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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 09-01-2009, 09:59 AM
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Dinan upgrade on the 335d

Anyone know if Dinan is planning performance software / parts for the 335d?

I was considering a 335d but for the price I'd at least like to have the option to add a more power, like what's available for the cheaper 335i.
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  #2  
Old 09-01-2009, 10:04 AM
d geek d geek is offline
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Yes, the 335i has more hp, but far less torque than the 335d. Which one do you notice more driving the car?

I've heard that Upsolute will chip the 335d. Don't know if Dinan has anything for it yet.
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  #3  
Old 09-01-2009, 10:18 AM
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Quote:
Originally Posted by d geek View Post
Yes, the 335i has more hp, but far less torque than the 335d. Which one do you notice more driving the car?

I've heard that Upsolute will chip the 335d. Don't know if Dinan has anything for it yet.
I've driven both, the 335i is has a more linear pull, and is flat out faster. However, I actually like the engine sound better on the 335d, and 36 mpg is a plus. Also, I work in the so-called 'green' industry, so having an alt fuel / higher mileage car like a 335d is a good conversation starter.

I just don't want to sacrifice that much power, especially if it's going to cost more than the 335i. A Dinan upgrade would fix the problem... not sure about upsolute... don't really want to jeapordize the warranty. TBH though, if it wasn't for personal preferance, I don't understand why anyone would choose the 335d over the 335i, at least at it's current price point. The financing isn't even as good as the 335i.
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  #4  
Old 09-01-2009, 10:26 AM
d geek d geek is offline
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Originally Posted by fm_illuminatus View Post
...A Dinan upgrade would fix the problem... not sure about upsolute... don't really want to jeapordize the warranty. ...
Will BMW stand behind their warranty if you have a Dinan upgrade? I believe Upsolute warranties their work.

this guy is claiming he will be getting an Upsolute chip very soon:
http://www.bimmerfest.com/forums/sho...&postcount=102
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  #5  
Old 09-01-2009, 10:30 AM
BlueC BlueC is offline
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Quote:
Originally Posted by fm_illuminatus View Post
I've driven both, the 335i is has a more linear pull, and is flat out faster. However, I actually like the engine sound better on the 335d, and 36 mpg is a plus. Also, I work in the so-called 'green' industry, so having an alt fuel / higher mileage car like a 335d is a good conversation starter.

I just don't want to sacrifice that much power, especially if it's going to cost more than the 335i. A Dinan upgrade would fix the problem... not sure about upsolute... don't really want to jeapordize the warranty. TBH though, if it wasn't for personal preferance, I don't understand why anyone would choose the 335d over the 335i, at least at it's current price point. The financing isn't even as good as the 335i.
I'd be more than happy to have a 335d, but as you mentioned, the financing is quite a killer on the 335d. The residuals and MF rates are just awful. Otherwise it's a worthy contender.
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Old 09-01-2009, 11:04 AM
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Originally Posted by d geek View Post
Will BMW stand behind their warranty if you have a Dinan upgrade? I believe Upsolute warranties their work.

this guy is claiming he will be getting an Upsolute chip very soon:
http://www.bimmerfest.com/forums/sho...&postcount=102
Yea, DINAN work doesn't invalidate the factory warranty, afaik. Will upsolute fix an unrelated engine problem? Because any kind of ECU chip will invalidate the warranty for the entire engine, according to multiple service advisors.

Quote:
Originally Posted by BlueC View Post
I'd be more than happy to have a 335d, but as you mentioned, the financing is quite a killer on the 335d. The residuals and MF rates are just awful. Otherwise it's a worthy contender.
Yep, 4.9% for the 335d, 2.9% for the 335i, the last time I checked.
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Old 09-01-2009, 11:18 AM
anE934fun anE934fun is offline
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Originally Posted by fm_illuminatus View Post
Yea, DINAN work doesn't invalidate the factory warranty, afaik. Will upsolute fix an unrelated engine problem? Because any kind of ECU chip will invalidate the warranty for the entire engine, according to multiple service advisors.
Dinan provides a supplemental warranty that is supposed to cover repairs/failures that occur from Dinan products. BMW does not warrant Dinan products. The one gray area is what happens when Dinan claims a part failure is not due to their modification - for example if an axle bearing fails. BMW refuses to cover the failed bearing replacement because of the Dinan Stage II tune that is on the engine. Dinan also refuses to cover the bearing failure because it is not related to the upgraded engine. What happens then? Are you going to incur the cost of litigating with BMW and/or Dinan?

