06-02-2015, 02:45 PM | #23 |
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You have a valid point, as a consumer you're entitled to modifying it however you please... But how can one expect BMW to pay for "damages" as a direct result of vehicle negligence in terms of modifying the engine beyond the point of what the vehicle is capable of let alone suited for... The old fashion saying "you gotta pay to play" comes into terms for the OP's case, boils down to risk versus reward.
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06-02-2015, 03:16 PM | #24 | |
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Last edited by Charlie@McKennaBMWService; 06-02-2015 at 03:25 PM.. |
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06-02-2015, 03:19 PM | #25 | |
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what would happen then? |
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06-02-2015, 03:26 PM | #26 | |
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Sounds like you are turning this into a JB4 bashing for personal reason. Here is a screenshot of ECU boost vs actual boost Notice that boost is 10 psi off
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06-02-2015, 03:31 PM | #27 |
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That's a great question, that's something we're still scratching our heads about... Not quite sure what's going to happen TBH...
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06-02-2015, 03:35 PM | #28 |
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That's just an Excel spreadsheet Mike, what does that have anything to do with what we're able to see from our technical side? Not "bashing" the product Mike, but based on a business point of view and the volume of clients I get on a weekly basis about the inconsistencies the product provides is my point... A lot of clients are led to believe that their vehicles are triggering check engine malfunctions or drivetrain malfunctions as a direct result of a faulty BMW component. But that too is far from the truth, I instruct clients in MOST cases to put their vehicles back to stack, remove the JB4, clear the faults and perform several drive cycles for the I/M monitors to reset. Low behold once all that's been done, no more malfunctions...
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Last edited by Charlie@McKennaBMWService; 06-04-2015 at 10:49 AM.. |
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06-02-2015, 03:42 PM | #29 | |
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Once the report says there is a JB4 and boost over stock has been recorded then i will agree with you that BMW did detect it. So far all i see is a report that says there is an aftermarket turbo and catless downpipes, nothing about the JB4 or any recorded psi over stock limit. I will have to go now, we will just agree to disagree .
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06-02-2015, 04:01 PM | #30 |
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I would imagine he would keep it until the lease end and park it, and then they would charge him the cost of the engine for wear and tear when he turned it in.
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06-02-2015, 04:12 PM | #32 |
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06-02-2015, 05:55 PM | #33 | |
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I was under the impression that those black boxes (which have been around in some form I think since 2000) only record the last few minutes of a drive cycle. Is this incorrect?
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06-02-2015, 06:04 PM | #34 |
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Charlie...could you disclose exactly what the FASTA reports on? I know I saw Launch control usage (which is fine since BMW provides it to the consumer and I doubt there is a limit on how many times we can utilize it) and if you've hit or exceed the speed limiter/governor (which would indicate I'm sure that something has been tweaked.). What else does it report on? I get what Mike is saying..based on the posts..its all been visual clues that did E46 in...and if the JB (?) system tricks the computer to thinking its running normal boost, then that paramet wouldn't throw up a red flag. I think we're all just trying to use this unfortunate incident as a learning example........
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06-02-2015, 06:07 PM | #35 |
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Why would that matter? A leased vehicle is based on a contract...you get to drive it x miles...$/mile charge over and return it in x condition or pay for excessive wear and tear/repair/damage, etc. I don't understand what the question is........
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06-02-2015, 06:13 PM | #36 |
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Appears that all the visual clues are the warranty killers (rightfully so unfortunately). GSR has stated that they've taken their cars to a dealer and the dealer could not detect any of their flash tuning. Ideally, I'd love to see a GSR car flash tuned car put to your FASTA test to see if it sneaks by....although they may have done this with their own dealer friend. I'm just looking at everything prior to pulling the trigger.......
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06-02-2015, 06:22 PM | #37 |
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I'm wondering if it was the aftermarket parts.. which one contributed the most to the failure. Lots of people have intakes and exhausts and lets be real, those alone wouldn't blow an engine. DP? doubt it. JB4 although provides the brains to get a large increase in HP, many many people have used them for a few years with little problem. e85? Seems lots of people have had good results with it with little problems but I could see this being higher on the list. Turbo upgrade? If I had to guess, and its only a guess, I think this would have put the biggest strain on the engine. I don't know the specifics of the Hex one used and how much PSI increase there was over stock but I would think its a decent amount. Or was it everything in tandem?
I feel like the JB4 with full bolt is somewhat common and trouble free.. So again, turbo upgrade? What do you guys think? |
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06-02-2015, 06:33 PM | #38 | |
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06-02-2015, 06:37 PM | #39 |
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But how do you figure these vehicles are able to achieve such high numbers...? Based on what I know and my many years of building cars in the past, primary source of making additional if not a lot more HP is to be had by adjusting the AFR(as a start). As stated in my previous post/s, I get clients coming into my service department on a weekly basis having these irregular "issues" or concerns that aren't commonly seen on stock vehicles(135/335/535's). From my experience and based on what I tell my clients, I can only educate them and instruct them to do what's best for their vehicles and or best for us to efficiently troubleshoot the problems that they're having by simply putting everything back to stock and take it from there. Majority of the times my clients will not return with the same or if at all any "issues" so that's a clear indication that modifications(not always) will arguably increase the level of problems your vehicle can have...
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06-02-2015, 06:38 PM | #40 |
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That's precisely it...
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06-02-2015, 06:39 PM | #41 | |
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Totally appreciate your posts, Charlie...just trying to pick your brain. Maybe you and Nick @ GSR can get together and test a GSR-tuned (or not) car and see if your system can detect it? Like I said...Nick has previously said that their tunes weren't detectable..just wonder if what they had their car go through was what you were referring to. I agree..you pay to play..but investigation/knowledge helps you pick your power and strategy when modifying these things. Post Warranty, it's a different ballgame...its just us vs the Smog laws by state...but of course we want our cake and eat it too (warranty) Being in SoCal, McKenna isn't that far so I'm watching with interest with all this mod stuff......
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06-02-2015, 06:45 PM | #42 | |
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06-02-2015, 06:49 PM | #43 | |
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06-02-2015, 06:57 PM | #44 | |
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BTW Dave, I had a 428 GC sport line loaner the other day. I was VERY impressed. I thought it would handle like the 3 but it doesn't. It's better. More planted and firm and the interior has a more sporty feel. And the trunk! It's basically a hatch. Best looking hatch to date Ok thats all, I don't want to hijack this tread. |
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