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BMW 3-Series (E90 E92) Forum
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N52 3IM BPC Tune First Impressions
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07-02-2018, 09:57 PM | #23 |
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07-02-2018, 10:20 PM | #24 | |
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07-03-2018, 02:01 PM | #25 | |
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07-03-2018, 08:32 PM | #26 | |
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If I understand everything correctly, the tune/flash they have is what was used on the 2006 330i with the 3IM. My N51 has the the 3IM already as it was BMW's way of compensating for the lower compression ratio than that of the N52, but still allowed them to get their special SULEV rating. My stock N51 tune is also dumbed down like my compression. So installing this flash/tune on my DME will liven things up a little bit? Not like an AA or BPC (sp?) tune though. Also, does anyone think that this may help the slight hesitation I get through out the rpm band under load that I can't pinpoint as I have no codes? TIA!!! |
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07-03-2018, 10:17 PM | #27 |
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Unfortunately, I dont currently have a performance tune for the N51. I could build one, but its not a high priority at the moment. There have only ever been 2 requests so far..
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07-03-2018, 10:30 PM | #28 | |
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I guess the best question to ask is, with a stock 328 N51 6mt with a stock 3IM, would I get anything from going through the process of doing the 330i tune/flash. Sorry if I'm making this harder than it is. |
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07-03-2018, 11:18 PM | #30 | |
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07-03-2018, 11:29 PM | #31 | |
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Do you want to just go to pm so I don't bore everyone? |
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07-04-2018, 08:31 AM | #33 |
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We can flash our "330i" tune to the N51 cars with some minor modifications to our N52 flash, but I don't know how optimally it would run since the N51 has some hardware differences (most notably the pistons and therefore compression ratio IIRC).
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07-05-2018, 09:43 AM | #34 |
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Ah. I've never seen a Dynojet that could be "loaded" i.e. eddy current, so call me corrected..
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07-06-2018, 03:29 PM | #35 |
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We have an N51 now in house to play with, i'll post some dyno sheets in the next couple of weeks.
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07-06-2018, 09:37 PM | #37 |
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I've been thinking about making the trek up to you guys for a tune at the beginning of next year and would love to see what you guys can do!
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07-07-2018, 12:29 PM | #38 |
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So if we already have your tune and you make an optimized one for our engines we can get the latest and greatest free of charge or for a small amount?
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07-14-2018, 03:37 PM | #39 |
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Just uploaded it this morning.
2009 e90 328i sport 6MT 3-stage IM and charcoal delete. It's a little different, but certainly not night and day. I expected more of a change, honestly. Will check to make sure everything is plugged in correctly, because I don't feel any changes in the valves opening and closing...it's like a lively 328, but no more... |
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07-14-2018, 03:54 PM | #40 | |
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07-15-2018, 04:49 AM | #41 |
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Drove the car again this am.
Really not sure there's a big difference. Something must be wrong |
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07-15-2018, 09:27 AM | #42 |
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07-15-2018, 09:55 AM | #43 | |
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It's a manual, and I don't have any scan tool whatsoever. |
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07-15-2018, 12:07 PM | #44 |
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