Congrats on the new car. The M240i is good fun. I've driven this car, along with the M2 and many others on track, even side by side with direct competitors from Audi, MB, etc. Perks of the job working for BMW.
I would like to correct a few satements though. If you have any questions about the vehicle or the tech inside or anything, feel free to ask. It's my job to basically know everything about those vehicles and the tech inside and out.
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Originally Posted by enwave
The car has GOBS of power. Rated at ~340hp and ~370lb/ft of torque, the new B58 version of a twin-turbo inline-six spools fast, with torque delivery starting as early as 1500(!!!) RPM. This is the exact same engine as the M2, but tuned just a tad bit more conservatively.
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It's actually different. The B58 engine is different from the N55 that was used in the M235i and is still used in the M2. Further more, the M2 utilizes engine internals pulled directly from the S55 engine in the M3/M4. So the two engines are actually extremely different.
On the bright side, the B58 makes more torque than the N55 in the M2. BMW also typically underrates their vehicles. So, the M240i is rated at 335hp, and if the car were to see a dyno, it'd likely put close to that much down at the wheels. Meaning a tune and some exhaust/intake work will put the car at nearly 400bhp.
Quote:
Originally Posted by enwave
Clocked my 0-60 w/launch control at 4.35s, completely stock in good weather, on the stock 225 run-flats (ew). The angry sound this car makes when pushing the pedal (and the evil burbling when you back off the throttle) is incredibly satisfied, but too muted from the interior. I may end up upgrading to the M-Performance exhaust, which is what is featured on the full M2.
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The car should have come with Michelin Pilot Super Sports, which are not run flats (unless you opted for the all-seasons). Also, rear tire width is 245.
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Originally Posted by enwave
Throttle response is good on the M240i, but nothing to write home about compared to a tuned ft86 platform. Even while boosted, the connection between the pedal and the engine just fel better in the BRZ. I believe my experience with the BRZ was a bit biased by being tuned from nearly day one, and I hear the JB4/Dinan Elite chips for the BMWs solve this minor problem. One of those are likely to be my first part for the new car.
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Agreed. Turbo will never feel like N/A though.
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Originally Posted by enwave
The chassis is firm compared to a standard 2-series, but NOTHING like the ft86 platform. Coming from the super low center of gravity of the FA20 boxer combined with the Eibach Pro-Kit springs makes the M240i feel floaty, even with the M240i's adaptive suspension tightened up in Sport mode. I have a feeling my next part after the chip will be a set of sportier springs.
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Yes, ride quality is way better than the FRS/BRZ. Nice on the street, but plenty capable on track.
Quote:
Originally Posted by enwave
Going to forego full suspension, as the adaptive setup on the BMW is actually quite nice to have. The lack of a limited-slip differential (another of the subtle differences between this car and a full M2) is also a bit of a downer, but the XDrive system does a pretty good job of keeping the car planted under load.
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The nice thing about the xDrive system is that it can actively shift torque distribution front/rear and left/right. So, while the car doesn't actually have a LSD equipped on the rear, it can give a bit of a vectoring effect when provoked.
Quote:
Originally Posted by Dan37BRZ
Does the new M240 really use a twin turbo setup (N54 style) or is it a single twin scroll turbo (N55 style) as before?
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No. The M240i uses the new B58 engine. The M235i (which the 240i replaces) utilized the same N55 engine the M2 uses.
Both of which use one twin-scroll turbocharger.