06-02-2021, 03:16 PM | #1 |
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New 2017 328D owner, just new owner advice
In the past few months I picked up a 2017 328D, currently with around 15k miles. The car came from CA but not sure if that matters. The car had a few inspections before it got to me but I went and took it to my local BMW dealer for a final check. They said it was one of the cleanest they had seen. I have shut off the auto Start/Stop feature and so far have not even tested the Eco or sport modes.
I love the hwy mileage so far, the trip computer usually is around 45-47 mpg (main reason I got the car is for hwy travel). Not sure how accurate that is though, have not done a hand calculation yet. I think I have only put maybe 3 tanks of diesel in it. I bought this car knowing I could have emissions problems later but just would like advice of things I should be aware and watch out for. I have never owned a diesel that had a DEF tank so I have no clue what a "regen" sounds like, what should I expect and will I know it happened? I do understand if you are in a "regen" cycle it is best to let the cycle complete even if you don't need to keep driving. I also hear running on the interstate is the best way to occupy this time. I am also considering getting some tuning done. A few extra HP/Lbs along with a few extra MPG never hurt. I have looked through a few threads and it seems the Kerma tune is the preferred option but not sure if that is the best. I saw where I could do "tune my euro" as one of there dealers is somewhat local and consider a stage 3 tune and removing a few items that are doomed to fail in the long run. This is the first automatic car I have owned in 25 years. Not sure if I will need a second tune for this or not and where to go. As we all know the manual option wasn't offered here... I have not really seen any intake or exhaust options for this model. Not sure they exist or even worth the price of admission. I did see where there was a link to the manuals but that link seems to have gotten nuked from orbit. Any advice how to get a manual and what specialty tool I might want to have on hand for this car. |
06-02-2021, 03:24 PM | #2 |
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I’m not sure why you’d want to hear more of the 4-pot diesel with an intake or exhaust mod, but each to their own
Personally I’d stick with what you’ve got for a while, rather than chasing power gains so quickly. Otherwise you’ll soon be seeking more power (and less MPG…which is what you claim you bought it for). |
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06-02-2021, 03:34 PM | #3 |
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Bootmod3 is for the petrol/gas cars, so I wouldn't be recommending that.
Basically a tune would help a lot. Chopping off parts for the sake of 'reliability' doesn't actually guarantee any of that. The intake and exhausts wouldn't actually make any significant difference to power, since in a diesel, it's all about the fuel. Diesels are fuel throttled, so if you are ramming in extra air will still do nothing to it.
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06-02-2021, 05:05 PM | #4 |
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Got it, stick with a tune and go softly on the go pedal.
The tune would be help merging in traffic. The exhaust/intake would be for an occasional car show but not willing to risk reliability for looks. I could care less about sound...I take that back I would prefer it be quite as possible. I get enough loud diesel noise with my dodge cummins |
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06-03-2021, 07:44 AM | #5 |
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I go hard on the go pedal
It keeps the intake much much cleaner
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-2019 M2 Competition MT, Alpine White. Self-tuned 560hp -2016 Mini Cooper S, MT. Many plans. Others: -E36 328is. 2000 Z3 Roady. 2003 VW Jetta TDI Manual. Estoril Z3M Coupe. |
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06-04-2021, 05:47 PM | #6 | |
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I understand the emissions delete questions because I fear having a clogged manifold down the road or a gunked up EGR. On my TDI, I cut a Pepsi can and used it as a block off plate for 200k miles. Worked perfect. Had to tune out the CEL though. I'm at 105k now. Just posted a question on an injector because I thought my issue was an EGR valve. Dealer called and said it was injector. Was surprised but did get a CEL for injector timing exceeding maximum twice a few months back. I don't understand how an injector could throw a drive train malfunction warning |
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06-04-2021, 10:40 PM | #7 |
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Go put a KermaTDI Stage 2 tune on it. No need to modify emissions or any hardware. FaRKle! did a pretty good comparison of stock vs. Stage 2. For a 2017 that's done 15K, I would have a look at the intake manifold for gunk.
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06-05-2021, 01:14 PM | #8 |
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I have an ALH I daily, with some hard driving, I haven't ever needed to clean the intake. It's at 318,000 miles now.
As for the drivetrain warning, that's just a very basic message that something is throwing errors and it needs to be looked at. That isn't used for diagnosis in any way. |
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06-06-2021, 12:28 AM | #9 |
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For a 2017 with only 15K on it implies infrequent city driving, which usually accelerates intake buildup compared to long highway drives. It's easy enough to remove the intake pipe and take a few photos of the throttle body.
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06-07-2021, 07:15 PM | #10 | |
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Not that taking a picture wouldn't be the ultimate discovery tool but is there a data log I might look into? My 2003 would give the dealer indications if I wore my seatbelt much less how I drove the car. With todays new OBDII tools just wonder if it might be in there somewhere waiting for me.... I do have bimmerlink and bimmercode downloaded to my phone and have the OBDII Bluetooth module but haven't attempted to use them yet. ETA.. I haven't seen any recommended tools to have on hand, though reading it appears that some sort of anti-thief tool set is needed if you want to remove the EGR valve to clean it. Also is there a B47 manual or breakdown anywhere for download? Last edited by scoobysmak; 06-07-2021 at 07:21 PM.. |
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06-07-2021, 07:27 PM | #11 |
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You have an N47, by the way. Congratulations on your purchase!
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-2014 328d Wagon, 8HP. Self-tuned, 270hp/430ft-lbs.
-2019 M2 Competition MT, Alpine White. Self-tuned 560hp -2016 Mini Cooper S, MT. Many plans. Others: -E36 328is. 2000 Z3 Roady. 2003 VW Jetta TDI Manual. Estoril Z3M Coupe. |
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06-08-2021, 01:06 AM | #12 | |
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Look up N47 intake cleaning on YouTube.
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06-08-2021, 10:00 AM | #13 |
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Humm, guess I wouldn't know the difference by looking at it. I thought the N47 was phased out to the B47 in 2014. Maybe that is for the Euro model and not the US. Information found here....where everyone can edit it.... https://en.wikipedia.org/wiki/BMW_B47 |
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06-08-2021, 11:00 AM | #14 | |
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06-08-2021, 11:25 AM | #15 |
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Thanks...now I know....
I would assume after all the years the main problems like the swirl flaps and timing chain have had a fix since say around 2011? ETA...the timing chain seems to be a UK problem early on. The US probably got the fix before it was offered here. Still haven't found much about the swirl flaps. Last edited by scoobysmak; 06-08-2021 at 11:44 AM.. |
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06-08-2021, 12:51 PM | #16 |
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The swirl flaps have not been an issue at all in the USA. They're actually quite reliable.
As far as the timing chain, I think the chain revision plus the 10,000 mile oil service interval pretty much solved it for the USA cars.
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-2014 328d Wagon, 8HP. Self-tuned, 270hp/430ft-lbs.
-2019 M2 Competition MT, Alpine White. Self-tuned 560hp -2016 Mini Cooper S, MT. Many plans. Others: -E36 328is. 2000 Z3 Roady. 2003 VW Jetta TDI Manual. Estoril Z3M Coupe. |
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