Quote:
Originally Posted by fm_illuminatus View Post
Yep, 4.9% for the 335d, 2.9% for the 335i, the last time I checked.
Well, if you had placed an order for a 335d by yesterday, you would have qualified for the $4,500 Eco Credit. The Eco Credit approximates a 1.9% interest rate going out 60 months....
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Old 09-01-2009, 01:05 PM
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Well, if you had placed an order for a 335d by yesterday, you would have qualified for the $4,500 Eco Credit. The Eco Credit approximates a 1.9% interest rate going out 60 months....
And you still would today. Word is it is extended through the end of September.
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Old 09-01-2009, 01:11 PM
tcolberg tcolberg is offline
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For the 335d, it's better to secure outside financing. When we bought ours, we got 3.99% for 60 months through a credit union. BofA was also offering 4.25% for 60 mo.
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  #10  
Old 09-01-2009, 01:13 PM
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My dealer told me BMW is moving away from Dinan.Make sure BMW will back you on warranty with Dinan parts on an '10.
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Old 09-01-2009, 02:57 PM
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My dealer told me BMW is moving away from Dinan.Make sure BMW will back you on warranty with Dinan parts on an '10.
It's mostly up to your local S.A. A coworker of mine has the Stage II and the dealer at Hilton Head Island is very fond of the car...He's done warranty work on that vehicle with the Dinan upgrade installed, including the HPFP which would be a potentially arguable point.
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Old 09-01-2009, 03:00 PM
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chiptuned 335d may embarass the 335 i reckon. especially in low gear, low speed drags, etc. that torque is monstrous.
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  #13  
Old 09-02-2010, 02:03 AM
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I just leased a 335d. I drove the 335i also, but I really liked the feel of all that torque. Got Eco credit of 4500 dollars, and the high residual value brings the payment quite low. I love its sound, the feel of the car. I took it up to 140 no problem. The amazing gas mileage for all that power is stunning. Does anyone know what's the best way of making this car a bit faster? The 5000 rpm doesn't do all that torque any justice! At 7000 rmp, this car would be a monster. The trick is if you add 800 pounds in an M3 and 800 pounds in the 335d, the 335d will eat the M3 for breakfast!
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  #14  
Old 09-02-2010, 04:20 AM
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BMW warranty doesn't cover aftermarket parts, including Dinan, and damage/failures as a result aftermarket parts. It never has. Dinan offers a warranty to match the BMW warranty. This can lead to stories of Dinan and BMW swapping claims for work when the blame for the damage is murky. The difference with Dinan is that there was a level of endorsement of Dinan by BMW (probably by dint of Dinan tuning BMW race engines) by having Dinan sell parts/upgrades through BMW dealerships and service, so in these cases, the car would be fixed under warranty if needed - just the paper work behind the scenes was different with who payed for the work.

However, Dinan has an excellent reputation for its quality and design. The only thing I would note from observation is that if you tune an N54 engine and want to track it, make sure you get either an OEM or Dinan oil cooler fitted. The engine gets too hot and craps out pretty quickly when pushed on a hot day - I have seen this with a 135 and 335 (twice) that I was sharing the track with.

From the gossip I have read, there was a cooling of the relationship between Dinan and BMW over privileged ECU codes for the N54 engine, or something, but I am not sure how much of this is conjecture. Maybe someone else can chip in.
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Old 09-02-2010, 05:01 AM
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Quote:
Originally Posted by fm_illuminatus View Post
Yea, DINAN work doesn't invalidate the factory warranty, afaik. Will upsolute fix an unrelated engine problem? Because any kind of ECU chip will invalidate the warranty for the entire engine, according to multiple service advisors.



