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My Z4 28i
- JimsZ
- Member
- Posts: 489
- Joined: Thu Oct 29, 2015 10:15 pm
- Location: Hampshire
My Z4 28i
Hope you kept the parts you might have an issue come MOT time...
I did the same to a Vauxhall GSi a good few years ago, with a number of other preformance upgrades I went and did a de CAT back straight through to a back box in 76mm stainess steel (Bastuck) Exhuast.
Sounded great, helped the performance upgrades overall but as the years passed and the MOT rules got tighter I started getting questioned at my regular MOT station as to where is the middle section silencer. To get round it I bit the bullet and bought the sports mid silencer to suit the exhaust. Still sounded great and went like it was supposed to but with no more questions or worries MOT time.
Awful drone at motorway speeds with no mid section silencer too but I just lived with it as I did very littel M way driving back then.
Video clips sound
I did the same to a Vauxhall GSi a good few years ago, with a number of other preformance upgrades I went and did a de CAT back straight through to a back box in 76mm stainess steel (Bastuck) Exhuast.
Sounded great, helped the performance upgrades overall but as the years passed and the MOT rules got tighter I started getting questioned at my regular MOT station as to where is the middle section silencer. To get round it I bit the bullet and bought the sports mid silencer to suit the exhaust. Still sounded great and went like it was supposed to but with no more questions or worries MOT time.
Awful drone at motorway speeds with no mid section silencer too but I just lived with it as I did very littel M way driving back then.
Video clips sound
E89/28i Msport gone .. Zx10r track bike gone… time for a KTM 350 exc-f and some green laning and dirt bike excursions…. Let’s see how this goes… :
- SteveSmith
- Member
- Posts: 760
- Joined: Wed Nov 16, 2016 11:33 am
My Z4 28i
I’d recommend the Burger Motorsport Stage 1 Tuning Box
28i M Sport - Alpine White / Canberra Beige, 19" M359’s, H&R’s / Eibachs, BMS Stage 1 - 271bhp, Front Splitter, CF Rear Lip, Alcantara Steering Wheel and Brembo 4 pots
- SteveSmith
- Member
- Posts: 760
- Joined: Wed Nov 16, 2016 11:33 am
My Z4 28i
MOT shouldn’t be an issue.JimsZ wrote: ↑Wed Jan 10, 2018 11:16 pmHope you kept the parts you might have an issue come MOT time...
I did the same to a Vauxhall GSi a good few years ago, with a number of other preformance upgrades I went and did a de CAT back straight through to a back box in 76mm stainess steel (Bastuck) Exhuast.
Sounded great, helped the performance upgrades overall but as the years passed and the MOT rules got tighter I started getting questioned at my regular MOT station as to where is the middle section silencer. To get round it I bit the bullet and bought the sports mid silencer to suit the exhaust. Still sounded great and went like it was supposed to but with no more questions or worries MOT time.
Awful drone at motorway speeds with no mid section silencer too but I just lived with it as I did very littel M way driving back then.
Video clips sound
No drone at all with the standard rear silencer. They told me if I swap that for and aftermarket silencer that isn’t chambered then it will drone a lot!
28i M Sport - Alpine White / Canberra Beige, 19" M359’s, H&R’s / Eibachs, BMS Stage 1 - 271bhp, Front Splitter, CF Rear Lip, Alcantara Steering Wheel and Brembo 4 pots
- JimsZ
- Member
- Posts: 489
- Joined: Thu Oct 29, 2015 10:15 pm
- Location: Hampshire
My Z4 28i
That's a great result
A good alternative to spending close to 1.2k (what I was originally quoted when I looked into performance tuning upgrades) for a custom made exhaust tuned to a sound of your choice.
A good alternative to spending close to 1.2k (what I was originally quoted when I looked into performance tuning upgrades) for a custom made exhaust tuned to a sound of your choice.
