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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 > What year 335 (n54) has upgraded turbos/hpfp, if any?



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      02-05-2017, 02:07 PM   #1
n55jb4
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What year 335 (n54) has upgraded turbos/hpfp, if any?

Did BMW upgraded turbos and hpfp in later years 09-10 to address wastegate issue and hpfp failure? I'm thinking nothing was done really and it's only in n55 that something was upgraded - am I correct?
The reason I ask is to decide if chasing after 09-10 335 is worth trouble or earlier years 07-08 are exactly same anyway (except LCI exterior changes)
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      02-06-2017, 12:10 PM   #2
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Originally Posted by n55jb4 View Post
Did BMW upgraded turbos and hpfp in later years 09-10 to address wastegate issue and hpfp failure? I'm thinking nothing was done really and it's only in n55 that something was upgraded - am I correct?
The reason I ask is to decide if chasing after 09-10 335 is worth trouble or earlier years 07-08 are exactly same anyway (except LCI exterior changes)
No. I have a 2010 and they did the HPFP under recall. I haven't had any issues with the turbos yet, but I believe BMW has an extended warranty on those for certain years.
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      02-06-2017, 12:18 PM   #3
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Originally Posted by Bimmer 808 View Post
No. I have a 2010 and they did the HPFP under recall. I haven't had any issues with the turbos yet, but I believe BMW has an extended warranty on those for certain years.
What's your mileage if you don't mind me asking? Just trying to figure out average life of turbos. I've heard they go bad at around 150K miles, not sure if that's true?
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      02-06-2017, 12:32 PM   #4
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I believe 09 & up (n54) had upgraded (thicker) waste-gate actuator arms.
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      02-06-2017, 12:45 PM   #5
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What's your mileage if you don't mind me asking? Just trying to figure out average life of turbos. I've heard they go bad at around 150K miles, not sure if that's true?
I'm at 64,000. Been tuned since 2013, but I made sure to upgrade everything around the engine and turbos first to safely make more power.

I don't know of any turbos lasting to 150K, don't think there are a lot of N54s out there yet with that many miles, at least the 2009-10 cars. I'm guessing everyone will have to replace turbos eventually. I'm in the market now, waiting to see what Frankenturbo comes up with before I pull the trigger.
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      02-23-2017, 11:38 AM   #6
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Yeah Im sitting at 106k and as far as mods go and everything they are my weak link holding me back. Turbo rattle is slightly audible sitting still, in the garage, with slight throttle blips.
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      02-23-2017, 12:25 PM   #7
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FWIW my '07 is at 130k, and it's still on the original turbos, hpfp, and lpfp. Tuned for the last 25-30k; first Cobb, now MHD.

The turbos still make decent power, but they rattle like hell when decelerating. I have their replacements sitting in the garage waiting for install. Along with a suspension refresh, and replacements for both fuel pumps.

But to their credit, none of THOSE parts have entirely failed on mine yet. Honestly the worn out suspension bushings annoy me the most.
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      02-23-2017, 12:41 PM   #8
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BMW just warrentied the Turbo's a little longer and did a mass recall on HPFP's and some injectors. If you had a wastegate issue, BMW replaced them. I dont know if the new turbos they replaced the old ones with were an upgrade with better wastegates. My guess would be yes. Mitsubishi makes the OEM turbo's. 99.9% of all HPFP's were replaced several years back. So, any HPFP concern is moot. Some cars had this process done several times until BMW finally got it right.

tuning a car and tracking it, will absolutely wear out parts like injectors, coils, spark plugs and turbos at twice the rate of a non-tuned daily driver.
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      02-24-2017, 12:54 PM   #9
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Quote:
Originally Posted by Bimmer 808 View Post
I'm at 64,000. Been tuned since 2013, but I made sure to upgrade everything around the engine and turbos first to safely make more power.

I don't know of any turbos lasting to 150K, don't think there are a lot of N54s out there yet with that many miles, at least the 2009-10 cars. I'm guessing everyone will have to replace turbos eventually. I'm in the market now, waiting to see what Frankenturbo comes up with before I pull the trigger.
The turbos on my 07 335i with ~150k miles were about the only thing I didn't have to replace before I sold it, and I drove it thoroughly. I did have the wastegate rattle initially but after I put the JB4 on at around 40k miles I never had the wastegate rattle again. Ah, just remembered, I also didn't have any of the fuel injector issues others had.
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      02-24-2017, 01:02 PM   #10
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I am sitting at 130,000 on my 07 335i no issues with turbos,knock on wood
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      02-24-2017, 01:51 PM   #11
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The 06 and 07 had turbos with smaller shaft. Wastregates are the same. At least that was the paper work from BMW said when they replaced the turbos. It said that they had failed although they had the upgraded bigger shaft. I could scan the document and posted here. Regarding HPFP I would not know but think they are all the same.
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      02-24-2017, 04:08 PM   #12
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      02-24-2017, 04:37 PM   #13
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Quote:
Originally Posted by feuer View Post
The 06 and 07 had turbos with smaller shaft. Wastregates are the same. At least that was the paper work from BMW said when they replaced the turbos. It said that they had failed although they had the upgraded bigger shaft. I could scan the document and posted here. Regarding HPFP I would not know but think they are all the same.
Explains why u slower than most, as u have a smaller shaft
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      02-24-2017, 05:08 PM   #14
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Quote:
Originally Posted by austin View Post
FWIW my '07 is at 130k, and it's still on the original turbos, hpfp, and lpfp. Tuned for the last 25-30k; first Cobb, now MHD.

