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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 > Rod knock on 50k motor



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      12-05-2021, 02:40 PM   #89
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Quote:
Originally Posted by Mustafa.e92 View Post
Any recommendations for tuners? My single kit is coming next month
Find two or three who you think you want to work with...then email them all and see how fast they are to respond. No matter how good someone might be, you don't want to del with some that takes forever to get tune revisions back to you.

Ken (Wedge), Justin (V8 Bait), and Doc Vu on Facebook all have great reputations.....I would start with them. Also search google N54 tuners and read up as much as you can. I started looking for a tuner months before I ordered my new turbos.....
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      12-05-2021, 06:11 PM   #90
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Everyone seems happy with V8bait. I'd suggest to avoid Doc Vu, i've seen plenty of complaints, doesn't seem to know what he's doing when looking at the tunes he sends out.
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      12-05-2021, 08:06 PM   #91
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Quote:
Originally Posted by iqraceworks View Post
Find two or three who you think you want to work with...then email them all and see how fast they are to respond. No matter how good someone might be, you don't want to del with some that takes forever to get tune revisions back to you.

Ken (Wedge), Justin (V8 Bait), and Doc Vu on Facebook all have great reputations.....I would start with them. Also search google N54 tuners and read up as much as you can. I started looking for a tuner months before I ordered my new turbos.....
V8Bait lately has been lagging with my revisions. It takes him about 7-10 days to get back to me. Busy day job plus a new baby so I don't blame the guy. I will always recommend him though it's worth the wait.
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      12-05-2021, 08:12 PM   #92
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Yeah I've looked into a few tuners I just wanted a more recent recommendation and experiences. Cars going to get parked for 4-5 months because of winter so theirs no rush
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      12-05-2021, 10:25 PM   #93
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Originally Posted by _N54 View Post
V8Bait lately has been lagging with my revisions. It takes him about 7-10 days to get back to me. Busy day job plus a new baby so I don't blame the guy. I will always recommend him though it's worth the wait.
Yep. I just got done using him for my custom 93 and E40 tunes a few months ago. Towards the end he was taking a little longer to get back to me...but like what was said above a new baby takes priority. The tunes he made for me are awesome! The guy knows what he's doing....
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      12-06-2021, 11:27 AM   #94
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Quote:
Originally Posted by Mustafa.e92 View Post
Yeah I've looked into a few tuners I just wanted a more recent recommendation and experiences. Cars going to get parked for 4-5 months because of winter so theirs no rush
One not mentioned yet would be CD919. Should be able to find him on Instagram with just that username. If not, his s p o o l s t r e e t username is chrisdfv. I'm extremely happy with my tune from him and he usually had revisions to me within the day, some days he even got 2-3 to me. I know that he also mostly tunes single cars, not that it should really matter.
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      12-06-2021, 11:29 AM   #95
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Man I was really considering Ken for my custom tune on soon to be Pure 600s, but after this thread it sure doesn't look like I will be going with him.

What I find interesting is he immediately begins to blame the oil and provides his "evidence" from the 540 RAT blog. The same blog that says Mobil 1 0w40 FS is better than his recommended Motul 300v.

0W40 Mobil 1 “FS” European Car Formula, ACEA A3/B3, A3/B4, API SN, synthetic = 127,221 psi
5W30 Motul 300V Ester Core 4T Racing Oil, synthetic = 112,464 psi

While I am far from as knowledgeable about tunes like most of you guys on here the fact that everyone keeps pointing to the much higher than normal timings and maxed out fuel trims almost leads me to believe maybe Ken sent OP the wrong map. Maybe he sent him a map for someone else's vehicle instead of the base map he meant to send.

Anyway 30FF definitely keep us updated with what you find in the motor, even though it sounds like you already confirmed metal in the filter.
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      12-06-2021, 11:35 AM   #96
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Quote:
Originally Posted by lookalikehuuh View Post
Man I was really considering Ken for my custom tune on soon to be Pure 600s, but after this thread it sure doesn't look like I will be going with him.

What I find interesting is he immediately begins to blame the oil and provides his "evidence" from the 540 RAT blog. The same blog that says Mobil 1 0w40 FS is better than his recommended Motul 300v.

While I am far from as knowledgeable about tunes like most of you guys on here the fact that everyone keeps pointing to the much higher than normal timings and maxed out fuel trims almost leads me to believe maybe Ken sent OP the wrong map. Maybe he sent him a map for someone else's vehicle instead of the base map he meant to send.

Anyway 30FF definitely keep us updated with what you find in the motor, even though it sounds like you already confirmed metal in the filter.
Will keep you guys updated, stripping down and pulling the motor in coming days/ weeks, I do find him blaming the oil on the odd side. I never heard of anyone blowing a rod because of running liqui moly, he might have just sent me a wrong map, who knows. I will ask him about the high timing to see what he says
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      12-08-2021, 05:53 PM   #97
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Quote:
Originally Posted by Mustafa.e92 View Post
Any recommendations for tuners? My single kit is coming next month
Wedge (some don't like him but he's been around forever and knows his stuff)
V8Bait (best e85 cold starts, solid tunes, lots of single guys running his tunes)
Doc Vu (I don't know as much about him but again, very reputable)
Motiv (I don't know a ton about them but heard mostly good things
David Shoup (newer name in the biz but seems to be quickly building a good name for himself)

Those are by far the most common and well regarded tuners for this platform. You'd likely be happy with any of them.

