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Engine Code: | N46 N46B20 |
HG No: | HGLB2119 |
Car Series: | German Car |
Car Brand: | BMW |
Car Model: | BMW X1 X3 Z4 E90 E81 E87 E60 |
Product Description
BMW N46 is a family of inline four gasoline engines produced from 2004 to 2015 installed on most compact and mid size models the 20 liter N46B20 was based on the N42B20 but received changes such as a new crankshaft balancer shafts connecting rods cylinder head cover intake manifold timing chain tensioner spark plugs generator and integrated Valvetronic ECU using Bosch ME 92 or MV1746 management in 2007 it was updated with a revised intake manifold and exhaust camshaft known as N46N.
Related engine code:N46B20
Applicable Models:
N46B20U0
The N46B20U0 produces 105 kW (141 bhp) and 200 N⋅m (148 lb⋅ft).
2007-2008 E90 318i
N46B20U1
The N46B20U1 produces 95 kW (127 bhp) and 180 N⋅m (133 lb⋅ft).
Applications:
2005-2007 E87 118i
2005-2007 E90/E91 318i
N46B20U2
The N46B20U2 produces 100 kW (134 bhp) and 180 N⋅m (133 lb⋅ft). It was used instead of the N43 engine in countries with high-sulfur fuel.
Applications:
2007-2011 E81/E87 118i
2007-2013 E90 318i
N46B20A
The N46B20A produces 105 kW (141 bhp) and 200 N⋅m (148 lb⋅ft).
Applications:
2004-2006 E46 318i, 318Ci and 318ti
N46B20O1
The N46B20O1 produces 110 kW (148 bhp) and 200 N⋅m (148 lb⋅ft). On models with secondary air injection, peak torque occurs at 3750 rpm instead of 3600 rpm.
Applications:
2004-2007 E83 X3 2.0i
2005-2008 E85 Z4 2.0i
2004-2007 E87 120i
2005-2007 E90/E91 320i
N46NB20
The N46B20 produces 115 kW (154 bhp) and 210 N⋅m (155 lb⋅ft). It was used instead of the N43 engine in countries with high-sulfur fuel.
Applications:
2007-2011 E81/E82/E87/E88 120i
2007-2013 E90/E91/E92/E93 320i
2007-2010 E60 520i
2009-2015 E84 X1 sDrive18i / xDrive18i
2007-2010 E83 X3 2.0i
Car Engine Parts Diagram
Let us take a look at a detailed car engine parts diagram, which highlights the essential internal components of an engine. This type of diagram helps us visualize the exact location and arrangement of each part. It typically includes major elements such as the rocker cover, rocker arms, valve springs, cylinder head, spark plugs, valves, engine block, pistons, connecting rods, crankshaft, camshaft, timing chain, oil pump, oil pan, and flywheel. Also shown are related parts like the ignition distributor, fuel pump, gaskets, and distribution components. By referring to such a diagram, we can gain a better understanding of how these parts interact to power a vehicle's engine.
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Sep. 29, 2025
Sep. 29, 2025
Customer's Packing Box Customized Available
Start by sharing your requirements—we'll help design the perfect custom packing solution for your products. Reach out to HI-GREAT today!