[Guest]

I'll be doing a fully bushed exchange subframe to make it easier for people wanting to go that route

I like that idea. Simplifies the swap so much.

 

[ABGSY]

Money no object and we're bottoming out at 2k€?

Nitron, real ohlins not road and track, penske, Quantom QRS zero...

Now we're talking proper suspension, custom valved nitrons or real ohlins would probably be enough for anyone but if money REALLY is no object I would go visit Wurth and see what they could do for me.

'Proper' is what I am wanting - JRZ is another option although seemingly hard to get hold of. I'll let you all know once I have placed an order! Should see lots of track time from Easter 👍

 

[ABGSY]

There's different levels of compliance available in poly bushes.
I would do the full works when suspension is off. Would do the subframe bushes as well rather than using inserts just to make it a track weapon and stiffen it all up. Hope that helps. You'll need to get some pics up if you go ahead with the track build.

Cool I'll get it done at the same time front and rear

 

[Aadil717]

Money no object for track I'd be looking at a set of Nitrons, heard good things about AST 5300 coilovers too. However I'm not sure there are many available for the M135i...

 

[M140i_man_RWD]

If the question is money sort of no object but still reasonable, then yes, Bilstein B16 for mixed use or KW V3, KW Clubsport or Bilstein Clubsport for track work.

KW V3 is NOT not a track suspension, it's a better (better valves = more comfortable / compliant) version of V1 or V2 which are also pure street suspension.
All V1,V2,V3 have same springs which are more on the soft/comfortable side with ca 40N/mm front and 110N/mm rear.
KW V3 is probably the best road suspension you can buy, very comfortable but still handles well, probably the perfect compromise between comfort and sport handling.

B16 is a bit stiffer than V3, so maybe between street & some mild track use.

Both Bilstein Clubsport & KW 2way or 3way Clubsport are far more hard & track focused than KW V3:
Stiff spring rates, adjustable camber plates ...

 

[sgb27]

Money no object for track ... why not start with something designed for the track rather than modifying a heavy family hatchback? You'll end up at best with something uncomfortable to drive on the road and average on track.

 

[ABGSY]

Money no object for track ... why not start with something designed for the track rather than modifying a heavy family hatchback? You'll end up at best with something uncomfortable to drive on the road and average on track.

Good point but quite simply I just want to do it this way as a project as I have other cars more suited to track. Tbf it will end up being relatively a big improvement and its about the enjoyment too not just the speed
Does less than 1000miles a year on the road

 

[NISFAN]

Don't underestimate an m lite. My modified 240i would kick my M2 competition's ass.

Have it said that, whilst there are better suspension options than B16 or KW V3, the rule of diminishing returns applies.

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[nickfrog]

My modified 240i would kick my M2 competition's ass.

Why the downgrade ?

 

[NISFAN]

My modified 240i would kick my M2 competition's ass.

Why the downgrade ?

There's a question

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[ABGSY]

Bilstein Clubsports it is
I'm unsure about changing the arb's tho. I may leave them stock. Any thoughts?
Cheers

 

[OneTwenty]

My modified 240i would kick my M2 competition's ass.

Why the downgrade ?

There's a question

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The looks maybe, that's the only thing drawing me to an M2 at the minute as real world difference for my driving style is none existent.

 

[Shagga_P]

I've played around with everything from basic direct replacement bilsteins through to hi-end Penske, ohlins, sachs and lots in between. On road cars, to track toys, to time attack cars and Porsche cup cars.

One thing to note. Once you get to the big $ stuff with remote canisters with hi speed/low speed compression adhustment and rebound adjustment you are potentially in for a long pathway to setting them up right. As a group of fairly skilled (but new to the platform) guys running a cup car with new fully adjustable dampers it took us basically a year of testing and racing to get decent settings for just 4-5 race tracks on that car. Think about how many possible combinations you have even with 10-12 settings of hi speed compression, Lo speed compression and rebound. That's before you consider the tyre and tyre pressures or basic geometry changes (toe, camber, castor, etc). Beyond that you can also change the actual internal valve and shim stack inside the damper and then have it mapped on a shock dyno.

My advice is don't go for stuff too complex for a road car/occasional track toy.

Kw has a great rep but I personally haven't enjoyed the cars I've driven with their product and a few people I know have had quality issues. I'll admit it's my bias and a small sample. Just my feeling.

I've had great results from bilsteins from road cars to track cars, including some custom built bilstein shocks.

I think their club sports would be a good option.

I've also had great success with ohlins and run a set of moderately serious remote canister ohlins on my 32 GTR.

For springs, if they come with a set try those for starters. If you find you need something else I would strongly suggest you go with swift. They make fantastic springs (and have supplied all levels of Motorsport including f1 for many years). They are not particularly expensive either.

If it was my car for road use and the odd trackday and I wanted to blow some coin on shocks it'd likely be the ohlins with swift springs, or the bilstein kit. Just a heads up the remote canister type ohlins on my GTR are about $2k USD/corner new. But I would go for something less 'hardcore' in your case.

 

[NISFAN]

Why the downgrade ?

There's a question

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The looks maybe, that's the only thing drawing me to an M2 at the minute as real world difference for my driving style is none existent.

