αντεεεεε τα καγγελια!!!!!!!! :th_Laie_67-1: :th_Laie_67-1:
https://f80.bimmerpost.com/forums/sh...d.php?t=892746
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αντεεεεε τα καγγελια!!!!!!!! :th_Laie_67-1: :th_Laie_67-1:
https://f80.bimmerpost.com/forums/sh...d.php?t=892746
https://www.bmwfans.gr/forum/images/...13799971-1.jpg
ENGINE
- Inline 6 cylinder engine with two mono-scroll turbochargers
- Direct Injection
- VALVETRONIC
- Double-VANOS
- closed-decked crankcase
- twin-wire arc-spray coating (instead of liners) in cylinder bores reduce engine weight
- 430 HP (approximately)
- "far beyond" 369+ LB-FT (500 Nm)
- See Dyno Chart
- Higher than 7500 RPM redline
TURBOS
- Two mono-scroll turbochargers
- Impulse charging for optimized responsiveness
- Flow-enhanced manifolds
- Electric wastegate actuator
COOLING
- Double-flow oil recirculation pumps
- Turbocharger suction system
- Main radiator plus additional radiators for the high- and low-temperature circuits, turbocharger and transmission,
- Large indirect intercooler
- Low-weight magnesium oil sump
- Temperature-stabilizing electric water pump
WEIGHT
- Under 3,306 lb (1500kg) weight
- this figure is without driver and with 90% fuel
- for more clarification, it's mentioned that "the new model is now around 80 kilograms lighter than a comparably equipped predecessor model" [80kg = 176 lbs]
- compare to E46 M3 at ~3,400 lb curb weight
- compare to E92 M3 at ~3,600 lb curb weight
- compare to C63 AMG at ~3,900 lb curb weight
- compare to RS5 at ~4,000 lb curb weight
- ~ 7.68 lb/hp power to weight
- compare to E92 M3 at 8.7
- compare to C63 AMG at 8.7
- compare to RS5 at 9.0
- compare to E46 M3 at 10.25
- Fuel consumption and emissions reduction of 25%
CARBON FIBER CONSTRUCTION
- CFRP drive shaft
- 40% weight savings over previous M3
- increased stiffness
- reduced rotating mass for better acceleration and throttle response
- CFRP roof for both M3 and M4
- saves 11 pounds (5kg) on M3
- saves more than 13.2 pounds (6kg) on M4
- CFRP roof bow
- Carbon fiber trunk for M4 (11 pounds (5kg) weight savings)
- CFRP front strut brace standard (weighs just 3.3 pounds (1.5 kg))
TRANSMISSION
- Standard 6 speed manual transmission
- automatic throttle blips on downshift
- more compact and quieter than predecessor E90/E92 M3 6 speed
- 26.4 pounds (12kg) lighter
- carbon fiber friction linings in synchroniser rings
- dry sump lubrication
- Optional 7 speed M DCT (double clutch transmission) with launch control
- Active M Differential (with constantly variable locking a la M5/M6)
- Forged crankshaft
STEERING
- Electric power steering specially tuned for M3/M4
- Servotronic function electronically adjusts the level of steering assistance
- Three modes: Comfort, Sport, Sport+
SUSPENSION / CHASSIS
- Optional Adaptive M suspension (with Comfort, Sport, Sport+ modes)
- CFRP front strut brace
- Double-joint spring strut front axle (saves 11 pounds)
- New five-link rear axle made from forged aluminum (saves 6.6 pounds)
- Aluminum suspension
- Aluminium stiffening plate
- Rear axle subframe fixed directly to body (bolted joints between the axle subframe and the body sills, without use of elastic rubber elements).
WHEELS / BRAKES
- Lightweight forged wheels standard
- Staggered tire sizes
- M compound brakes standard (in blue)
- M carbon ceramic brakes optional (in gold)
EXHAUST
- Exhaust features electrically controlled flaps just before rear silencer to minimize exhaust back-pressure as well as giving precise feedback on engine load.
AERO
- 50:50 weight distribution
- Air Curtain
- M gills with integrated Air Breather behind front wheels
MISC
- M3 and M4 to be introduced together (at Detroit NAIAS 2014 in January).
- M3 and M4 developed with help of BMW race car drivers Bruno Spengler and Timo Glock's participation in extensive testing and set- up runs on the Nürburgring-Nordschleife circuit, focusing on assessment of the carsΆ suspension, tyres and all elements of the powertrain.
yno / Technical Slides
https://www.bmwfans.gr/forum/images/...13799966-1.jpg
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Highlighted Components
https://www.bmwfans.gr/forum/images/...082small-1.jpg https://www.bmwfans.gr/forum/images/...087small-1.jpg https://www.bmwfans.gr/forum/images/...090small-1.jpg https://www.bmwfans.gr/forum/images/...095small-1.jpg https://www.bmwfans.gr/forum/images/...097small-1.jpg https://www.bmwfans.gr/forum/images/...102small-1.jpg https://www.bmwfans.gr/forum/images/...104small-1.jpg https://www.bmwfans.gr/forum/images/...111small-1.jpg https://www.bmwfans.gr/forum/images/...113small-1.jpg https://www.bmwfans.gr/forum/images/...117small-1.jpg https://www.bmwfans.gr/forum/images/...123small-1.jpg https://www.bmwfans.gr/forum/images/...124small-1.jpg https://www.bmwfans.gr/forum/images/...138small-1.jpg https://www.bmwfans.gr/forum/images/...146small-1.jpg https://www.bmwfans.gr/forum/images/...148small-1.jpg https://www.bmwfans.gr/forum/images/...154small-1.jpg https://www.bmwfans.gr/forum/images/...161small-1.jpg https://www.bmwfans.gr/forum/images/...162small-1.jpg https://www.bmwfans.gr/forum/images/...176small-1.jpg https://www.bmwfans.gr/forum/images/...182small-1.jpg https://www.bmwfans.gr/forum/images/...186small-1.jpg https://www.bmwfans.gr/forum/images/...189small-1.jpg https://www.bmwfans.gr/forum/images/...192small-1.jpg https://www.bmwfans.gr/forum/images/...203small-1.jpg https://www.bmwfans.gr/forum/images/...205small-1.jpg https://www.bmwfans.gr/forum/images/...207small-1.jpg https://www.bmwfans.gr/forum/images/...211small-1.jpg
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BMW M3 M4 Workshops in Munich
https://www.bmwfans.gr/forum/images/...up1small-1.jpg
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Προσωπική γνώμη ότι το DCT πρέπει να είναι στον standard εξοπλισμό..
Πολλη τεχνολογια και χρηση καρμπον βλεπω. Πρεπει να ειναι καλο στο δρομο!
O κεντρικός άξονας πραγματικά πολύ εντυπωσιακός. Μέχρι τώρα, τα Μ είχαν πολύ άκαμπτη (χωρίς ιδιαίτερες αποσβέσεις) μετάδοση προκειμένου να αντέχει στις δυνάμεις που ασκούνται, με αποτέλεσμα η μετάδοση να είναι και θορυβώδης. Λογικά πλέον η θορυβώδης μετάδοση στα Μ είναι παρελθόν, με ακόμη καλύτερη αντοχή...