[Steeve]

My wife has had almost every iteration of the Cooper with several of the three cylinder models. Just my own opinion is that the three cylinder is the worst of all Mini engines, you always have to be in a gear or two lower. The three is only happy at 30 in third, where as the MCS engine is smooth as silk with immediate acceleration in any gear.
Why tune a 1.5 when you can have the same or more output without risking any warranty you may have. Plus the chassis components like brakes and suspension are also uprated. Modified cars lose their value like a stone too.

 

[TheBurras]

I have the full quicksilver on my 1.5, but a bit too intrusive on motorway for my liking even with sound deadening added

bizarrely its quieter in sport mode at 70mph, it does sound fantastic though when your in the mood, quicksilver said it would quieten with miles, sadly that's not been my experience, or if it has its pretty marginal

 

[Snufkin]

My wife has had almost every iteration of the Cooper with several of the three cylinder models. Just my own opinion is that the three cylinder is the worst of all Mini engines, you always have to be in a gear or two lower. The three is only happy at 30 in third, where as the MCS engine is smooth as silk with immediate acceleration in any gear.
Why tune a 1.5 when you can have the same or more output without risking any warranty you may have. Plus the chassis components like brakes and suspension are also uprated. Modified cars lose their value like a stone too.

I broadly agree with your comment regarding the gearing on the three cylinder engine. In addition to the gearing, its ‘grumpy’ at low revs which makes it hard work in stop/start traffic. The four cylinder is smoother, more relaxing and has much more low down torque as you really benefit from the twin scroll turbo (which the three pot doesn’t have).

In my experience the only things you lose with the four pot is the wonderful three cylinder howl when you open it up and of course the four cylinder engine uses more fuel.

 

[bagbag]

I broadly agree with your comment regarding the gearing on the three cylinder engine. In addition to the gearing, its ‘grumpy’ at low revs which makes it hard work in stop/start traffic. The four cylinder is smoother, more relaxing and has much more low down torque as you really benefit from the twin scroll turbo (which the three pot doesn’t have).

In my experience the only things you lose with the four pot is the wonderful three cylinder howl when you open it up and of course the four cylinder engine uses more fuel.

hi guys,

I kinda have to disagree here, personally i love my 2020 1.5T JCW - and i don't know if they have also upgraded other things with this in fact, this was a release from factory and costed a lot, rev matching, 3 profiles, etc - suspensions are really hard, i think it's pretty unique. Have already upgraded brakes with Semi-race Zimmermann, brake lines, brake pads which are superb.

And pretty excited for a few mods i purchased: Uprated Forge intercooler, Forge High flow intake pipe and chip tuning from my trusty mech which should go at 160-165 HP plus i run a BMC F1 sport filter since ages already.

I haven't noticed any "lows" much in low gears as you described, it pulls incredibly well, yes 3rd is the most exciting gear, again don't know if it's because of the filter, but i tested a 30% increase in acceleration in 2nd and 3rd if i recall. Mine is a manual and car does 180 km/h only in 3rd gear which isn't bad right? Have never tested full speed to be honest lol - so pretty curious to see what's gonna happen with the mods if i go for a "autobahn test". wife will not like that though haha.

Oh and if you drive a little "slow" you can still do 5-6% / 100 km. I do a lot of highway and this isn't bad. When some crazy dude comes on ok floor it and that's that. haha

I am past warranty right now so doesn't matter and the tuning via my mech will not go crazy as he's very conservative and i trust him fully.

 

[TheBurras]

not that unique, my 2014 cooper has rev matching, drive modes and stiffer suspension from factory

 

[un1eash]

My friends partner has a 1.5 manual and says it does labour at low speeds and being use to an auto he kept stalling it.
Don't see the point in tuning the 1.5, unless you throw money at it, it'll still be slower then a Cooper S/JCW from factory.

 

[bagbag]

My friends partner has a 1.5 manual and says it does labour at low speeds and being use to an auto he kept stalling it.
Don't see the point in tuning the 1.5, unless you throw money at it, it'll still be slower then a Cooper S/JCW from factory.

i wouldn't even consider an auto, will keep the Manual for as long as i can LOL - maybe it's him that cannot drive an M or clutch was finished? j/k.

not the JCW of course, is like a JCW versus a Ferrari, you ain't gonna win.

i heard of 1.5T Coopers with some tuning being as fast as an S stock (being heavier) for less of the actual money you need to buy an S and you still consume less than the 2L. i think for mine the S was like another 6000-8000€ more plus higher fuel economy, can't remember.. and we were living in NL with 2.30€/liter for 100oct i said NO thanks although of course would've been nice. We do long travels with the mini.

