BMW M54

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BMW M54 BMW M54B25 overview Manufacturer : BMW Production period: 2000-2006 Combustion chamber Design: Inline six-cylinder Displacement variants : 2.2 L (2171 cm 3 ) 2.5 L (2494 cm 3 ) 3.0 L (2979 cm 3 ) Chronological order Previous model: BMW M52 Successor: BMW N52 Similar models: BMW S54

The BMW M54 is a series of in- line six-cylinder engines with four-valve technology that debuted in 2000. It is the further development of the BMW M52 and was replaced by the BMW N52 in 2004. The M54 engines have camshaft adjustment for the intake and exhaust sides ( stepless double VANOS ). The crankcase and cylinder head are made of aluminum.

Compared to the predecessor M52, the displacement of the M54B22 and the M54B30 has been increased by 0.2 l each with a slightly longer stroke. The sometimes significant increases in performance (28 kW in the case of the 3-liter machine) were largely achieved by reducing the flow resistance on the inlet and outlet side of the engine.

According to BMW, the resonance intake system introduced in 1998 in the M52TU should enable a high degree of cylinder filling over a broader speed range by means of a speed-dependent, two-stage variation of the effective intake manifold length and thus ensure improved elasticity. The variable control of the exhaust valves should also optimize the torque in the lower speed range.

The M54 was installed in the Z4 2.2, 2.5 and 3.0 models from 2002 to 2005. From 2006, the M54 built into the Z4 was replaced by the N52 engine. It was also used in the 3 Series E46 as 320i, 325i and 330i, in the 5 Series E39 as 520i, 525i and 530i, in the 5 Series E60 as 520i, 525i and 530i and in the 7 Series E65 as the 730i. It was installed in the Z3 from 2000 to 2002 as the 2.2i and 3.0i.

From 2001 to 2003, the 3-liter version M54B30 was on the annual list of “the 10 Best Engines” by the American specialist magazine “Ward's Auto World”.

The first introduced M54 variant with 3 liter displacement and 170 kW / 231 PS met the exhaust emission limits D4 and ULEV (Ultra Low Emissions Vehicle) ahead of schedule . As an emission-optimized variant of the BMW M54, the BMW M56 met the even stricter SULEV (Super Ultra Low Emissions Vehicle) emissions standard .

Data

engine	Displacement	Bore × stroke	Valves	compression	Power at 1 / min	Torque at 1 / min	Maximum speed	Introductory year
M54B22	2.2 l (2171 cm 3 )	80.0 mm × 72.0 mm	4th	10.7: 1	125 kW (170 hp) at 6100	210 Nm at 3500	6500 min −1	2000
M54B25	2.5 l (2494 cm 3 )	84.0 mm × 75.0 mm	4th	10.5: 1	141 kW (192 hp) at 6000	245 Nm at 3500	6500 min −1	2000
M54B30	3.0 l (2979 cm 3 )	84.0 mm × 89.6 mm	4th	10.2: 1	170 kW (231 hp) at 5900	300 Nm at 3500	6500 min −1	2000

use

M54B22 BMW 320i E46 2000-2007 BMW 520i E39 2000-2003 BMW 520i E60 / 61 2003-2005 BMW Z3 2.2i E36 / 7 2000-2002 BMW Z4 2.2i E85 2003-2005

M54B25 BMW 325i E46 2000-2007 BMW 325ti 2001-2004 BMW 525i E39 2000-2003 BMW 525i E60 / 61 2003-2005 BMW X3 2.5i E83 2004-2006 BMW Z4 2.5i E85 2002-2005

M54B30 BMW 330i E46 2000-2007 BMW 530i E39 2000-2003 BMW 530i E60 2003-2005 BMW 730i / Li E65 / 66 2003-2005 BMW X3 3.0i E83 2004-2006 BMW X5 3.0i E53 2000-2006 BMW Z3 3.0i E36 / 7/8 2000-2002 BMW Z4 3.0i E85 2002-2005

Web links

Commons : BMW M54  - Collection of pictures, videos and audio files

Individual evidence

1. ↑ The M54 at australiancar.reviews, accessed on November 15, 2018 .

Timeline of BMW gasoline engines for passenger cars since 1961
Number of cylinders	Conception	1960s										1970s										1980s										1990s										2000s										2010s
		0	1	2	3	4th	5	6th	7th	8th	9	0	1	2	3	4th	5	6th	7th	8th	9	0	1	2	3	4th	5	6th	7th	8th	9	0	1	2	3	4th	5	6th	7th	8th	9	0	1	2	3	4th	5	6th	7th	8th	9	0	1	2	3	4th	5	6th	7th	8th
3	1.5 l																																																						B38
4th	(1.5–2.0 l)		M10
																													M40
																															M42
																																			M43
																																				M44
																																											N40
																																											N42
																																													N45
																																													N46
																																																N43
																																																				N13
																																																				N20
																																																							B48
	High performance motor																											S14
6th	Small six-cylinder (2.0-3.0 l)																		M20
																																M50
																																				M52
																																										M54
	Large six-cylinder (2.5-3.5 l)									M30
																																															N52
																																																	N53
																																																N54
																																																			N55
																																																									B58
	High performance motor																			M88
																														S38
																																		S50
																																						S52
																																										S54
																																																								S55
8th	3.0-4.4 l																																	M60
																																						M62
																																											N62
																																																		N63
	High performance motor																																							S62
																																																			S63
																																																	S65
10	High performance motor																																														S85
12	5.0-6.6 l																												M70
																																				M73
																																													N73
																																																			N74
	High performance motor																																	S70
Number of cylinders	Conception	0	1	2	3	4th	5	6th	7th	8th	9	0	1	2	3	4th	5	6th	7th	8th	9	0	1	2	3	4th	5	6th	7th	8th	9	0	1	2	3	4th	5	6th	7th	8th	9	0	1	2	3	4th	5	6th	7th	8th	9	0	1	2	3	4th	5	6th	7th	8th
		1960s										1970s										1980s										1990s										2000s										2010s