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      06-22-2015, 08:37 PM   #1
Stuart@BMRAutowerkes
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:: BMR Autowerkes :: 335i w/ Innotech Performance Exhaust

Just sharing a build of a F30 335i we completed recently.
Innotech Performance Exhaust (or IPE for short) is a leading exhaust manufaturer renowned for their use of 'valvetronic' technology as standard on all their exhausts.
This means you get a nifty little remote control with an "on" button for maximum noise, an "off" button for comfortable cruising and the intelligent "auto" mode that will open the valves at a user defined RPM level.
The valves are vacuum operated (as opposed to electric) which means they respond extremely quickly to the button being pressed. Other valvetronic systems may use an electric system which means you have to hold the button down until it is fully opened or fully closed.
Overall the system is of extremely high quality and will offer you the best of both worlds - a quiet drone free exhaust for when you want it and a glorious soundtrack to accopmany you on spirited drives.

Mods
Tune: JB4
Intake: BMR Tuning CAI
Chargepipe: BMR Tuning Chargepipe
Downpipe: Evolution Racewerks High Flow Cat Downpipe
Exhaust: IPE Valvetronic Exhaust w/ Quad "Diamond Black" Tips

Dyno
Will post up shortly, can't find it right now.
IIRC stock it made 185rwkw, tune only 225rwkw and all of the above mods 239rwkw. I would've liked to see 250rwkw so will do some tweaking in the future.







How does it sound? Have a listen!
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      06-22-2015, 10:22 PM   #2
rednose
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Nice quality work there boys, very nice build.

What is needed to get to around 270-280rwks?
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      06-22-2015, 11:50 PM   #3
Stuart@BMRAutowerkes
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Quote:
Originally Posted by rednose View Post
Nice quality work there boys, very nice build.

What is needed to get to around 270-280rwks?
Meth injection or a bit of E85 will see the 335i's N55 engine reach 270rwkw.
Would also need an intercooler.

The owner of the above car is contemplating a big turbo upgrade so if he goes ahead with that we'd see 330-350rwkw.
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      06-23-2015, 07:11 AM   #4
rednose
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Could these cars take 70% ethanol?

What upgrades would be needed?
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      06-23-2015, 09:19 AM   #5
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Hi Stu I just can't get over the fake pipe. I mean it looks great but it's fake. Is it that much extra to run real quad pipes?
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      06-24-2015, 02:19 AM   #6
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Quote:
Originally Posted by rednose View Post
Could these cars take 70% ethanol?

What upgrades would be needed?
30% E85 is the most we have run so far on the N55 motor with stock components.
We have tried 50% E85 with an upgraded low pressure fuel pump with some success but some driveability issues so there are kinks to be worked out there.
Not sure what is needed to run 70% just yet!
One of the hindering factors is the lack of a 'back end flash' to increase the fuelling. A potential way around this is to do a flash tune that only takes care of fuelling and AFRs and leave the JB4 to target boost but we are yet to experiment with this on the N55s (got it down pat on the N54s though so hopefully just a matter of time )

Quote:
Originally Posted by theblackcat View Post
Hi Stu I just can't get over the fake pipe. I mean it looks great but it's fake. Is it that much extra to run real quad pipes?
Tip isn't exactly fake per se - it definitely receives exhaust flow and there is a channel there to make sure the inner tip receives approx 50% exhaust flow.
There are also space limitations that necessitate this, see pic below, it gets real close to the diffusers mounting point.


Last edited by Stuart@BMRAutowerkes; 06-24-2015 at 02:24 AM..
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      06-24-2015, 05:00 AM   #7
rednose
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Quote:
Originally Posted by Stuart@BMRAutowerkes View Post

Tip isn't exactly fake per se - it definitely receives exhaust flow and there is a channel there to make sure the inner tip receives approx 50% exhaust flow.
There are also space limitations that necessitate this, see pic below, it gets real close to the diffusers mounting point.

Will one of those tips fit the 328 Stuart?
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      06-24-2015, 06:15 AM   #8
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ok I can see it now with the other pic you posted. The first one at the angle that it was taken looks like the second tip was tacked on. My mistake.
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      06-24-2015, 06:39 AM   #9
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The iPE's sounds great especially the crackles & pops I wish the 328i sounded more like this. Impressive fit & finish by iPE as always
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      06-24-2015, 09:31 PM   #10
Stuart@BMRAutowerkes
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Quote:
Originally Posted by rednose View Post
Will one of those tips fit the 328 Stuart?
Yes behind the rear bumper the 328 & 335 are v similar so these tips would suit the 328 no problems.

Quote:
Originally Posted by theblackcat View Post
ok I can see it now with the other pic you posted. The first one at the angle that it was taken looks like the second tip was tacked on. My mistake.
All good, the first pic was misleading
I personally hate fake tips aswell lol.
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