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Old 06-02-2019, 04:42 AM   #1
Mr.Diablo
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Join Date: May 2019
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Hello E46 owners. This is my 2nd post on this forum. I was thinking about modifying my ZHP a little bit. I wanted to have some suggestions from you guys and turn this car into a monster. If you guys want to see pictures and videos from my car follow me on Instagram. My Instagram is: @mr.diablo.official and dm me your suggestions. I would really appreciate it guys.

Thank you very much


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Old 06-02-2019, 10:49 AM   #2
HayWagon
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Location: Collingwood Ontario
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My Ride: 03 325iT
Well.. What are your goals?
Weekend track toy? Daily?
Horsepower target? Budget?

I usually suggest tires first (after maintinace of course). Nothing else matters if you can't get traction.

Then some aftermarket coils and dampeners. Throw in new bushings, the factory originals are likely well past their prime. Maybe swaybars?

After the suspension is sorted, catless headers for a 8-14ish hp gain.

Headers are about all you can do to easily squeeze more power out of an M54. Beyond that, it's forced induction or engine swap... Which will cost more than the value of the car.

To turn an e46 into a monster requires deep pockets.

Sent from my tractor.

Last edited by HayWagon; 06-02-2019 at 10:56 AM.
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Old 06-02-2019, 12:26 PM   #3
Mr.Diablo
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Quote:
Originally Posted by HayWagon View Post
Well.. What are your goals?
Weekend track toy? Daily?
Horsepower target? Budget?

I usually suggest tires first (after maintinace of course). Nothing else matters if you can't get traction.

Then some aftermarket coils and dampeners. Throw in new bushings, the factory originals are likely well past their prime. Maybe swaybars?

After the suspension is sorted, catless headers for a 8-14ish hp gain.

Headers are about all you can do to easily squeeze more power out of an M54. Beyond that, it's forced induction or engine swap... Which will cost more than the value of the car.

To turn an e46 into a monster requires deep pockets.

Sent from my tractor.


Hey @haywagon. My goal is daily. Something thatís fully functional and powerful at the same time.


Sent from my iPhone using E46Fanatics mobile app

Last edited by Mr.Diablo; 06-02-2019 at 12:26 PM.
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Old 06-02-2019, 01:24 PM   #4
HayWagon
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Join Date: Jun 2017
Location: Collingwood Ontario
Posts: 1,174
My Ride: 03 325iT
Quote:
Originally Posted by Mr.Diablo View Post
Hey @haywagon. My goal is daily. Something thatís fully functional and powerful at the same time.


Sent from my iPhone using E46Fanatics mobile app
Ok, so first off would be a cooling system refresh if it hasn't been done recently and make any existing issues are fixed.
I would be checking/replace your suspension bushings, no point in trying to get more performance if suspension bits are flopping around.

Once thats all done, you can get into getting more performance. I'd suggest the following. Good set of performance tires, akebono brake pads, aftermarket shocks with a mild lowering spring, swap in a 3.46 differential and catless headers. But being in CA, don't know if catless headers will work for you. They are about the only bolt on mod which will increase power noticeably.

That is about all I'd do to a daily.

You really can't make these cars "powerful" without a turbo, super charger or and engine swap.
These are slow cars. But can be fun.

Sent from my tractor.

Last edited by HayWagon; 06-02-2019 at 01:25 PM.
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Old 06-02-2019, 01:45 PM   #5
Mr.Diablo
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Posts: 8
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Originally Posted by HayWagon View Post
Ok, so first off would be a cooling system refresh if it hasn't been done recently and make any existing issues are fixed.
I would be checking/replace your suspension bushings, no point in trying to get more performance if suspension bits are flopping around.

Once thats all done, you can get into getting more performance. I'd suggest the following. Good set of performance tires, akebono brake pads, aftermarket shocks with a mild lowering spring, swap in a 3.46 differential and catless headers. But being in CA, don't know if catless headers will work for you. They are about the only bolt on mod which will increase power noticeably.

That is about all I'd do to a daily.

You really can't make these cars "powerful" without a turbo, super charger or and engine swap.
These are slow cars. But can be fun.

Sent from my tractor.


Correct me if Iím wrong @haywagon please. So I was thinking about a nice all season tires, 4 piston brembo break kit, gran control coil overs, a nice lip and maybe headers.


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Old 06-02-2019, 02:06 PM   #6
HayWagon
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Location: Collingwood Ontario
Posts: 1,174
My Ride: 03 325iT
Get some good performance summer tires. For example, I just picked up a set of Firestone indy 500s. Good tire for cheap.
All seasons sacrifice grip for usability in snow. So if you don't have to deal with snow or low tenperatures, skip it.

I wouldn't do the big brake kit for now. Not worth it unless you are on the track or your tires have maxed out the brakes. Tires are usually the limiting factor in braking. A big brake kit is to manage heat from hard track use, not to necessarily shorten stopping distancs. The money can be much better spent on suspension components.

Coil overs aren't a must. For a street car some sport springs and shocks can be plenty. Just enough drop to improve performance. Slamming a car will result in poor performance.

Sent from my tractor.
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Old 06-03-2019, 01:00 AM   #7
Mr.Diablo
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Originally Posted by HayWagon View Post
Get some good performance summer tires. For example, I just picked up a set of Firestone indy 500s. Good tire for cheap.
All seasons sacrifice grip for usability in snow. So if you don't have to deal with snow or low tenperatures, skip it.

I wouldn't do the big brake kit for now. Not worth it unless you are on the track or your tires have maxed out the brakes. Tires are usually the limiting factor in braking. A big brake kit is to manage heat from hard track use, not to necessarily shorten stopping distancs. The money can be much better spent on suspension components.

Coil overs aren't a must. For a street car some sport springs and shocks can be plenty. Just enough drop to improve performance. Slamming a car will result in poor performance.

Sent from my tractor.


There are a lot of suspension brands. Which brand do you think is the best for a street use?


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Old 06-03-2019, 09:00 AM   #8
HayWagon
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Location: Collingwood Ontario
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Originally Posted by Mr.Diablo View Post
There are a lot of suspension brands. Which brand do you think is the best for a street use?


Sent from my iPhone using E46Fanatics mobile app
You will need to research which setup will work best for you.
I'll be running H&R sport springs and dampeners on my fairly modified street car. I'm not a huge fan of coilovers on a daily.
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Old 06-03-2019, 12:01 PM   #9
Mr.Diablo
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Originally Posted by HayWagon View Post
You will need to research which setup will work best for you.

I'll be running H&R sport springs and dampeners on my fairly modified street car. I'm not a huge fan of coilovers on a daily.


Oh ok. Whatís your opinion on a lip?


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Old 06-03-2019, 12:46 PM   #10
HayWagon
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Oh ok. Whatís your opinion on a lip?


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What ever you think looks good.

Sent from my tractor.
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Old 06-03-2019, 12:50 PM   #11
Mr.Diablo
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What ever you think looks good.

Sent from my tractor.


Ok thank you very much @haywagon. Make sure you follow me on Instagram as well


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