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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > New to tuning: custom tune by shop or do it myself?



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      01-16-2021, 11:22 AM   #111
fgpalmer71
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To the OP....Gregrobin, let me know what you think of stage 1 when your done. I skipped it, but with what your stated goals are, if you have the wherewithal to stay away from the "mod bug" your going to be over the moon my friend. I'm soooooo glad I went with my e93 and skipped the Corvette convertible right now!!!
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      01-16-2021, 04:34 PM   #112
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Quote:
Originally Posted by fgpalmer71 View Post
It didn't end up snowing. It got down to 35 degrees and stayed rain.

I had some issues, self inflicted, but got it tuned last night. Stage 1+. I intended to flash stage 1 first and then stage 1+ today so I could give the OP my impressions.....skipped that.

Holy shit. It's the same car......until about 3k rpm. It's a damn weapon. I love this thing.
Haha! Your going to need a lot of self control to stop yourself from the mod bug,

Stage 1+ with the FMIC is a brilliant daily in my opinion though.
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      01-17-2021, 12:10 PM   #113
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It was warm here today (45 degrees) so I decided to tackle the DCIs myself. Not a difficult job except for that back hose clamp and the hose from the kit for the back hose feels too short to me. I only dropped 1 screw driver and one ratchet extension down into the engine bay, somewhere...guess I will find them later

I noticed the T fitting on the vacuum line that you have to remove/reinstall was broken (before me) as well as a missing nut on the intake manifold (before me). I put my thumb over both ends of the vacuum connection with the engine running and did not notice a difference. Should I replace this? How can I find a replacement for that nut?

Now that I see how much more room there is in there with the box gone I may tackle the charge pipe myself.
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      01-17-2021, 12:11 PM   #114
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Originally Posted by fgpalmer71 View Post
To the OP....Gregrobin, let me know what you think of stage 1 when your done. I skipped it, but with what your stated goals are, if you have the wherewithal to stay away from the "mod bug" your going to be over the moon my friend. I'm soooooo glad I went with my e93 and skipped the Corvette convertible right now!!!
Will do, I am Greg BTW.

I was looking at vettes before my purchase as well. Felt to plasticy, clunky and cheap to me having owned 3 BMWs prior.
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      01-17-2021, 12:38 PM   #115
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Quote:
Originally Posted by Gregrobin View Post
It was warm here today (45 degrees) so I decided to tackle the DCIs myself. Not a difficult job except for that back hose clamp and the hose from the kit for the back hose feels too short to me. I only dropped 1 screw driver and one ratchet extension down into the engine bay, somewhere...guess I will find them later

I noticed the T fitting on the vacuum line that you have to remove/reinstall was broken (before me) as well as a missing nut on the intake manifold (before me). I put my thumb over both ends of the vacuum connection with the engine running and did not notice a difference. Should I replace this? How can I find a replacement for that nut?

Now that I see how much more room there is in there with the box gone I may tackle the charge pipe myself.
Oof you'll need to replace that vac hose/fitting. The missing nut is an issue but that broken connection means you have no boost
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      01-17-2021, 12:45 PM   #116
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Originally Posted by Gregrobin View Post
Will do, I am Greg BTW.

I was looking at vettes before my purchase as well. Felt to plasticy, clunky and cheap to me having owned 3 BMWs prior.
I've always wanted a 1996 Corvette convertible.....silver with red interior. Until I drove a few. Never considered the e93 and was unaware of the potential. My family has always been into German cars, BMW in particular. A cousin told me to check them out, an old friend from a Mazda forum started Twizted Tuning, reached out, researched and was hooked!
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      01-17-2021, 12:45 PM   #117
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Oof you'll need to replace that vac hose/fitting. The missing nut is an issue but that broken connection means you have no boost
Crap, what's the part so I can order it?
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      01-17-2021, 12:46 PM   #118
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And yes.....fix that T fitting ASAP. If the DCI's gave you no trouble, and they shouldn't have, the charge pipe is nothing. The hardest part for me was swapping over the sensor....took me a few tugs to remove it from the stock pipe. Really not worth mentioning.
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      01-17-2021, 12:56 PM   #119
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Side marker lamps are easy to pop off BTW. Unfortunately one of the two will not plug in so I am sending them back.

Which ones did you end up getting?
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      01-17-2021, 01:02 PM   #120
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And finally, I got the exhaust shiny and clean yesterday. After a 5 minute drive today one has a small amount of black inside of it again. Is this carbon? Do I need a walnut blast?
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      01-17-2021, 01:09 PM   #121
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Quote:
Originally Posted by fgpalmer71 View Post
And yes.....fix that T fitting ASAP. If the DCI's gave you no trouble, and they shouldn't have, the charge pipe is nothing. The hardest part for me was swapping over the sensor....took me a few tugs to remove it from the stock pipe. Really not worth mentioning.
Checking the parts websites I do not see it, any idea what it's called (the bigger one, not the small rubber one, since the plastic T fitting is cracked).

Checking the part # online tells me it's a brake booster hose: bmw 1166 7 570 497

https://www.ecstuning.com/b-genuine-...e/11667570497/
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      01-17-2021, 01:51 PM   #122
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Quote:
Originally Posted by Gregrobin View Post
Checking the parts websites I do not see it, any idea what it's called (the bigger one, not the small rubber one, since the plastic T fitting is cracked).

Checking the part # online tells me it's a brake booster hose: bmw 1166 7 570 497

https://www.ecstuning.com/b-genuine-...e/11667570497/
Is it the actual fitting that's cracked? Cuz from your pictures it looks like just the hose snapped after the end of the fitting nozzle
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      01-17-2021, 02:04 PM   #123
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Is it the actual fitting that's cracked? Cuz from your pictures it looks like just the hose snapped after the end of the fitting nozzle
Agreed. It looks to me like the nipple is intact and is covered by a piece of the broken vacuum line. If that's the case, and its the line, you should be able to just buy a bunch of vacuum hose, cut it to fit, and replace. Eventually your going to want to replace all of those vacuum hose lines with upgraded lines anyway. Stock or tuned it seems like it'll need done eventually.
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      01-17-2021, 02:23 PM   #124
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Quote:
Originally Posted by fgpalmer71 View Post
Agreed. It looks to me like the nipple is intact and is covered by a piece of the broken vacuum line. If that's the case, and its the line, you should be able to just buy a bunch of vacuum hose, cut it to fit, and replace. Eventually your going to want to replace all of those vacuum hose lines with upgraded lines anyway. Stock or tuned it seems like it'll need done eventually.
Fitting/nipple is cracked. The pic shows what's left of the hose still attached to the cracked fitting.
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      01-17-2021, 02:29 PM   #125
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Found a pic of my 2011 335i, she was sweet. No pics of the current one yet.
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      01-17-2021, 02:50 PM   #126
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Found a pic of my 2011 335i, she was sweet. No pics of the current one yet.
I'm in love with space gray.
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      01-17-2021, 02:55 PM   #127
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Side marker lamps are easy to pop off BTW. Unfortunately one of the two will not plug in so I am sending them back.

Which ones did you end up getting?
Going on my 3rd set. Originally I purchased the tinted LED's that weren't sequential. Bought them from Amazon. They fit the best, but I wanted sequential blinkers. My cousin sent me a set, #2, they're sequential and on the car now. Fitment wasn't great, had an issue with the connectors. Had to adjust the pins slightly as they were all just slightly misaligned. Driver side stopped working a few weeks after install. I ordered set #3 the other day. Should be here Tuesday.

Set #3

https://www.amazon.com/dp/B0894Q4XKY..._inkbGbNPTW61S
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      01-17-2021, 02:57 PM   #128
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Aent to Real OEM and I'm having a hard time finding a part # for that T fitting.
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      01-17-2021, 08:02 PM   #129
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Quote:
Originally Posted by fgpalmer71 View Post
Aent to Real OEM and I'm having a hard time finding a part # for that T fitting.
You can't buy the T fitting alone, it's part of the brake hose:

https://www.ecstuning.com/b-genuine-...e/11667570497/

It's a brake hose, how will this affect the turbo boost?
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      01-17-2021, 08:03 PM   #130
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Quote:
Originally Posted by fgpalmer71 View Post
I've always wanted a 1996 Corvette convertible.....silver with red interior. Until I drove a few. Never considered the e93 and was unaware of the potential. My family has always been into German cars, BMW in particular. A cousin told me to check them out, an old friend from a Mazda forum started Twizted Tuning, reached out, researched and was hooked!
I owned a white 96 corvette with the removable glass top about 15+ years ago. Fun car, 335i is more fun.
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      01-17-2021, 08:07 PM   #131
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Interesting:

https://www.e90post.com/forums/showthread.php?t=1406884

I do have a hard brake, just assumed it was the way it was supposed to feel on the 2008

and this:

"The small line that tee's off controls the the exhaust flap. I've disconnected mine and just have a vacuum cap on the tee.

Going to reroute the booster line soon. Its annoying to remove anytime I need to service air filters or remove charge pipe. Thanks to the OP for the info."

and than this:

https://www.e90post.com/forums/showthread.php?t=969547

Mine is loud on a cold start and gurgles when letting off of the gas when slowing down.

Last edited by Gregrobin; 01-17-2021 at 08:16 PM..
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      01-18-2021, 10:31 AM   #132
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I was able to save enough of the T fitting to reconnect the exhaust flap vacuum hose.

My brake pedal is softer now, and I no longer have exhaust burbles when letting up on the gas pedal. I liked the burbles, may plug that line up.

Who knew? :-)
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