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Forced Induction Forum Sponsored by Active Autowerke
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Old 09-30-2013, 11:23 AM   #161
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Why do I read or hear about SO MANY folks having problems with AA setups?
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Old 10-01-2013, 01:07 PM   #162
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Probably because most people are incompetent when it comes to working on vehicles, let alone installing a supercharger...
I have had AA stage 1 installed for 2 years and installed stage 2 over last winter with no problems related to the supercharger setup. I also have 170K miles.
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Old 10-03-2013, 09:00 AM   #163
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Why do I read or hear about SO MANY folks having problems with AA setups?
There is only handful of people who have problems, but we do our best to help and diagnose the issue and get it resolved.

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Probably because most people are incompetent when it comes to working on vehicles, let alone installing a supercharger...
I have had AA stage 1 installed for 2 years and installed stage 2 over last winter with no problems related to the supercharger setup. I also have 170K miles.
+1 and right on brotha hopefully I can see another post from you at the 200k marker with your E46
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Old 10-06-2013, 03:04 PM   #164
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This build is an inspiration for all non-m owners looking to boost with high HP in consideration (Myself included especially since we have the same engine. BUT I'm still scared of the 'Rising cylinder head' issues, especially if the threads in the block get ripped out. Is this something that happens way to often? Or am I just being paranoid.
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Old 10-07-2013, 10:20 AM   #165
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This build is an inspiration for all non-m owners looking to boost with high HP in consideration (Myself included especially since we have the same engine. BUT I'm still scared of the 'Rising cylinder head' issues, especially if the threads in the block get ripped out. Is this something that happens way to often? Or am I just being paranoid.
I deal with these cars day in and day out and the issue your bringing up about the "Rising Cylinder Head" is a rare case and only a handful cars have that issue. With the correct maintenance these motors are builtproof and you can enter the 200,000+ mileage marker.
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Old 10-07-2013, 05:17 PM   #166
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It sounds like the biggest problem with AA on these E46 kits - running lean and then good luck getting after sales support
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Old 10-07-2013, 09:51 PM   #167
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I deal with these cars day in and day out and the issue your bringing up about the "Rising Cylinder Head" is a rare case and only a handful cars have that issue. With the correct maintenance these motors are builtproof and you can enter the 200,000+ mileage marker.
I'm a noob with boost. But doesn't this happen when somebody tries to turn up the psi with stock compression? Would lowering the compression reduce the risk for this to happen?
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Old 10-07-2013, 09:54 PM   #168
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Also. Is there a way to mount an oil cooler on the M52TU?
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Old 10-07-2013, 10:40 PM   #169
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Head lift can be caused by many things. Stretching head bolts or pulling bolts out of block and detonation are some of the main causes.
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Old 10-07-2013, 11:36 PM   #170
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Head lift can be caused by many things. Stretching head bolts or pulling bolts out of block and detonation are some of the main causes.
What I don't want is to put ARP Head bolts in and rip the block threads out. It there a way to make that risk less viable?
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Old 10-08-2013, 06:30 AM   #171
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What boost do you have now? 10-11PSI?



Ok. i have found it AA stage 2.5 running 12 PSI, intercoolee, Rotrex blower and oil cooler, Bimmerbrakes headers, AEM stage 2 meth injection kit, and ProSport gauges. Installed and custom fabrication by RRT.

350WHP - the expected power.

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Old 10-08-2013, 11:54 AM   #172
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It sounds like the biggest problem with AA on these E46 kits - running lean and then good luck getting after sales support
We try and resolve all issues with any of products and do not leave our customers without any support.

Quote:
Originally Posted by RockLee View Post
I'm a noob with boost. But doesn't this happen when somebody tries to turn up the psi with stock compression? Would lowering the compression reduce the risk for this to happen?
If you get too greedy and turn the boost up way to much you risk the possibility of blowing your motor with any vehicle. Yes, you can build the motor with low compression and forged pistons and run higher boost for a safer set up.

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Also. Is there a way to mount an oil cooler on the M52TU?
Are you referring to an additional oil cooler other than factory or F/I System Oil Cooler?

