BMW M43
The BMW M43 is a longitudinally mounted in-line four -cylinder gasoline engine with 8 valves of car manufacturer BMW and successor of the BMW M40. Compared to its predecessor has been replaced by a maintenance-free timing chain at the M43 belt drive, the friction reduced by roller cam followers in the valve train, the interference-prone Distributor replaced by an ignition system with static high -voltage distribution, facilitates the crankshaft and the compression slightly. In addition, the accessory drive, the crankcase breather, the thermostat housing and the intake system have been revised. The latter was now streamlined designed and constructed as a differentiator Formatted intake system ( DISA ).
The M43 was used from 9/ 1993 BMW E36 316i 318i and. There were moreover, two gasoline / CNG variants (model name "G " instead of " i "). Were offered this in the E36 series than 316g Compact and E34 than 518g.
For the launch of the E46 M43 has been technically revised and henceforth used as M43TÜ until he was replaced in 2001 by its two successors N40 and N42.