Is my BMW N43 or N46?

It replaced both the BMW N46 and BMW N45 engines. However the N43 was not sold in countries with high sulfur fuel, therefore the N45/N46 engines remained in production alongside the N43….BMW N43.

BMW N43 engine
Overview
Chronology
Predecessor BMW N46/N45
Successor BMW N13

What is the difference between BMW N42 and N46?

Compared with its N42 predecessor, the N46 features a revised crankshaft, intake manifold and valvetrain. Changes included the intake manifold, exhaust camshaft and the engine control unit was changed from Bosch Motronic version ME9.

Which BMW has N43 engine?

Which engines are affected? Primarily we are seeing engine failures on BMW petrol models with the engine code N43, this engine came out during 2007. The engine is fitted to 1 series and 3 series models ( from 116i – 320i ) .

Does N43 have vanos?

This theme applies not only to engines of series N43/N53, but also other petrol engines of BMW, which are equipped with VANOS. The repair is of VANOS is simple, spare parts – easy accessible.

Does N46 engine have vanos?

Premium Member. both have vanos and valvetronic eccentric cam technology which works in conjunction with each other…

Does n46 engine have vanos?

How much does it cost to fix vanos?

Total cost for the new Vanos + labor (minus core charge for original Vanos unit from Dr Vanos) will be approx $600-$700.

Is the n42b20 engine the same as the m43tu?

That makes the engine much lighter than previous inline-four engines from BMW. There are new 90 mm stroke crankshaft, pistons and connecting rods inside the cylinder block. The N42B20 engine still has balancing shafts, and they are the same as in the M43TU engine. Engineers made some small changes just to fit them into the new cylinder block.

What are the disadvantages of a BMW N43B20?

BMW N43B20 disadvantages and problems. 1. Engine vibration. This problem is one of the most common in N43. You need to change injectors. 2. Misfire and rough idling on N43. The problem is mainly connected with ignition coils. You should check them and replace in case of necessity.

Is the BMW N45 the same as the N43?

It replaced both the BMW N46 and BMW N45 engines. However the N43 was not sold in countries with high sulfur fuel, therefore the N45/N46 engines remained in production alongside the N43. Compared with its N46 predecessor, the N43 features direct injection.

What kind of control unit does BMW n46b20 use?

New engine used Bosch ME 9.2 control unit. In 2007 this engine was modernized. Changed included new intake manifold and exhaust camshaft. Previous engine control system was replaced by Bosch MV17.4.6.