335d tuning advice

YH10 · 03-15-2018, 06:59 PM

Hello all,

Need some advice if possible.
I have just sold my 08 335i and my winter car that has been sorn for three years lol.. A w reg c class, and have left a deposit on a 2010 335d.
I am due to pick the car up on 1st April and currently planning on prepping the car for daily usage.
I have no intention of keeping the dpf for starters and have been reading about what else to do. I am planning on swirl flaps removal, egr delete and dpf delete but unable to find a decent garage that is able to do all of this. Does anyone no of any reputable tubing company that can carry out this ?

Any advice for longevity for a 335d, it has 50k miles. As always all advice is welcome and much appreciated !

rasa bmw · 03-16-2018, 03:23 AM

i would have a look at bwchiptune..probably the best a most knowledgable tuner in the game,next car i buy will go to them,i will travel and stay in hotel to do so...they will test your car before any work is done on it,,and they will tell you evry detail about what you can do etc,you do not need to take the dpf off either,they will explain everything to you..honestly..give them a bell

nick46 · 03-16-2018, 03:54 AM

Definitely bwchiptune. They recently remapped my 2010 330d and they certainly know what they're on about. Also as rasa says - and also Jason from bwchiptune will tell you there is absolutely no need to remove the dpf. You don't even need to delete the egr, it can simply be programmed to stay shut, which is what they did with mine.
When it came to tuning I did a lot of research and bwchiptune certainly seem to be the best in the game. I travelled all the way from somerset for them to tune my car and I'm glad I did.
My 330d is now 317bhp and 673nm of torque.

Silver Streek · 03-16-2018, 05:09 AM

As they other guys have said you don't need to get rid of the DPF, and indeed you shouldn't. MOT rules are changing fast and they will be testing emissions to detect whether it is still in place. Everyone that has deleted them will soon find they have to them refitted I reckon.

harvs43 · 03-16-2018, 03:52 PM

Quote:

Originally Posted by Silver Streek

As they other guys have said you don't need to get rid of the DPF, and indeed you shouldn't. MOT rules are changing fast and they will be testing emissions to detect whether it is still in place. Everyone that has deleted them will soon find they have to them refitted I reckon.

Totally agree, don't get shot of it or you will regret it.

YH10 · 03-19-2018, 05:56 PM

Thanks for all the responses guys !

I got in touch with bwchiptuning and didn't manage to speak to Jason, I spoke to Chris (Jason's son)
To be completely honest they were not to keen on assisting with the dpf removal, which I can appreciate.
My go to place would be evolve, however they are also only prepared to map the car..
Surely some reputable tuning place would be able to all the bits ?
Any actual 335d owners who've had any work done to the car able to advise

bfleming · 03-19-2018, 06:17 PM

Reputable places won't do DPF removals, and that's going to be your issue. Assuming you're doing the annual mileage to justify a diesel - or at least long enough runs for the DPF to regenerate - you'll be fine. As for the EGR delete, swirl flaps etc that you mention, it's almost as if you've made a list based on any early E90 diesel weaknesses to address. Does a 2010 335d still have the troublesome swirl flaps, thermostats etc from the earlier M57 cars? I know the N47/N57's don't.
Personally I'd look to enjoy the car as is for at least a few weeks of ownership before deciding what it needs.

bishbosh · 03-19-2018, 06:56 PM

As above, removing the dpf is storing up problems for the future, what with the mot test getting stricter each year.

A 2010 335d will still have the M57 engine, technically the M57N2 incarnation, it should be pretty bulletproof!

nick46 · 03-19-2018, 07:44 PM

My 2010 330d has the N57 engine so surely the 335d should be the same as they're both LCI models?

bishbosh · 03-19-2018, 08:07 PM

Nope, the twin turbo 335d in the e9x kept the M57 engine. Nothing to do with it being lci or not.

The F series 335d uses the N57Z engine, but this is now a single turbo design.

