I’ve just bought one off eBay from Germany.
“Original BMW Z4 carbon diffuser for BMW Z4 E85 E86 51710410384 aerodynamics. Condition: New". Shipping with DHL package up to 2 kg.
Original packed! With all accessories”
Hopefully it’s a quick delivery
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E85 rear oem carbon diffuser / Oem Part number 51710410384
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- Location: Newcastle upon Tyne
E85 rear oem carbon diffuser / Oem Part number 51710410384
Now: Z4MC Titan Silver
Gone: E86 3.0Si Sport Titan Silver - M exhaust + bumper - Battery Relocated - Aero Front
E86 3.0Si Sport Silver Grey - Carbon Diffuser - Aero Kit - B/Box Mod - Storm MW V2
E85 2.5 Si Sport Titan Silver
Gone: E86 3.0Si Sport Titan Silver - M exhaust + bumper - Battery Relocated - Aero Front
E86 3.0Si Sport Silver Grey - Carbon Diffuser - Aero Kit - B/Box Mod - Storm MW V2
E85 2.5 Si Sport Titan Silver
- Darkangelv2
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- Posts: 1277
- Joined: Fri Apr 10, 2015 1:20 pm
- Location: Southampton
E85 rear oem carbon diffuser / Oem Part number 51710410384
Wow - well done! You don’t have the sellers details do you?
BMW Z4 2006 2.5SI - 437M Wheels - Strut Brace - H&R ARBs
3.0si Brake Conversion - Custom Nappa Sport Interior - Z4M Bumper+Bonnet -
BC Racing BR Coilovers - AFE Stage 2
3.0si Brake Conversion - Custom Nappa Sport Interior - Z4M Bumper+Bonnet -
BC Racing BR Coilovers - AFE Stage 2
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- Senior Member
- Posts: 1103
- Joined: Sun Dec 20, 2015 9:38 pm
- Location: Newcastle upon Tyne
E85 rear oem carbon diffuser / Oem Part number 51710410384
Not sure how he got his hands on a boxed as new one, it looks like he is a breakers. He does have a set of Aero skirts for sale but they are crazy money as you can imagine
Now: Z4MC Titan Silver
Gone: E86 3.0Si Sport Titan Silver - M exhaust + bumper - Battery Relocated - Aero Front
E86 3.0Si Sport Silver Grey - Carbon Diffuser - Aero Kit - B/Box Mod - Storm MW V2
E85 2.5 Si Sport Titan Silver
Gone: E86 3.0Si Sport Titan Silver - M exhaust + bumper - Battery Relocated - Aero Front
E86 3.0Si Sport Silver Grey - Carbon Diffuser - Aero Kit - B/Box Mod - Storm MW V2
E85 2.5 Si Sport Titan Silver
- Darkangelv2
- Senior Member
- Posts: 1277
- Joined: Fri Apr 10, 2015 1:20 pm
- Location: Southampton
E85 rear oem carbon diffuser / Oem Part number 51710410384
Thanks - just checked him out - WOW, you really wanted that carbon diffuser!!
Make sure you provide us lots of photos once its on!
BMW Z4 2006 2.5SI - 437M Wheels - Strut Brace - H&R ARBs
3.0si Brake Conversion - Custom Nappa Sport Interior - Z4M Bumper+Bonnet -
BC Racing BR Coilovers - AFE Stage 2
3.0si Brake Conversion - Custom Nappa Sport Interior - Z4M Bumper+Bonnet -
BC Racing BR Coilovers - AFE Stage 2
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- Senior Member
- Posts: 1103
- Joined: Sun Dec 20, 2015 9:38 pm
- Location: Newcastle upon Tyne
E85 rear oem carbon diffuser / Oem Part number 51710410384
Haha I sure did I was think about possibly trying to get it replicated and back into production. Not sure if I would get a telling off by BMW thoughDarkangelv2 wrote: ↑Mon Feb 15, 2021 11:39 amThanks - just checked him out - WOW, you really wanted that carbon diffuser!!
Make sure you provide us lots of photos once its on!