Yep, 4.9% for the 335d, 2.9% for the 335i, the last time I checked.
I got 2.9% on my D. for me the D was a no brainer over the 335i. almost equal performance, much better fuel economy, fuel that cost less (diesel is less than premium in my area) an expected longer engine life (intend to keep this car awhile) 4500 eco credit + 900 tax credit make it a better financial buy also. HPFP in the N54 Vs the reliability of the D(need I say more) give me all of the above combined with 425ftlbs of Tq every day over the 335I
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  #16  
Old 09-02-2010, 05:08 AM
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Originally Posted by tcolberg View Post
For the 335d, it's better to secure outside financing. When we bought ours, we got 3.99% for 60 months through a credit union. BofA was also offering 4.25% for 60 mo.
I don't believe $4,500 ECO credit apply when you obtain outside financing. It is actually wiser to stick with BMW Financial Services as I'm getting both ECO & 60 months at 2.9%.
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Old 09-02-2010, 07:50 AM
"The Don" "The Don" is offline
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Remapping the 335D is certainly nothing new this side of the pond.

350BHP and 700NM is pretty commonplace over here

All of my 5 BMW's (3 x E46, all 330D's and 2 x 335D's) to date have been remapped and in all those 8yrs I've never had one problem in terms of engine issues.
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Old 09-02-2010, 08:44 AM
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Speed limits and their interpretation must be a bit more liberal than on the other side of the pond. All those mods.
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Old 09-02-2010, 08:56 AM
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Originally Posted by bayoucity View Post
I don't believe $4,500 ECO credit apply when you obtain outside financing. It is actually wiser to stick with BMW Financial Services as I'm getting both ECO & 60 months at 2.9%.
Not true. We used BA at 2.85% and got the 4500 credit in August. N4S
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Old 09-02-2010, 10:23 AM
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I got 2.9% and the $4500 Eco credit on my d, and the Eco credit is available regardless of if or where you finance. I closed my deal in late June, so mayb now the rates are different.

I never shopped between the 335i and 335d, but I did do price comparison of my almost fully optioned d with the 328i with the same options. I also looked at fuel savings and the price premium for the d over the 328i was made up in about 3 1/2 years given my 23,000 miles per year usage as I recall.

On that basis I am confident that the d will cost less than the 335i as long as the ecocredit and $900 tax credit are in place.

And to get the thread back on track, I can't imagine wanting more from the 335d stock ECU on US roads, but I believe there are a couple of folks on the diesel forum that have chipped their rides. I worry about 425 lb-ft on the tranny over 200,000 miles, so I'd worry more about 500 lb-ft you might get out of a chip. Definately would not be covered I assume.

Last edited by mecodoug; 09-02-2010 at 12:22 PM.
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Old 09-02-2010, 11:39 AM
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Originally Posted by hpowders View Post
Speed limits and their interpretation must be a bit more liberal than on the other side of the pond. All those mods.
Folks in Europe have been chipping their turbodiesels for years. It's a great way to buy a 4-cyl diesel econobox, then chip it to the power of a 6-cyl diesel for little cost.
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Old 09-02-2010, 11:44 AM
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Originally Posted by mecodoug View Post
And to get the thread back on track, I can't imagine wanting more from the 335d stock ECU on US roads, [snip]
+1

The "D" is spectacular on the freeway.

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Originally Posted by bmw335d View Post
The 5000 rpm doesn't do all that torque any justice! At 7000 rmp, this car would be a monster.
You can't apply petrol standards to a diesel engine. Higher revs wouldn't be an improvement since diesels produce most of their torque at the bottom end; in that regard, 5000rpm is just right.

A stock 335d is already a 'monster'!

Last edited by JŠnos; 09-02-2010 at 12:04 PM.
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Old 09-02-2010, 03:29 PM
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Folks in Europe have been chipping their turbodiesels for years. It's a great way to buy a 4-cyl diesel econobox, then chip it to the power of a 6-cyl diesel for little cost.
One day, you think we will have a variety of fun 4-cylinder diesels to choose from?
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The E90 sedan is the last in the line of great 4 door 3 Series BMW's. Too bad.

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Old 09-02-2010, 04:37 PM
KarlB KarlB is offline
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One day, you think we will have a variety of fun 4-cylinder diesels to choose from?
I hope we will. Though even if BMW sold their 4 cyl diesel here I would still have bought the 335d. If I was gonna buy a petrol 3 series it would be the v8 M3. there is no substitute for displacement.
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Old 09-02-2010, 04:44 PM
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there is no substitute
Wrong brand.
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