YH10 · 03-20-2018, 05:20 PM

Reason for the mods before getting the car is due to me going to see a 2011 335d.
Test drove it and boost didn't kick in till 3.5k rpm.
The technician had a look and there was a oil leak from the swirl flaps, egr was blocked and a boost valve. I guess I just don't want the hassle of dealing with this and since these are common faults wanted them to be done beforehand.
Id rather deal with re-installing the dpf as and when required. I've read about Avon tuning, need to give them a call.
Anyone had any work done with them at all ?

bishbosh · 03-20-2018, 05:59 PM

Boost not kicking in until that rpm is most likely a faulty boost hose or pressure converter. Boost usually kicks in about 1500rpm.

bfleming · 03-20-2018, 06:37 PM

I'd walk away from one with issues on Day 1 rather than planning to throw money at it that may/may not resolve the fundamental issues. Have you already committed to it?

YH10 · 03-20-2018, 06:39 PM

Quote:

Originally Posted by bfleming

I'd walk away from one with issues on Day 1 rather than planning to throw money at it that may/may not resolve the fundamental issues. Have you already committed to it?

Already said no to that one.
Getting a 2010 with the same mileage and same price.

It's 2010 with 50k miles, one owner and full bmw service history

bfleming · 03-20-2018, 06:49 PM

OK I get where you're coming from now. That first one sounded like a bit of a neglected puppy; next one sounds a lot better. I stick with what I said earlier though - get it, enjoy it, then see how to make it better, rather than throwing money at it to cure faults it doesn't have (& may not ever have).

03-15-2018, 06:59 PM	#1
YH10 Private First Class 10 Rep 183 Posts Drives: BMW E92 335i N55 Join Date: Jan 2017 Location: Leicester UK iTrader: (0)	335d tuning advice Hello all, Need some advice if possible. I have just sold my 08 335i and my winter car that has been sorn for three years lol.. A w reg c class, and have left a deposit on a 2010 335d. I am due to pick the car up on 1st April and currently planning on prepping the car for daily usage. I have no intention of keeping the dpf for starters and have been reading about what else to do. I am planning on swirl flaps removal, egr delete and dpf delete but unable to find a decent garage that is able to do all of this. Does anyone no of any reputable tubing company that can carry out this ? Any advice for longevity for a 335d, it has 50k miles. As always all advice is welcome and much appreciated !
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03-16-2018, 03:23 AM	#2
rasa bmw Colonel 246 Rep 2,025 Posts Drives: 640d sport/f31 330d x drive Join Date: Jul 2017 Location: northumberland iTrader: (0)	i would have a look at bwchiptune..probably the best a most knowledgable tuner in the game,next car i buy will go to them,i will travel and stay in hotel to do so...they will test your car before any work is done on it,,and they will tell you evry detail about what you can do etc,you do not need to take the dpf off either,they will explain everything to you..honestly..give them a bell
	Appreciate 0 Quote

03-16-2018, 03:54 AM	#3
nick46 Captain 344 Rep 635 Posts Drives: Bmw E91 lci 330d msport Join Date: Aug 2017 Location: Bridgwater iTrader: (0)	Definitely bwchiptune. They recently remapped my 2010 330d and they certainly know what they're on about. Also as rasa says - and also Jason from bwchiptune will tell you there is absolutely no need to remove the dpf. You don't even need to delete the egr, it can simply be programmed to stay shut, which is what they did with mine. When it came to tuning I did a lot of research and bwchiptune certainly seem to be the best in the game. I travelled all the way from somerset for them to tune my car and I'm glad I did. My 330d is now 317bhp and 673nm of torque.
	Appreciate 0 Quote

03-16-2018, 05:09 AM	#4
Silver Streek Captain 139 Rep 628 Posts Drives: 325d E91 Join Date: Feb 2018 Location: The Moon iTrader: (0)	As they other guys have said you don't need to get rid of the DPF, and indeed you shouldn't. MOT rules are changing fast and they will be testing emissions to detect whether it is still in place. Everyone that has deleted them will soon find they have to them refitted I reckon.
	Appreciate 0 Quote

03-19-2018, 05:56 PM	#6
YH10 Private First Class 10 Rep 183 Posts Drives: BMW E92 335i N55 Join Date: Jan 2017 Location: Leicester UK iTrader: (0)	Thanks for all the responses guys ! I got in touch with bwchiptuning and didn't manage to speak to Jason, I spoke to Chris (Jason's son) To be completely honest they were not to keen on assisting with the dpf removal, which I can appreciate. My go to place would be evolve, however they are also only prepared to map the car.. Surely some reputable tuning place would be able to all the bits ? Any actual 335d owners who've had any work done to the car able to advise
	Appreciate 0 Quote

