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Old 07-25-2019, 07:53 PM
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Forced Induction

Does anyone run and sort of forced induction on the 3.0? That being either turbocharged or supercharged. And if you did what was the mileage on your internals at the time? Thinking about turboing the engine, but want to see if it has been done, and also trying not to crack my engine block
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Old 07-26-2019, 10:08 AM
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Curious as well. Sub'd.
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Old 07-26-2019, 10:11 AM
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There are kits for the M54 for the sedan I've not found for the X5. Not sure what modification needed but the big problem is I believe the DME must be reprogrammed. The kit comes with new valve gaskets so that seems to be the weak link not the block.


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Old 07-26-2019, 10:38 AM
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If you buy any kit for the sedan example E46 330. should work on the X5 and the ECM is the same so the software that comes with the kit should work
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Old 07-26-2019, 02:09 PM
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If you purchase a kit for a sedan the tubing and mounting hardware may not work without modification on an X5.
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Old 07-26-2019, 05:39 PM
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Forced Induction

Also there might not be the physical volume to fit the kit. A call would be in order to one of the kit makers


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Old 08-02-2019, 12:42 AM
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Yeah yeah yeah. You can find all the stuff you need for tuning on e46fanatics.com. The big problems are these: the stock compression ratio on m54 is high already, and even though it's a big vehicle, it's surprisingly difficult to find a place to put one big turbine with a reasonable header on the left side of the engine. The sedans put them right up front left of the engine, but e53 isn't setup the same way and there's a lot of moving things you have to do. The AC is in the way, which is annoying. The other way is to hang a turbo off a bottom mount manifold, but you have to do the wacky engine mount thing. Every one of those I've seen on e46 just barely clears the framer ail on a 2.5" or so charge pipe.


It can be done, but it's not easy. ITs my opinion that you have to intercool, and routing is tough with the size pipe you probably need in order to not choke the motor at higher rpm.



You switch to some bigger injectors, get a walbro, tune it up and there you are. You should be able to gravity drain oil for the turbo unless you hang it too low.


I don't think I'd bother with a blower. Those kits haven't gotten any cheaper despite depreciation on e53s. I'd still want intercool because of the compression ratio. The serious e46 people build motor for boost with lower compression pistons (which are available for m54), timesert the head bolts to something slightly biggger, and if you wanted to save yourself some leaks, go to the m56 valve cover and eliminate the stupid ccv.



Oh yeah one other thing. M54 doesn't spin very high, if for no other reason than the oil pump nut will back off if you spend too much time close to redline. Or the pump shafts will shear. Something about not tensioner on the pump chain and bad harmonics..mi forget exactly. e46fanatics.com. Don't expect s54 results. The valve train, oiling and intake are all built for high rpm on the 3.2l.
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Old 08-04-2019, 11:08 PM
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Quote:
Originally Posted by lkv0315 View Post
Does anyone run and sort of forced induction on the 3.0? That being either turbocharged or supercharged. And if you did what was the mileage on your internals at the time? Thinking about turboing the engine, but want to see if it has been done, and also trying not to crack my engine block
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Old 08-06-2019, 02:17 AM
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Forced Induction

Yeah I do. 10lbs of boost. Mileage was 75000.

Last edited by Happy; 08-06-2019 at 02:57 AM.
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Old 08-06-2019, 11:23 AM
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.1 decrease 0-60 time = $1000 & DIY
 
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Quote:
Originally Posted by Happy View Post
Yeah I do. 10lbs of boost. Mileage was 75000.
What year and model? Good idea to add to your signature for the future.
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