E89/28i Msport gone .. Zx10r track bike gone… time for a KTM 350 exc-f and some green laning and dirt bike excursions…. Let’s see how this goes… :
- SteveSmith
- Member
- Posts: 760
- Joined: Wed Nov 16, 2016 11:33 am
My Z4 28i
I’m so happy with this at the moment!
Front Splitter is on, hopefully have some H&R springs on soon to get the front sitting lower and I’m nearly done!
I’ve also ordered some Carbon Fibre Exhaust tips to see what they look like!
Front Splitter is on, hopefully have some H&R springs on soon to get the front sitting lower and I’m nearly done!
I’ve also ordered some Carbon Fibre Exhaust tips to see what they look like!
28i M Sport - Alpine White / Canberra Beige, 19" M359’s, H&R’s / Eibachs, BMS Stage 1 - 271bhp, Front Splitter, CF Rear Lip, Alcantara Steering Wheel and Brembo 4 pots
- Smartbear
- Lifer
- Posts: 13685
- Joined: Wed Feb 05, 2014 6:54 pm
- Location: a barn in Somerset
My Z4 28i
Looking sharp Steve have you attempted to remove the standard exhaust tips yet? I’ve heard they can be difficult to remove
Rob
Rob
e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold
- SteveSmith
- Member
- Posts: 760
- Joined: Wed Nov 16, 2016 11:33 am
My Z4 28i
I’m going to have the splitter wrapped in Gloss Black to match the bar / Grills as I’m having the rear diffuser wrapped in gloss black to!
28i M Sport - Alpine White / Canberra Beige, 19" M359’s, H&R’s / Eibachs, BMS Stage 1 - 271bhp, Front Splitter, CF Rear Lip, Alcantara Steering Wheel and Brembo 4 pots
- SteveSmith
- Member
- Posts: 760
- Joined: Wed Nov 16, 2016 11:33 am
My Z4 28i
Nothing an air powered hacksaw won’t fix!
I’m having them properly welded on!
28i M Sport - Alpine White / Canberra Beige, 19" M359’s, H&R’s / Eibachs, BMS Stage 1 - 271bhp, Front Splitter, CF Rear Lip, Alcantara Steering Wheel and Brembo 4 pots
- SteveSmith
- Member
- Posts: 760
- Joined: Wed Nov 16, 2016 11:33 am
My Z4 28i
These...
Or these...
Or these...
28i M Sport - Alpine White / Canberra Beige, 19" M359’s, H&R’s / Eibachs, BMS Stage 1 - 271bhp, Front Splitter, CF Rear Lip, Alcantara Steering Wheel and Brembo 4 pots
- SteveSmith
- Member
- Posts: 760
- Joined: Wed Nov 16, 2016 11:33 am
My Z4 28i
They’re about £120 for the pair.
The ///M ones are straight cut which I don’t think will look right. They’re an 80mm outlet which is about max you’d want with the twin exit on one side.
The Akrapovic tips are slash cut and 76mm outlet which I think will look better.
So I’m 90% sure on the Akrapovic ones (I just wish you could have them unbranded!).
28i M Sport - Alpine White / Canberra Beige, 19" M359’s, H&R’s / Eibachs, BMS Stage 1 - 271bhp, Front Splitter, CF Rear Lip, Alcantara Steering Wheel and Brembo 4 pots
- Smartbear
- Lifer
- Posts: 13685
- Joined: Wed Feb 05, 2014 6:54 pm
- Location: a barn in Somerset
My Z4 28i
I was looking at those a while back, can’t you get unbranded, pattern ones from eBay?SteveSmith wrote: ↑Sat Feb 03, 2018 7:49 pmThey’re about £120 for the pair.
The ///M ones are straight cut which I don’t think will look right. They’re an 80mm outlet which is about max you’d want with the twin exit on one side.
The Akrapovic tips are slash cut and 76mm outlet which I think will look better.
So I’m 90% sure on the Akrapovic ones (I just wish you could have them unbranded!).
Rob
e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold