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<blockquote data-quote="eddiefiola" data-source="post: 143284" data-attributes="member: 125">chinlai,e39.....hehehe..... still the best car in the real world...e39 has plenty of engines of m52 n m54.m52 (single vanos, TU has double vanos)(no valvetronic)m52b20&nbsp; 150hpm52b20tu&nbsp; 150hpm52b22 and m52b22tu: can be found in e46, not available in e39m52b24&nbsp;&nbsp; 2.4L(for thailand market only)m52b25&nbsp; 2.5L&nbsp;&nbsp; 170hpm52b25tu&nbsp; 2.5L&nbsp;&nbsp; 170hpm52b28&nbsp;&nbsp; 2.8L&nbsp;&nbsp; 193hpm52b28tu&nbsp;&nbsp; 2.8L&nbsp; &nbsp; 193hpTU=technical update. differences between engine with TU n engine without TU are:TU has:-redesigned crankcase-modified pistons-double vanos-uses siemens ms42 dme-reaches torque at earlier rpm-slightly heavier enginem54 (all double vanos) (no valvetronic)m54b22&nbsp;&nbsp; 2.2L&nbsp;&nbsp; 170hpm54b25&nbsp;&nbsp; 2.5L&nbsp; &nbsp; 192hpm54b30&nbsp;&nbsp; 3.0L&nbsp; &nbsp;&nbsp; 231hpsome 525i have m52b25TU engine n some have m54b25 engine. depends on what year the car is n depends on what market the car is catered for.......523i always means m52b25 engine......advise u to get the m54 engine(if possible). forget the m52 engines. u won&#039;t regret.......... or if u are interested in other engines, u can get530d: available in m51(184hp) and m57b30(193hp) engines (inline 6)525d: m57b25 (163hp) (inline 6)540d: m67 (v8)535i: m62b35 (245hp) (v8)540i: m62b44 (286hp) (v8)m5: s62 (400hp) (v8)</blockquote>

[QUOTE="eddiefiola, post: 143284, member: 125"] chinlai, e39.....hehehe..... still the best car in the real world... e39 has plenty of engines of m52 n m54. [u]m52[/u] (single vanos, TU has double vanos)(no valvetronic) m52b20 150hp m52b20tu 150hp m52b22 and m52b22tu: can be found in e46, not available in e39 m52b24 2.4L(for thailand market only) m52b25 2.5L 170hp m52b25tu 2.5L 170hp m52b28 2.8L 193hp m52b28tu 2.8L 193hp TU=technical update. differences between engine with TU n engine without TU are: TU has: -redesigned crankcase -modified pistons -double vanos -uses siemens ms42 dme -reaches torque at earlier rpm -slightly heavier engine [u]m54[/u] (all double vanos) (no valvetronic) m54b22 2.2L 170hp m54b25 2.5L 192hp m54b30 3.0L 231hp some 525i have m52b25TU engine n some have m54b25 engine. depends on what year the car is n depends on what market the car is catered for....... 523i always means m52b25 engine...... advise u to get the m54 engine(if possible). forget the m52 engines. u won't regret.......... or if u are interested in other engines, u can get 530d: available in m51(184hp) and m57b30(193hp) engines (inline 6) 525d: m57b25 (163hp) (inline 6) 540d: m67 (v8) 535i: m62b35 (245hp) (v8) 540i: m62b44 (286hp) (v8) m5: s62 (400hp) (v8) [/QUOTE]

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