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> Noile modele BMW, sau ce mai putem cumpara de la BMW
io'sŪ
post Jan 9 2013, 09:10 PM
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macar spune naibi ce masina e ca m(ne)-ai facut curios(i) biggrin.gif


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"PUTEREA BATE CUPLU PT CA TOT TIMPUL VEI GASI O TREAPTA INFERIOARA UNDE SA O PUI"
"BMW E PENTRU DRUMURI LUNGI PE CARE SA LE FACI MAI REPEDE DECIT ORICINE PE SOSEA, SA MERGI TARE SI PE AUTOSTRADA SI PE SERPENTINE SI SA -I DAI 200 SI LA DEAL SI LA VALE"
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BBo
post Jan 9 2013, 11:56 PM
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E61 525d, banuiesc eu.
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CRM112
post Jan 10 2013, 10:06 PM
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da
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CRM112
post Jan 21 2013, 12:42 PM
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n-am stiut unde sa pun articolul; sa zicem ca s-ar incadra smile.gif

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alex230ro
post Jun 7 2013, 09:37 PM
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I know that dilemma! I started off as an E34 guy, learned to drive on E46 M3's, then became an E30 guy, became an instructor in my E30, then got my E36.

Let's talk about how these cars feel around corners, then a brief description of why.

E34, when driving around the car feels good and grippy, though heavy. At the limit the car understeers, but when finagled through sudden lifting or trail braking, the rear end gets loose and the car feels loose and easily directable. When it oversteers, it breaks loose predictably and slowly. It also can maintain grip with some slip angle of the rear tires. Why? The E34 has an independent, semi trailing arm rear suspension. The camber and toe changes as the wheel travels up and down in the rear.

E30, It feels grippy and easily tossable. It is also a light car. The 318i has an M42 engine, which has a smooth linear torque band without too much power. The suspension design is similar to the E34, so it has similar handling characteristics. Since the car is lighter it tends to understeer less at corner entry. When the car has a little suspension work done (HR race springs and Bilstein sport shocks) the car is pretty much neutral everywhere. With stock 318i HP, it has no trouble putting power down, and E30's love slip angle in the rear. The fact that the grip level drops off so slowly in an E30 / E34, gives the driver confidence to push the limit of the car.

E36, it feels like a cross between the E30 and E34 in terms of handling (Initially ). This is mainly due to the weight increase. At the limit, the E36 chassis understeers...a lot. This can be remedied with suspension work and a square tire setup. Once you get the understeer out of the chasiss, you notice that the rear end is very grippy...until it breaks loose, much more suddenly than the E30 and E34 chassis. This is because of the multi link rear suspension design. (Thank you Mercedes for releasing the 190E). Camber still changes with wheel travel, but toe stays the same (or changes much less). This provides more ultimate grip (believe it or not), at the sacrifice of predictability, and (lower) grip levels with slip angle present in the rear tires. In short the E36 has a better rear suspension design, and is a faster car because of it, but it is harder to drive at the limit.

E46, has a very similar suspension design to the E36 (almost identical), but a stiffer chassis. It is slightly heavier, but can be slightly faster given the same power to weight ratio. The E46 driver does feel more disconnected from the car than in the E36 chassis, and the E36 feels more disconnected than the E30. However each chassis has progressively more potential as they find newer and better ways to engineer things...And new ways to screw things up!


un post interesant


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alex230ro
post Jun 7 2013, 10:04 PM
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http://www.youtube.com/watch?feature=playe...p;v=9EUaPlGlSIk

bonus


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Ciupanezu
post Jun 8 2013, 12:11 AM
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Interesant postul respectiv intr-adevar.

Opinia mea este ca masinile moderne devin, de la o generatie la alta, mai putin orientate spre placerea de a conduce si mai mult orientate spre lux, optiuni tot mai inutile si aspect.

Ma refer la BMW, alte marci nu prea ma intereseaza.

Am condus foarte multe BMW-uri.
Cu cat sunt mai noi cu atat simti ca tu conduci mai putin si masina face mai multe pentru tine. Asta nu e neaparat un lucru rau, adica nu e rau ca masina de zi cu zi sa fie confortabila si usor de condus, dar daca vrei o masina cu care sa te dai pe circuit sau pe care s-o conduci cu adevarat sportiv, BMW-urile moderne nu prea sunt o alegere buna.
Seria 3 a devenit prea grea. Un E90 e aproape la fel de greu ca un E39. Un F30 e cam cat un E39.
Am condus F10 si nu exista absolut nici un feedback in volan, directia fiind electrica.
O masina de lux foarte frumoasa, dar nu una pe care sa simti ca o conduci.

Probabil ca daca mi-as permite mi-as cumpara un Porsche pentru track day, la BMW nu exista alternative.
M3 si M5 sunt desigur niste alternative, dar cred ca te apropii de suma cu care poti cumpara un Porsche sh.
Sigur ca mi-ar placea sa am F10, M5 E39, M3 E46 sau E92, dar nu pentru ca ar fi masini foarte bune pe circuit sau pe care le-as putea conduce intr-adevar sportiv ci pentru ca sunt M-uri si iubesc marca asta.
Iar directia asta pe care marca o are este in functie de cererea de pe piata, nu e vina celor care conduc compania.
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xox
post Jun 8 2013, 03:57 PM
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Eu vad lucrurile altfel: daca tu conduceai un M3 acum 25 ani, aveai destula forta fizica sa tii masina aia pe strada si reflexe mai ascutite. Acum... lucrurile se schimba pe masura ce imbatranesti. Vrei siguranta la volan, vrei sa simti acceleratia, vrei sa fii primul intr-o mica "sicana" - dar n-ai mai fi capabil sa faci fata feedback-ului care-l primeai atunci. Cu toate astea, te bucuri de cat primesti.

Iar daca un tanar vrea senzatia asta, cred ca vrea si ceva mai multa siguranta decat atunci.

In concluzie, una-i nostalgia, alta-i progresul. Si, din intamplare, ambele costa cand e vorba de pasiunea pentru a conduce.


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Ex: M10B18(Pierburg)/18(L-Jetronic)/18(Pierburg)/M43TUB19/M20B20
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alex230ro
post Jun 8 2013, 05:24 PM
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Nope tot urs vreau.


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Ciupanezu
post Jun 8 2013, 06:47 PM
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Siguranta la volan si 1000 de optiuni care adauga multa greutate la masa totala a masinii nu ar trebui sa fie niste prioritati la o masina de fun.

In ziua de azi masinile au devenit idiot proof si au prea multe optiuni inutile, dar foarte cautate pentru ca multi traiesc pentru a impresiona.
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