Looks are subjective. I actually prefer the svelte looking M240 to the baboon arsed M2. [emoji16]

Look at this beauty.

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[Torquey]

baboon arsed M2. 😂

 

[OneTwenty]

There's a question

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The looks maybe, that's the only thing drawing me to an M2 at the minute as real world difference for my driving style is none existent.

Looks are subjective. I actually prefer the svelte looking M240 to the baboon arsed M2. [emoji16]

Look at this beauty.

IMG_1474.jpg

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Yes, you might be right actually.

I was thinking of getting an M2, but having seen so many good Mlite vids on YT this week and how good they do against other machines I'm now thinking I may just start modding mine now.

 

[Guest]

Don't underestimate an m lite. My modified 240i would kick my M2 competition's ass.

Obviously never driven an M2 Comp then! funniest thing ive hear anyone say,.

I hate to point out that although there is many differences in the design. The point is you buy a 240 and spend a good few k etc you end with a better car to drive over a stock M2 comp.
If you factor in the price difference between a modded 240 over an M2 comp you still have a cheaper car. If you bought a comp tben spent x amount to make it better. Think how much money you could have thrown at the 240 with the extra cash and had something truly special whilst not necessarily standing out in the crowd. Personally prefer 'blender' cars, always have and always will. Whilst I agree they spent a lot of money in R&D they build a car that caters to all those who will buy them and comfort still is a deciding factor over speed and handling. Nisfans 240 by the sounds of it was tailored to preference which no mass produced factory car is or their market shrinks considerably as it won't please everyone. Each to their own...

 

[docwra]

Obviously never driven an M2 Comp then! funniest thing ive hear anyone say,.

Obviously never properly modified a car then, an 240 with a map would be faster in a straight line than an M2 before you get onto brakes, suspension, tyres etc, even though it says "Competiton" on the boot the M2 is a compromise between economy, comfort, practicality and performance, you only need one of those in your own modified car.
Explain to me how "fitting race spec suspension" would be any different on a 240 than an M2? How is tuning an S55 ever going to be better than a B58? They weigh about the same and have the wheels, engine and gearbox in the same place, they really arent that different.

You might also want to check the spec of NISFANs 240 and what he did with before you start making claims about your road car

 

[NISFAN]

Don't underestimate an m lite. My modified 240i would kick my M2 competition's ass.

Obviously never driven an M2 Comp then! funniest thing ive hear anyone say,.

I hate to point out that although there is many differences in the design. The point is you buy a 240 and spend a good few k etc you end with a better car to drive over a stock M2 comp.
If you factor in the price difference between a modded 240 over an M2 comp you still have a cheaper car. If you bought a comp tben spent x amount to make it better. Think how much money you could have thrown at the 240 with the extra cash and had something truly special whilst not necessarily standing out in the crowd. Personally prefer 'blender' cars, always have and always will. Whilst I agree they spent a lot of money in R&D they build a car that caters to all those who will buy them and comfort still is a deciding factor over speed and handling. Nisfans 240 by the sounds of it was tailored to preference which no mass produced factory car is or their market shrinks considerably as it won't please everyone. Each to their own...

Point well made.

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[NISFAN]

Obviously never driven an M2 Comp then! funniest thing ive hear anyone say,.

I hate to point out that although there is many differences in the design. The point is you buy a 240 and spend a good few k etc you end with a better car to drive over a stock M2 comp.
If you factor in the price difference between a modded 240 over an M2 comp you still have a cheaper car. If you bought a comp tben spent x amount to make it better. Think how much money you could have thrown at the 240 with the extra cash and had something truly special whilst not necessarily standing out in the crowd. Personally prefer 'blender' cars, always have and always will. Whilst I agree they spent a lot of money in R&D they build a car that caters to all those who will buy them and comfort still is a deciding factor over speed and handling. Nisfans 240 by the sounds of it was tailored to preference which no mass produced factory car is or their market shrinks considerably as it won't please everyone. Each to their own...

I know what you are saying. Ive had an M2 but for a daily drive and some other reasons I prefer the 140, hence I downgraded. Also I agree with what you are saying to a point because ive said the same previously elsewhere on here that you buy a 140 and you can throw lots of money and bits at it and make a car that has modified bits on it for cheaper than it would cost for a M2, I get it. But to say that throwing suspension and what not at a 1/240 is going to make it better than a stock m2 comp unfortunately is a nonsense. two main reasons are you cant use the M active diff, the 240, at best has a normal LSD and the engine, map a 240, 470bhp map an m2c and it goes over 500bhp! there just no comparison in cars no matter what you do to the 240! in fact the m2 is better car than than a modified 1/240. because unless you are going balls out and fitting race spec suspension, not talking your cheap off the self Bilstein units I mean something thats solely dedicated to racing, not just fast road or the occasional track day then you aren't getting the best out of the car anyway.
os.

Some points to consider......

In BMW world, the KW V3 is an upgrade on the stock M2 suspension.

The popular racing M2's diff upgrade is to fit a Drexler unit in place of the electronic stock M2 diff.

The M235i racing is built from the basic 2 series chassis, I.e. it is more 235i than M2.

An M240i is quite a bit lighter than an M2Competition.

A number of the M2 bespoke parts fit straight onto an M140/240i

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