getting these or a replica, there's still the Achilles headers as an option. They are also true equal length, so they should provide a similar sound. As a plus for street friendly builds they do have a step in them.
I have searched for sound videos several times, unfortunately I didn't find any.
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2002 E46 M3 TiAg Coupé >> full tracktool conversion @m346gt
2000 986 Boxster S >> ice cream getter
Past: E46 330Ci, 944S2, 996 C4S
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Originally posted by Cronenberged View Post
Especially in the impractical car you're considering 😜
There is someone in Michigan or near the Great lakes that makes duplicates of these for 1/4 of the price.
Originally posted by Altaran View PostInstead on getting these or a replica, there's still the Achilles headers as an option. They are also true equal length, so they should provide a similar sound. As a plus for street friendly builds they do have a step in them.
I have searched for sound videos several times, unfortunately I didn't find any.
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Originally posted by BBRTuning View PostI contacted Achilles about these, they actually have a fab shop local to them build the headers. He told me the car needs to be brought to the shop and the headers are custom-fabbed to the car, including the rest of the exhaust system if needed etc. They didn't seem to have an off-the-shelf option available. I'm still considering it as I don't think the design of the SSV1s I have now are all that great, plus as mentioned they are not fully equal length.
On the bright side: being custom fabbed, they can make em to fit your SS V1 Section 1 connections.
The only other name that pops my head for true equal length headers is Kromer Kraft. But I don't know if they are still around...
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2002 E46 M3 TiAg Coupé >> full tracktool conversion @m346gt
2000 986 Boxster S >> ice cream getter
Past: E46 330Ci, 944S2, 996 C4S
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Originally posted by Anri View Post
Hi,
Sound good but few of your parts
are pointless..which will not bring you
food on the table for not all out S54
I have measured personally the cams
288 Schrick, CatCams and have some very
valuable data...and concept.
Common mistake is people load the engine
with tons of performance and not necessary parts
for hot rodded street engine.
Please get rid of the Internet-Myth of deleting the Vanos
using larger cams!!! It's a myth again and again!!!!!
The Vanos is deleted for absolutely other
reasons!
When I spent tons of time and money to flow
parts I certainly operate with different concept
ones I got the data in my hands.
Regards,
Anri
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Originally posted by BMWfanz View Postneed advice for exhaust
other headers will not work but for your stock engine CR and Head
these will work great. On top the fitment is a breeze also the Euro
headers with OEM very clever design flanges are lighter weight compared
to every aftermarket header/s
Originally posted by BMWfanz View PostWill stock injectors supply this setup or i need bigger ones?
I personally have never been fan of keeping the stock injectors as most do but
its additional cost when do this combo.
On 2 S54s with the same combo shortly after being tuned I had 1 injector fail on
both cars by doing hydro lock...cost me to open the oil pan and inspect the rod
bearing looked like new (still replaced with new).
If budget allows 100% replace them if not they still going to deliver the final
results but expect failure for sure...
Regards
AnriLast edited by Anri; 01-17-2024, 09:53 AM.
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Originally posted by Anri View Post
Your Euro headers will work wonderful for this combo not saying that
other headers will not work but for your stock engine CR and Head
these will work great. On top the fitment is a breeze also the Euro
headers with OEM very clever design flanges are lighter weight compared
to every aftermarket header/s
Stock injectors are designed for 333hp SAE crank we all make 340-347RWHP
I personally have never been fan of keeping the stock injectors as most do but
its additional cost when do this combo.
On 2 S54s with the same combo shortly after being tuned I had 1 injector fail on
both cars by doing hydro lock...cost me to open the oil pan and inspect the rod
bearing looked like new (still replaced with new).
If budget allows 100% replace them if not they still going to deliver the final
results but expect failure for sure...
Regards
Anri
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