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BMW Tech and Performance
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M43 & N42
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<blockquote data-quote="elwine30" data-source="post: 125278"><p>in addition, the M43 in E46 is the M43TU (technical update) version. It produce the same HP but better torque. So, it's a updatd engine in the e46 than e36.</p><p></p><p>Some physical changes for M43tu are the intake manifold is different, the injectors are different, it uses MAF, different computer box.</p><p></p><p>Similarities,both uses timing chain, single belt, SOHC, 8 Valve, electric fan. </p><p></p><p>N42 is comes from the M44 which is the DOHC of the 4 potters. However, it has improved system which is the valvetronic. For more info on Valvatronic. Please refer to threads posted up b4.</p></blockquote><p></p>
[QUOTE="elwine30, post: 125278"] in addition, the M43 in E46 is the M43TU (technical update) version. It produce the same HP but better torque. So, it's a updatd engine in the e46 than e36. Some physical changes for M43tu are the intake manifold is different, the injectors are different, it uses MAF, different computer box. Similarities,both uses timing chain, single belt, SOHC, 8 Valve, electric fan. N42 is comes from the M44 which is the DOHC of the 4 potters. However, it has improved system which is the valvetronic. For more info on Valvatronic. Please refer to threads posted up b4. [/QUOTE]
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