Do you guys do what 9-10% /100 km with the S? or less?

Anyhow as for mine i am just doing it for fun, it's not that i am doing racing or anything, plus with the traffic and idiots driving changing lanes (oh gosh those people) these days, OK fine go in autobahn or go to a racetrack, but other than that, where are you really USING it?

Even the normal cooper ok can do 200-215 km/h (actual speed) and that's more than enough. Actually i've never pushed mine to the max, maybe i should go to Germany soon. 😁

 

[bagbag]

not that unique, my 2014 cooper has rev matching, drive modes and stiffer suspension from factory

do you have also the full JCW aesthetics ? thought our hybrid was unique lol. in Starlight blue / white roof. I personally love that spec, although it was waaay too expensive when i think about it lol

 

[NBCGLX]

My friends partner has a 1.5 manual and says it does labour at low speeds and being use to an auto he kept stalling it.
Don't see the point in tuning the 1.5, unless you throw money at it, it'll still be slower then a Cooper S/JCW from factory.

I think the point for some of us is that the 3-cylinder models are lighter overall, and the majority of that weight savings is over the front end. Also, many of us prefer the way the 3-cylinder sounds. There's also something to be said for modifying and tuning a model that normally gets neglected I'm quite happy with my 3-cylinder F57 with the manual, especially after adding an intake, ECU remap, and exhaust. I don't think the 3-cylinder labors at low speeds, it's just not quite as tractable as the 4-cylinder (which I have in my F60). I absolutely agree with what many here have shared about the manual transmission in the 3-cylinder, however, which is that it's overall geared very tall, very oddly tall. But hey, even in 100% stock form, the F5X Cooper is faster than a factory R53 was.

 

[Enabled]

This is an interesting discussion and follows pretty much exactly like other discussions on most car forums.

On the BMW M2 forums, the debate never ends with the OG (N55 engine) M2 vs. M2 Competition, and then the new player that came in, the M2CS. Each owner defends their choice as:
OG M2: N55 sounds better and is a lighter car
M2C: S55 has more power and capacity for power. The bumper changes make it look sharper
M2CS: Rarity, however, it's not really that different from an M2C. There are some cool parts on it though.

If I had either one of those? I'd tune it. (in fact, it is tuned)

If I had a B38 Mini? I'd tune it.
It should not be for the fact of comparison to the Mini Cooper S, or for any other justification... because a tuned S will always be faster than a tuned B38. (Interestingly, a tuned JCW vs. tuned S really evens out the playing field between the two.)

Tune it for yourself and for your enjoyment! I know I would!

 

[Steeve]

But why spend a load of money tuning a cooper to a whole 150 bhp or so when you can get a cooper S with 180?
Not only have you stressed the engine past what its designed to produce reliably, lost your warranty if you had any but you've dramatically reduced the value of the car. To get the best safe outcome you need to upgrade the brakes and suspension and pay that increased insurance premium too.

 

[EMitch]

@EMitch, I have a Cooper 1.5 LCI 2019, with QuickSilver Sport Exhaust. When I was searching for it, I also compared videos of the SuperSprint one.
I have original catalytic, and asp have kept original stock resonator. I installed only QuickSilver connection tube after the original resonator, and the smaller rear muffler.

Sound is awesome! I love it. My Cooper is also my daily. Not even my wife complains of the sound. I encourage you on doing the same. Go with QuickSilver.

Reach to me on Instagram.com/cunhah, I can share photos.

It was nice to go over this thread again.

All the best to the Cooper 1.5 Owners!

Thanks for the information! I took a look at your video and it sounds amazing! If you don't mind me asking, how much did you have to pay extra from the import duty fees? I'd be paying in USD, but do you remember what PERCENTAGE the UK charges for that stuff? Like 15% extra or something like that? Thanks

 

[NBCGLX]

Thanks for the information! I took a look at your video and it sounds amazing! If you don't mind me asking, how much did you have to pay extra from the import duty fees? I'd be paying in USD, but do you remember what PERCENTAGE the UK charges for that stuff? Like 15% extra or something like that? Thanks

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