The turbos still make decent power, but they rattle like hell when decelerating. I have their replacements sitting in the garage waiting for install. Along with a suspension refresh, and replacements for both fuel pumps.

But to their credit, none of THOSE parts have entirely failed on mine yet. Honestly the worn out suspension bushings annoy me the most.
Sorry I don't mean to threadjack but you're one of the only persons I've seen on this forum who has jumped from Cobb to MHD (something I'm about to do too) but I wanted to ask 2 questions:

1. Did you keep your Cobb, if so, are you going to do a BEF with it?

2. How much of a difference in power between the two or is it just more linear with the MHD?
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      02-24-2017, 05:26 PM   #15
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Quote:
Originally Posted by mojobmw_e90 View Post
Explains why u slower than most, as u have a smaller shaft
Best way to rebuke is to give you complementary FEF
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      02-25-2017, 02:48 AM   #16
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Quote:
Originally Posted by BKBMW335I View Post
Sorry I don't mean to threadjack but you're one of the only persons I've seen on this forum who has jumped from Cobb to MHD (something I'm about to do too) but I wanted to ask 2 questions:

1. Did you keep your Cobb, if so, are you going to do a BEF with it?


2. How much of a difference in power between the two or is it just more linear with the MHD?
I sold the Cobb shortly after MHD came out because I wanted to switch to a tuning solution with more support for the platform. Also, since MHD was gaining popularity, I expected that the value of my AP2 would start falling. So, it seemed like a good time to switch.

Never had the car on the dyno, or at the strip. The last tunes on both were stage 1+ and they feel similar. However, I haven't had the shift bog I had with the Cobb. Once I swap out my tired fuel pumps and turbos I'll squeeze it, but it's fun just with the stage 1 tune for now.

I do feel that the car runs a little smoother on MHD than with the Cobb, but tbh I never had an issue with either. The AP2 served me well while I had it.
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      02-26-2017, 07:14 AM   #17
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I ran a JB3 early on in my 2010 E92. Switched to a JB4 in 2013, and fried one of the turbos, due to overboost? Switched to a Dinan stage 2 in 2014, and had to replace both turbochargers about a year and a half ago. Running FBO now.

I was going to sell the car, but decided to keep her due to low resale. Kinda wish I had upgraded to turbos last time, but I am still on the stock turbos. I may pull the plug on upgraded snails down the line, but time will tell. I have had to replace a lot of peripherals, but the moter is strong with 88,000 miles on it. I have been very anal on upkeep and maintenance, fluids, oil changes, walnut blasting, plugs, coils, bushings, etc...
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      02-26-2017, 12:27 PM   #18
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Quote:
Originally Posted by mojobmw_e90 View Post
Explains why u slower than most, as u have a smaller shaft
Newer have 8mm vs 6mm initially introduced which is why you had to go with Hexon but they are story on their own.
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      02-26-2017, 01:53 PM   #19
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Originally Posted by tunachris View Post
I ran a JB3 early on in my 2010 E92. Switched to a JB4 in 2013, and fried one of the turbos, due to overboost? Switched to a Dinan stage 2 in 2014, and had to replace both turbochargers about a year and a half ago. Running FBO now.

I was going to sell the car, but decided to keep her due to low resale. Kinda wish I had upgraded to turbos last time, but I am still on the stock turbos. I may pull the plug on upgraded snails down the line, but time will tell. I have had to replace a lot of peripherals, but the moter is strong with 88,000 miles on it. I have been very anal on upkeep and maintenance, fluids, oil changes, walnut blasting, plugs, coils, bushings, etc...
If you don't mind me asking how much roughly that came to - I mean changing both turbos for Stage 2? Thank you
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      02-27-2017, 12:03 PM   #20
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I'm at 120k and I have wastegate rattle. This is the only thing that I have not changed on this car. Will be replacing both turbos soon, not sure if I'm getting upgraded turbos or stock turbos with upgraded wastegate arm.
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      02-27-2017, 09:37 PM   #21
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i've got an '08 335xi. first turbo went around 80k miles. second was 105k miles. now i am at 130k, no issues with turbos recently... knock on wood!
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      03-05-2017, 02:08 AM   #22
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~95k miles mine were toast. They rattled ever since I bought the car at ~60k miles.
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