BMW N46 gasoline engines were produced from 2004 to 2015 and were installed on almost all compact and medium-sized models of the group of that time. The 2.0-liter N46B20 engine was created on the basis of the N42B20 and at first glance does not differ from its predecessor, but it is not.
The differences between the BMW N42 and the N46 are as follows: a different crankshaft, balancer shafts, connecting rods and a cylinder head cover, a redesigned intake manifold, a modified timing chain tensioner, new spark plugs and a generator, a Valvetronic control unit integrated into the ECU and some other little things. Otherwise, this is the same N42 with its pluses and minuses. Bosch ME 9.2/Bosch MV17.4.6 engine management system.
Since 2007, the engine has been slightly upgraded, the intake manifold and exhaust camshaft have been replaced, and the new modification was called the N46N.
This motor was used on BMW cars with an index of 18i and 20i.
| Production years | 2004-2012 BMW Plant Hams Hall |
| Displacement, cc | 1995 |
| Fuel system | injector |
| Power output, hp | 129 – 150-143 – 170 (N46N) |
| Torque output, Nm | 180 – 200190 – 210 (N46N) |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 84 |
| Piston stroke, mm | 90 |
| Compression ratio | 10.5 |
| Features | Valvetronic |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | double VANOS |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.25 |
| Fuel type | petrol |
| Euro standards | EURO 4/5 |
| Fuel consumption, L/100 km (for 320i E90)— city— highway— combined | 10.7-5.6-7.4 |
| Engine lifespan, km | ~300 000 |
The N46B20 machine Packing & Delivery
The N46B20 machine Purchase Instructions：
1. For countries that can support door-to-door delivery, customs formalities, and duties will be handled by us.
2. During the delivery process, we will maintain close communication with the logistics company to ensure real-time updates on the status of your shipment.
3. If you need faster transportation (e.g. air freight), please contact our customer service staff in advance, so that we can provide quotes and services.
4. We provide comprehensive after-sales service with 12-18 months warranty.
5. If you need to buy in bulk, please be sure to contact us for consultation. The customer service staff will provide favorable quotations payment methods and other information according to your needs.
6. If you encounter any problems during the use, please feel free to contact our customer service team, we will be happy to help you.
The BMW N46B20 is a real car engine. Not a model. Deliver door-to-door to your home.
Shanhedongli can supply various brands of automobile engines, auto accessories, and rare auto parts in the market, as well as pistons, valve covers, oil pumps cylinder blocks, etc.
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