M57 engine found in the previous generation E39 5 Series. In 2004 the 535d and 525d were added to the model range which also used different versions of the M57 straight-6 turbo engine. In 2005, the only 4 cylinder diesel model E60 was added to the model range, the 520d using the older M47 engine at first, and later the new N47 engine from 2007. Most of the diesel model range was exclusive to the European market, except a few models which were sold in some countries in Asia. No diesel models were offered in North America. Transmissions Available transmissions are: 6-speed ZF S6-37 manual (2004–2010) 6-speed Getrag 217 -- GS6-17BG / GS6-17DG manual (2004–2010) 6-speed ZF S6-53 manual (2004–2010) 6-speed ZF 6HP19 automatic (2003–2007) 6-speed ZF 6HP26 automatic (2003–2007) 6-speed ZF 6HP28 automatic (2007–2010) 6-speed GS6S37BZ SMG-II (2003–2010) 6-speed GS6S53BZ SMG-II (2003–2010) 7-speed GS7S47BG SMG III (M5 model) M5 model The M5 model of the E60 generation was introduced in 2005 and produced in sedan and wagon body styles. The E60 M5 is powered by the BMW S85 V10 engine, which produces at 7,750 rpm, at 6,100 rpm and has a redline of 8,250 rpm. The acceleration time is 4.7 seconds. The majority of M5s were sold with a 7-speed automated manual transmission ("SMG III"), however a 6-speed manual was also available in some markets. Total production of the M5 was 20,548 units, consisting of 19,523 sedans and 1,025 wagons. Special models Alpina B5 Introduced in February 2005, the Alpina B5 and Alpina B5 S were built in sedan and wagon body styles and powered by the BMW N62 petrol V8 engine (as used by the 545i) with the addition of a centrifugal supercharger. The rated power outputs are for the B5 and for the B5 S. Both models used the ZF 6HP26 6-speed hydraulic automatic transmission shared with the regular E60 models. BMW 5 Series Security The E60 was available as 'Security' models, a factory armoured version which was unveiled at the 2005 Frankfurt Motor Show. Built with ballistic steel, aramid, polyethylene and 21mm polycarbonate layered glass it was certified at VR4 level of VPAM's Bullet Resistant Vehicle guidelines (1999). The armoured areas include the entire passenger cell, battery terminals and Engine Control Unit. As standard they included an intercom system and panic alarm. The Security models were built using the mechanicals of the 530i or the 550i,