2010 X3 3.0d E83

[Gert Moller]

Good day everybody.

I purchased a clean X3 3.0d in 2025, with only 165 000km on the odo at the time of purchase. The vehicle has full service history. It is now almost a year later. I have done a oil service with various filters, last year af the purchase.

I need to do the next service and need advice what do I need to look at. The gearshifts are smooth, it pulls like a train. This is also my first diesel vehicle.

I have read a lot on DPF, EGR and swirl flap delete with a stage 1 tune. Would it still be beneficial to do this and what are the real life pro's and con's to do this.

Any additional suggestions or advice would be appreciated.

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[BMW786GP]

@Xcede Performance

 

[///M Individual]

Wow car looks super clean!

I am not too familiar with the M57 but probably have the vibration damper inspected for cracks, change coolant and brake fluid. I am not sure what the gearbox history is but might be too far along to get it serviced at this mileage (ZF will test before advising you). Also worth doing the diff and transfer case oils.

You don't have a DPF but definitely remove the catalytic converter and replace with a downpipe which you can read up on the benefits of.

Thereafter have an ECU remap done to disable the EGR and Swirl flaps you mentioned so you reduce the chance of them breaking and causing expensive repairs later on.

 

[Benji]

What a lovely thing!

As above, changing all your fluids is never a bad idea. EGR delete will prolong the life of your engine and reduce the chances of costly repairs down the line. Well worth doing a mild tune while you are at it

 

[Gert Moller]

Wow car looks super clean!

I am not too familiar with the M57 but probably have the vibration damper inspected for cracks, change coolant and brake fluid. I am not sure what the gearbox history is but might be too far along to get it serviced at this mileage (ZF will test before advising you). Also worth doing the diff and transfer case oils.

You don't have a DPF but definitely remove the catalytic converter and replace with a downpipe which you can read up on the benefits of.

Thereafter have an ECU remap done to disable the EGR and Swirl flaps you mentioned so you reduce the chance of them breaking and causing expensive repairs later on.

Good day,

I just want to be sure with regards to the dpf, what i have read is that the 2010 M57 which would be a late 2009 built does have a dpf. This is all new to me, how would I know if it has or not.

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[Gert Moller]

Who would you guys recommend to do the downpipe? Should the pipe be of certain material like stainless steel or something else. I want to do it correct the first time.

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[///M Individual]

Good day,

I just want to be sure with regards to the dpf, what i have read is that the 2010 M57 which would be a late 2009 built does have a dpf. This is all new to me, how would I know if it has or not.

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As I said I am not familiar with the M57 but my F series N47/N57 do not have DPF's while European versions do - so I suspect the Euro versions of your car had DPFs.

Who would you guys recommend to do the downpipe? Should the pipe be of certain material like stainless steel or something else. I want to do it correct the first time.

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Where are you based? Members can recommend a service provider.

 

[Gert Moller]

As I said I am not familiar with the M57 but my F series N47/N57 do not have DPF's while European versions do - so I suspect the Euro versions of your car had DPFs.


Where are you based? Members can recommend a service provider.

I am based in Pretoria, i would say shops in Gauteng. I have read of promotions where the dpf/cat is taken and then a downpipe is down for the same value.

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[///M Individual]

I am based in Pretoria, i would say shops in Gauteng. I have read of promotions where the dpf/cat is taken and then a downpipe is down for the same value.

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Jhb guys can chime in here.

Regarding the promotions, do your numbers first. Cat prices are currently high so you should rather pay for the downpipe, keep you Cat then sell it as you will probably make more money that way. On both my cars I paid around R2500 for the downpipe then sold the Cat for R3200 (F30 320d) and R5000 (F25 30d just last week - hence I know prices are high at the moment)

 

[Schalk94]

I am based in Pretoria, i would say shops in Gauteng. I have read of promotions where the dpf/cat is taken and then a downpipe is down for the same value.

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I had the downpipe on my car done at Raza Automotive a couple of days ago.They have a free downpipe special on most BMW's currently.Contact them to see whether your car qualifies

 

[1 Eyed Monkey]

Raza Automotive in Midrand.

 

[Gert Moller]

Good afternoon.

Confirmed my X3 doesnt have a dpf, it has a cat which has alrwady been gutted. My next question is who would you recommend to purchase the swirl flap delete kit from? I see that there are kits available on Temu, but i dont trust the quility that its made of. I want to do a stage 1 map with the egr delete and swirl flap delete as well and then the coolant (manifold or flange) replacement. What else would your recommend?

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[Schalk94]

Good afternoon.

Confirmed my X3 doesnt have a dpf, it has a cat which has alrwady been gutted. My next question is who would you recommend to purchase the swirl flap delete kit from? I see that there are kits available on Temu, but i dont trust the quility that its made of. I want to do a stage 1 map with the egr delete and swirl flap delete as well and then the coolant (manifold or flange) replacement. What else would your recommend?

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I imported my M57 330d's swirl flap delete kit from Ebay back then and the quality was more that adequate.It is a very simple plug and gasket for each port,so I would honestly risk it with the Temu kits.Just read a few reviews and make an informed decision.

Your car should also require the 32/33mm delete kit,not 22mm.

 

[Gert Moller]

I imported my M57 330d's swirl flap delete kit from Ebay back then and the quality was more that adequate.It is a very simple plug and gasket for each port,so I would honestly risk it with the Temu kits.Just read a few reviews and make an informed decision.

Your car should also require the 32/33mm delete kit,not 22mm.

I have read that some engines in the same year where fitted with the 22 or 33mm. It wasn't a specific fit to a model range. I could be wrong but that is what I read.

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[Schalk94]

I have read that some engines in the same year where fitted with the 22 or 33mm. It wasn't a specific fit to a model range. I could be wrong but that is what I read.

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As far as I understand the TU/TU2 motors all had 33mm swirl flaps.The only year where some cars had 22 and other 33mm swirl flaps,was in 2004

 

[Gert Moller]

As far as I understand the TU/TU2 motors all had 33mm swirl flaps.The only year where some cars had 22 and other 33mm swirl flaps,was in 2004


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Great, thank you for the advice.

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