Now: Z4MC Titan Silver
Gone: E86 3.0Si Sport Titan Silver - M exhaust + bumper - Battery Relocated - Aero Front
E86 3.0Si Sport Silver Grey - Carbon Diffuser - Aero Kit - B/Box Mod - Storm MW V2
E85 2.5 Si Sport Titan Silver
Gone: E86 3.0Si Sport Titan Silver - M exhaust + bumper - Battery Relocated - Aero Front
E86 3.0Si Sport Silver Grey - Carbon Diffuser - Aero Kit - B/Box Mod - Storm MW V2
E85 2.5 Si Sport Titan Silver
- Calps
- Member
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- Joined: Fri Nov 22, 2019 9:23 pm
- Location: Ireland
E85 rear oem carbon diffuser / Oem Part number 51710410384
Hi Doddsy,
I've managed to acquire one of these as well, albeit second hand. I'm wrestling with how I'll fit however, as I have a hunch that the original came with a template of sort that you overlay onto the rear bumper to help with cutting & fitment. Did one come with yours? Would you still have it? If not, how did you go about fitting it? (actually, even if it didn't come with one, I'd welcome your thoughts on fitting it!)
Any tips/do's/don'ts would be greatly appreciated.
Calps
MelZ: Black Sapphire Z4C
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- Joined: Sun Dec 20, 2015 9:38 pm
- Location: Newcastle upon Tyne
E85 rear oem carbon diffuser / Oem Part number 51710410384
It did but it was a sticker you place on your bumper so you can cut out and drill. Once that’s done it’s a lot easier to then fix the diffuser to the bumper if you remove the bumper from the car. Mine came with the original fixings that had metal rods welded to make it easier to feed them through and then they just snap off if any of that makes sense as it’s quite tight and fiddly bolting it together. Just make sure the fins line up with the lines in the bumper where the registration plate is as the template kicks it out of alignment to the right slightly. Also started cutting the bumper with my dremel but then used my Multitool with a wide blade and that cut through nicely.Calps wrote: ↑Mon Jul 04, 2022 4:05 pmHi Doddsy,
I've managed to acquire one of these as well, albeit second hand. I'm wrestling with how I'll fit however, as I have a hunch that the original came with a template of sort that you overlay onto the rear bumper to help with cutting & fitment. Did one come with yours? Would you still have it? If not, how did you go about fitting it? (actually, even if it didn't come with one, I'd welcome your thoughts on fitting it!)
Any tips/do's/don'ts would be greatly appreciated.
Calps
Now: Z4MC Titan Silver
Gone: E86 3.0Si Sport Titan Silver - M exhaust + bumper - Battery Relocated - Aero Front
E86 3.0Si Sport Silver Grey - Carbon Diffuser - Aero Kit - B/Box Mod - Storm MW V2
E85 2.5 Si Sport Titan Silver
Gone: E86 3.0Si Sport Titan Silver - M exhaust + bumper - Battery Relocated - Aero Front
E86 3.0Si Sport Silver Grey - Carbon Diffuser - Aero Kit - B/Box Mod - Storm MW V2
E85 2.5 Si Sport Titan Silver
- Calps
- Member
- Posts: 360
- Joined: Fri Nov 22, 2019 9:23 pm
- Location: Ireland
E85 rear oem carbon diffuser / Oem Part number 51710410384
Thanks for the info Doddsy, that aligns with what I suspected to date. Although the diffuser is no longer available, I wonder if BMW might still have the sticker template? I'll drop them a mail and see.Doddsy wrote: ↑Mon Jul 04, 2022 5:22 pm It did but it was a sticker you place on your bumper so you can cut out and drill. Once that’s done it’s a lot easier to then fix the diffuser to the bumper if you remove the bumper from the car. Mine came with the original fixings that had metal rods welded to make it easier to feed them through and then they just snap off if any of that makes sense as it’s quite tight and fiddly bolting it together. Just make sure the fins line up with the lines in the bumper where the registration plate is as the template kicks it out of alignment to the right slightly. Also started cutting the bumper with my dremel but then used my Multitool with a wide blade and that cut through nicely.
Failing that, I'll just have to wing it, line it up as best I can.
MelZ: Black Sapphire Z4C