03-19-2018, 06:17 PM	#7
bfleming First Lieutenant 101 Rep 373 Posts Drives: Merc, VW, Porsche, Suzuki Join Date: Dec 2016 Location: Herts, UK iTrader: (0) Garage List 2013 BMW 525d F11 [0.00]	Reputable places won't do DPF removals, and that's going to be your issue. Assuming you're doing the annual mileage to justify a diesel - or at least long enough runs for the DPF to regenerate - you'll be fine. As for the EGR delete, swirl flaps etc that you mention, it's almost as if you've made a list based on any early E90 diesel weaknesses to address. Does a 2010 335d still have the troublesome swirl flaps, thermostats etc from the earlier M57 cars? I know the N47/N57's don't. Personally I'd look to enjoy the car as is for at least a few weeks of ownership before deciding what it needs.
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03-19-2018, 06:56 PM	#8
bishbosh Colonel 979 Rep 2,155 Posts Drives: F30 335d Join Date: Oct 2013 Location: Sheffield iTrader: (1) Garage List 2014 BMW 335d [0.00]	As above, removing the dpf is storing up problems for the future, what with the mot test getting stricter each year. A 2010 335d will still have the M57 engine, technically the M57N2 incarnation, it should be pretty bulletproof!
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03-19-2018, 07:44 PM	#9
nick46 Captain 344 Rep 635 Posts Drives: Bmw E91 lci 330d msport Join Date: Aug 2017 Location: Bridgwater iTrader: (0)	My 2010 330d has the N57 engine so surely the 335d should be the same as they're both LCI models?
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03-19-2018, 08:07 PM	#10
bishbosh Colonel 979 Rep 2,155 Posts Drives: F30 335d Join Date: Oct 2013 Location: Sheffield iTrader: (1) Garage List 2014 BMW 335d [0.00]	Nope, the twin turbo 335d in the e9x kept the M57 engine. Nothing to do with it being lci or not. The F series 335d uses the N57Z engine, but this is now a single turbo design.
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03-20-2018, 05:20 PM	#11
YH10 Private First Class 10 Rep 183 Posts Drives: BMW E92 335i N55 Join Date: Jan 2017 Location: Leicester UK iTrader: (0)	Reason for the mods before getting the car is due to me going to see a 2011 335d. Test drove it and boost didn't kick in till 3.5k rpm. The technician had a look and there was a oil leak from the swirl flaps, egr was blocked and a boost valve. I guess I just don't want the hassle of dealing with this and since these are common faults wanted them to be done beforehand. Id rather deal with re-installing the dpf as and when required. I've read about Avon tuning, need to give them a call. Anyone had any work done with them at all ?
	Appreciate 0 Quote

03-20-2018, 05:59 PM	#12
bishbosh Colonel 979 Rep 2,155 Posts Drives: F30 335d Join Date: Oct 2013 Location: Sheffield iTrader: (1) Garage List 2014 BMW 335d [0.00]	Boost not kicking in until that rpm is most likely a faulty boost hose or pressure converter. Boost usually kicks in about 1500rpm.
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03-20-2018, 06:37 PM	#13
bfleming First Lieutenant 101 Rep 373 Posts Drives: Merc, VW, Porsche, Suzuki Join Date: Dec 2016 Location: Herts, UK iTrader: (0) Garage List 2013 BMW 525d F11 [0.00]	I'd walk away from one with issues on Day 1 rather than planning to throw money at it that may/may not resolve the fundamental issues. Have you already committed to it?
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03-20-2018, 06:49 PM	#15
bfleming First Lieutenant 101 Rep 373 Posts Drives: Merc, VW, Porsche, Suzuki Join Date: Dec 2016 Location: Herts, UK iTrader: (0) Garage List 2013 BMW 525d F11 [0.00]	OK I get where you're coming from now. That first one sounded like a bit of a neglected puppy; next one sounds a lot better. I stick with what I said earlier though - get it, enjoy it, then see how to make it better, rather than throwing money at it to cure faults it doesn't have (& may not ever have).
	Appreciate 0 Quote