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What I don't want is to put ARP Head bolts in and rip the block threads out. It there a way to make that risk less viable?
If your putting ARP Headbolts and your looking to reduce the risk factor I would recommend building the motor with low compression forged piston and then crank up the boost.


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What boost do you have now? 10-11PSI?



Ok. i have found it AA stage 2.5 running 12 PSI, intercoolee, Rotrex blower and oil cooler, Bimmerbrakes headers, AEM stage 2 meth injection kit, and ProSport gauges. Installed and custom fabrication by RRT.

350WHP - the expected power.
And you still want more power
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Old 10-08-2013, 03:10 PM   #173
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Eah,I think 14psi is the max for stock engine )
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Old 10-08-2013, 08:04 PM   #174
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I have a buddy that runs 20psi on a mild low comp hg with arp studs on an otherwise stock m50. This is turbo setup though. Runs 15psi daily and is safely able to run a little more than 20psi.
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Old 10-08-2013, 08:12 PM   #175
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We try and resolve all issues with any of products and do not leave our customers without any support.

Last I heard Chase was still driving around with his car very lean at WOT up top of the RPM range. If you have the ability to do road tuning like you mentioned earlier in this thread and can update on the fly, why wouldn't the tune be made more safe up top of the RPM range until he could get back for a proper dyno tune session ?
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Old 10-08-2013, 09:40 PM   #176
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Are you referring to an additional oil cooler other than factory or F/I System Oil Cooler?

I'm referring to an engine oil cooler. Does the M52TU Come with a factory oil cooler? Does it even need one? (Or a bigger one?) I would like the car to participate in some track events in the future with FI. Is this viable?

Turner motorsport sells a BMW Motorsport Oil filter housing.

http://www.turnermotorsport.com/p-10...r-housing.aspx

HOWEVER This cannot be used with the stock engine computer because it deletes the oil temp sensor used for VANOS control. Is there a way to move the sensor somewhere else?
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Old 10-09-2013, 05:11 AM   #177
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It is absolutely possible to use s54 engine oil cooling system. I use it on my car.
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Old 10-10-2013, 11:12 AM   #178
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Eah,I think 14psi is the max for stock engine )
Your pushing that Rotrex to the Limit

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Originally Posted by TnT817 View Post
I have a buddy that runs 20psi on a mild low comp hg with arp studs on an otherwise stock m50. This is turbo setup though. Runs 15psi daily and is safely able to run a little more than 20psi.
The M50 motor is an Iron Block so it can handle more boost with than the M54 aluminum block.

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Last I heard Chase was still driving around with his car very lean at WOT up top of the RPM range. If you have the ability to do road tuning like you mentioned earlier in this thread and can update on the fly, why wouldn't the tune be made more safe up top of the RPM range until he could get back for a proper dyno tune session ?
He hasn't contact me with an update recently but he was suppose to contact Frank at TUNING TECH FS to schedule an appointment to get tuned. You can do datalogging on the road but the speeds you would have to travel would violate some of the local speed limits and would not want our customer to risk getting tickets. That is why we recommend get the car to a shop with a dyno to have the tune calibrated properly.

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I'm referring to an engine oil cooler. Does the M52TU Come with a factory oil cooler? Does it even need one? (Or a bigger one?) I would like the car to participate in some track events in the future with FI. Is this viable?

Turner motorsport sells a BMW Motorsport Oil filter housing.

http://www.turnermotorsport.com/p-10...r-housing.aspx

HOWEVER This cannot be used with the stock engine computer because it deletes the oil temp sensor used for VANOS control. Is there a way to move the sensor somewhere else?
Yes, the M52TU does come with a factory oil cooler, if you are keeping the stock then the factory one is sufficient. If you are tracking the vehicle I would recommend upgrading the oil cooler system especially if your going the F/I route with track sessions.

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It is absolutely possible to use s54 engine oil cooling system. I use it on my car.
I have seen this setup before works well.
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Old 11-20-2013, 11:00 AM   #179
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so what is going on with this?
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Old 12-04-2013, 04:53 PM   #180
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