BMW 335i GT-R Rear Big Brake Kit lb (23 kg) and 300 lb (140 kg) more than comparable older models. The N54B30 engine is all aluminum, while the N51 and N52 engines largely consist of magnesium with an outer shell of aluminum and even aluminum bolts to prevent corrosion from dissimilar metals. The piston sleeves in each are steel and have copper coating.The E90 also introduced run-flat tires to the 3 Series range. Consequently, cars with run-flats are not equipped with a spare tire. While these theoretically improve performance and handling, run-flats cost much more to replace and give a harsher ride.The sedan (saloon) model

Features for your BMW 335i

• Brembo forged 4, 6 or 8 piston racing calipers with sequentially sized pistons (lighter and slimmer profile than standard Brembo GT calipers).
• Brembo ventilated titanium piston inserts to form an additional heat barrier (most GTR calipers, not all)
• Brembo two piece "floating" hat and rotor assemblies reduce unsprung weight and dissipate heat faster
• Brembo slotted and directionally vented two piece rotors
• DOT and TUV certified Goodridge stainless steel brake lines; guaranteed for life

Brembo GT-R Rear Big Brake Kit The E90 sedan is 49 mm (1.9 in) longer, 78 mm (3.1 in) wider and 9 mm (0.4 in) taller than its predecessor (E46). The wheelbase is longer by 35 mm (1.4 in). In previous 3 Series models, space for passengers and luggage were common criticisms; however, BMW made significant improvements to the poor leg and headroom in those previous models. BMW's brochure even highlights, 'Now long legs can be enjoyed even by the people who have them'. Large amounts of aluminium were used in the body work and suspension in an attempt to keep the weight close to previous models; however, the E90 weighs between 50