09-17-2020, 05:25 PM | #67 | ||||
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09-21-2020, 07:26 PM | #68 |
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unless you overboost hard on a custom map or race gas map- and dont clear codes. theres no real reason a piggyback is detectable once removed.
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09-23-2020, 03:37 PM | #69 | |
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As you guys probably know, dealerships are independents businesses, not BMW AG or BMWNA, but the service dept gets paid by BMWNA for warranty work, so on the one hand, dealerships are incented to sort of look the other way since they want the business. On the other hand, the dealership probably isn't going to lie if BMWNA starts asking questions, and if BMWNA suspects a tune they can immediately (and for any reason) deny warranty coverage; they're likely not going to conduct an investigation, they'll just deny coverage and let the lawyers deal with it. I've had many friends get hit with this, and one guy got stuck in the Dinan loop where BMWNA denied coverage due to Dinan (on a new 3 series with a blown engine with 3k miles on it and not a single one driven in anger), Dinan refused coverage until BMWNA documented it was the tune that caused the problem and BMWNA said (he ended up buying a junk yard engine, installing it himself, and selling the car). The Dinan "warranty" isn't really a warranty, it's more of insurance in case BMWNA refuses warranty coverage which, once they do, they always will for the life of the car. So basically you gotta find a dealer who's not overtly going to tattle on you and hope BMWNA doesn't start asking questions if something big happens.
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Last edited by GrussGott; 09-23-2020 at 03:43 PM.. |
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10-04-2020, 06:51 AM | #71 |
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Ran the race chip on my m5 for a bit. Worked nicely to get a moderate boost in power, without getting too deep into modding, etc.
How much boost does it add for the g05 40i on most aggressive setting? |
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10-04-2020, 09:02 AM | #72 |
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I'm torn between the Race Chip GTS and the JB4 for an X5 M50i.
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10-14-2020, 01:02 PM | #73 |
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I'm interested in just what kind of troubles you have seen with it. I have a Dinan tune on my F30 and when I had issues I took it back to the dealership to resolve as I had it installed there. There was a cable issue that took almost a month for everyone to figure out. What kind of support do you have? I'm on the web Site and there is no number to call in the US. looking at the Cost $750 for 49HP and 73 RWT isn't bad if those numbers are real. I don't see any dyno sheets available.
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2024 X3 M40i. wife says no Mods since it's aLease.. I see a JB4 tune in the near future.
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10-14-2020, 01:43 PM | #74 | |
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You can call me and talk.
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10-20-2020, 02:14 PM | #75 |
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Are there any dynos out there on.a B58 with the racechip GTS? They claim +75hp/tq. This seems a bit high vs JB4/dinan. Is this the increase in max hp and torque or are they claiming the max increase at a given rpm like some others do?
Also, are they playing games like using the advertised numbers as the baseline (which is under rated) and then advertising their gains over BMW's under rated numbers? |
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10-20-2020, 02:25 PM | #76 | |
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JB4 and Dinan may use different number and dyno. Oh, not to mentioned different gas.
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10-20-2020, 04:58 PM | #77 |
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10-20-2020, 05:02 PM | #78 | |
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For sure pump gas, just not sure which octane.
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11-08-2020, 05:17 PM | #79 |
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Where would I find detailed instructions on how to install the GTS Black on my xdrive 40i?
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11-09-2020, 09:05 AM | #80 |
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There's a good video on YouTube if I remember correctly
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11-10-2020, 09:08 PM | #81 |
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RaceChip have their installation video on YouTube or whoever sells it to you should provide you with one.
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11-23-2020, 05:10 AM | #82 |
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11-23-2020, 08:52 AM | #83 | |
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I have to ask them when I see them. I don't think the delta would be much different. Based on my own testing, the delta on before and after is pretty close.
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12-02-2020, 08:37 AM | #84 | |
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100% enjoying the upgraded performance on my X40i. |
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12-12-2020, 11:19 PM | #86 |
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Do we have any real world numbers on the Racechip piggyback? Looking for M50i ones. I had one on my 650i years ago and my "butt dyno" didn't notice any difference. I sold it and got a flash tune for the same car, and noticed a differnce in power immediatelly.
Would love to see some of the claims backed up by a 3rd party before pulling the trigger. Something like a before and after dyno or Dragy would be nice. I've seen people not gain anything on dynos and they claimed to have some "adapting issues" on the older cars. All I see are their own videos on Youtube, which can be easily manipulated via throttle using 0-60 and 60-130 pulls. |
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01-01-2021, 10:53 AM | #87 | ||
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03-19-2021, 08:07 PM | #88 |
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Do you have any experience with the race chip with the B58 mild hybrid engines?
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