Keep in mind, even though Wedge seems to have a higher 'engine count', the majority of the people bashing him on the other forums are rival tuners or people who haven't provided all the relevant info. If your car is not running right or producing clean logs, you need to go back to the tuner for more revisions. Ultimately you are responsible for keeping an eye on your own car and you can blow up your engine on any tune if your car isn't happy. Wedge's tunes may still be the most aggressive however. FWIW, my car has been Wedge tuned for years and it's running A+ and pulling like a freight train with clean logs. I'd have no hesitations about using him for a new tune if/when I upgrade turbos.
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      12-12-2021, 11:47 AM   #98
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I feel like ken is starting to take offense to me questioning but just trying to figure out what could possibly gone wrong here

https://datazap.me/u/30ff/engine-blown?log=0&data=3-20

Dont see how this log isn't clean
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      12-12-2021, 01:15 PM   #99
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Quote:
Originally Posted by 30FF_ View Post
I feel like ken is starting to take offense to me questioning but just trying to figure out what could possibly gone wrong here

https://datazap.me/u/30ff/engine-blown?log=0&data=3-20

Dont see how this log isn't clean
Have you asked him, why the STFT's are maxing out and why there is a 6.3 degree timing drop on cylinder 5?

Ask him what he means by a "clean log"
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      12-12-2021, 01:17 PM   #100
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      12-12-2021, 01:25 PM   #101
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Quote:
Originally Posted by 30FF_ View Post
[IMG][/IMG]

Ken states my liqui moly 5w-40 oil I am using could've have spun the rod bearings recommended I run motul 5w-40 next time
Can someone explain this Psi rating for oils, first I heard of this,

Always thought LIQUI molly was good oil.
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      12-12-2021, 01:28 PM   #102
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Originally Posted by 30FF_ View Post
.
What was the correct data he requested?
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      12-12-2021, 01:37 PM   #103
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Originally Posted by Dave92N54 View Post
Just ran across something pretty interesting.

I use Reddit pretty often for programming and school related things, and found myself on the E90 subreddit not too long ago.

User posted today asking about a weird noise they're hearing, which to me sounded like compressor surge. I got a log from them and was informed it's a base map from Ken. The guy clearly has a massive boost leak or i'd guess maybe no/little vacuum to the wastegates as you can see here: https://datazap.me/u/morflax/test

What stuck out to me was fuel and timing. I don't think our DMEs will adjust timing based on boost, right? If so, this guy is running 12* on ACN91 fuel with a boost target of 15 on 19Ts.
This is nuts! 12 degree timing on the worst fuel
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      12-12-2021, 01:41 PM   #104
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Quote:
Originally Posted by Saif2018 View Post
Quote:
Originally Posted by 30FF_ View Post
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What was the correct data he requested?
What he is talking about is doing a pull from 2000k - to redline I did that in the log I think I started off at 2.3k in 4th gear which he recommended either 3rd or 4th did the pull all the way till redline as you can see, the log is good enough IMO to work with with
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      12-12-2021, 01:44 PM   #105
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      12-12-2021, 02:11 PM   #106
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Quote:
Originally Posted by Saif2018 View Post
This is nuts! 12 degree timing on the worst fuel
The DME references load for timing so 12deg might not be far off what stock would be if load is low.
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      12-12-2021, 02:16 PM   #107
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Tuned 100k+ cars worldwide lol. Count your loses and move onto a different tuner. That email is a joke. Bitchin about wasting 15 minutes on a email...
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      12-12-2021, 03:05 PM   #108
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All cylinders almost no leakage % , worth rebuilding giving me hope
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      12-12-2021, 05:05 PM   #109
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      12-12-2021, 05:28 PM   #110
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Quote:
Originally Posted by pysical View Post
Tuned 100k+ cars worldwide lol. Count your loses and move onto a different tuner. That email is a joke. Bitchin about wasting 15 minutes on a email...
Is possible. A lot of n55 were made. So 100k+ doesn’t seem to high to me. I don’t have any affiliation with this particular tuner and I’m not taking sides either, just sharing my opinion that tune isn’t likely to cause a rod knock. Little over a year ago I acquired n54 that was running horrible. Had a lot of faults, from misfires, to fuel cut off codes, o2 sensors code, throttle body fault code. Was literally driven to me for 1500 miles and who knows for how many miles and in what way before that. I replaced all of the parts and fault codes remained. Terry JB4 worked on the scaling of the m3 cluster for my 335i like 10y ago and I have been happy with his products so I reach out, sent him couple of logs and car has been running great since. So I know tune can make a difference but can’t see how it can cause a rod knock. I have done quite few rod bearings on N54. Two of my personal engines spun bearings. But I track these cars. So not even this engine being only at 50k miles is of any significance to me as that isn’t a pointer of how the engine was used and maintained. Could be just weird coincidence and tearing the engine apart won’t give you any answers either unless something purely mechanical like loose rod cap bolt or defective oil squirter.
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