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Engine M54 overhaul car BMW X5 E53
General concept of engine design
The company "BMW AG" (Germany) uses four-stroke petrol and diesel engines as a power plant in the "X5" series cars with the "E-53" body, consisting of the...
The company "BMW AG" (Germany) uses four-stroke petrol and diesel engines as a power plant in the "X5" series cars with the "E-53" body, consisting of the...
General information about M54 engines
The power unit based on the M54 engine is a four-stroke, in-line cylinder unit, installed in the engine compartment along the longitudinal axis of the vehicle,...
The power unit based on the M54 engine is a four-stroke, in-line cylinder unit, installed in the engine compartment along the longitudinal axis of the vehicle,...
Cylinder Block — Design Description
The cylinder block has dry, thin-walled, cast iron liners (Fig. 3.3), made of a light alloy based on aluminum, the liners of which can be repaired (bored). 1 -...
The cylinder block has dry, thin-walled, cast iron liners (Fig. 3.3), made of a light alloy based on aluminum, the liners of which can be repaired (bored). 1 -...
Cylinder head — design description
The cylinder head is cast from an aluminum alloy. It contains two camshafts on plain bearings, intake and exhaust valves with their own closing springs. The...
The cylinder head is cast from an aluminum alloy. It contains two camshafts on plain bearings, intake and exhaust valves with their own closing springs. The...
Cylinder head gasket
Pad (43, Fig. 3.4) the cylinder head is made of synthetic materials (asbestos-free) with metal edging of the cylinder holes. The gasket is installed with the...
Pad (43, Fig. 3.4) the cylinder head is made of synthetic materials (asbestos-free) with metal edging of the cylinder holes. The gasket is installed with the...
Valve seats
Valve seats are made of austenitic steel obtained by powder metallurgy and are not replaceable. If traces of burning or wear are detected that cannot be...
Valve seats are made of austenitic steel obtained by powder metallurgy and are not replaceable. If traces of burning or wear are detected that cannot be...
Valve guide bushings
The valve guides are made of a special brass alloy based on bronze and are pressed into the cylinder head. The parameters of the inlet and outlet valve guides...
The valve guides are made of a special brass alloy based on bronze and are pressed into the cylinder head. The parameters of the inlet and outlet valve guides...
Valves and springs — checking condition
The valves (Fig. 3.8) are made of special, corrosion-resistant steel, with chrome plating and hardened rods, which are located in the cylinder head in a...
The valves (Fig. 3.8) are made of special, corrosion-resistant steel, with chrome plating and hardened rods, which are located in the cylinder head in a...
Hydraulic tappets
Hydraulic tappets are installed directly in the cylinder head body. The valves are driven by the camshaft cams through the plungers of the hydraulic tappets....
Hydraulic tappets are installed directly in the cylinder head body. The valves are driven by the camshaft cams through the plungers of the hydraulic tappets....
Crankshaft and flywheel — design description
The engine crankshaft is a seven-bearing one (Fig. 3.10). 1 - bolt; 2 - spacer washer; 3 - damper; 4 - star; 5, 10 - bearing shell; 6, 9 - thrust bearing...
The engine crankshaft is a seven-bearing one (Fig. 3.10). 1 - bolt; 2 - spacer washer; 3 - damper; 4 - star; 5, 10 - bearing shell; 6, 9 - thrust bearing...
Crankshaft bearing shells
The main and connecting rod bearing shells are bimetallic three-layer. Radial clearance between the bearing shells and the main/connecting rod journals of the...
The main and connecting rod bearing shells are bimetallic three-layer. Radial clearance between the bearing shells and the main/connecting rod journals of the...
Flywheel — design description
The flywheel of the power unit with automatic transmission is the drive disk (fig. 3.11.a) with a toothed ring for the starter and the mass of the torque...
The flywheel of the power unit with automatic transmission is the drive disk (fig. 3.11.a) with a toothed ring for the starter and the mass of the torque...
Torsional vibration damper
The torsional vibration damper is made with two mounting structures and has a diameter from 200 to 270 mm (3. see fig. 3.10). 1 - bolt; 2 - spacer washer; 3 -...
The torsional vibration damper is made with two mounting structures and has a diameter from 200 to 270 mm (3. see fig. 3.10). 1 - bolt; 2 - spacer washer; 3 -...
Piston group — design description
1, 2 - compression ring; 3 - oil scraper ring; 4 - piston; 5 - piston pin; in - retaining ring (∅ 22x1.5); 7 - Upper head bushing; 8 - connecting rod; 9 -...
1, 2 - compression ring; 3 - oil scraper ring; 4 - piston; 5 - piston pin; in - retaining ring (∅ 22x1.5); 7 - Upper head bushing; 8 - connecting rod; 9 -...
Valve timing mechanism — design description
The engine uses a valve timing mechanism with overhead intake and exhaust camshafts, the cams of which act on the valves through cylindrical hydraulic tappets....
The engine uses a valve timing mechanism with overhead intake and exhaust camshafts, the cams of which act on the valves through cylindrical hydraulic tappets....
D-VANOS system — design description
The D-VANOS system is designed to change the engine valve timing depending on the engine crankshaft speed and its load, by changing the angular position of the...
The D-VANOS system is designed to change the engine valve timing depending on the engine crankshaft speed and its load, by changing the angular position of the...
Checking the compression in the cylinders
Before removing the engine, the compression value should be checked, as one of the main operations that determines the degree of engine wear and the need for...
Before removing the engine, the compression value should be checked, as one of the main operations that determines the degree of engine wear and the need for...
Removal and installation the engine
Depending on the vehicle's production period and model, the layout of its equipment, electrical harnesses, pipes and hoses may be laid in the engine...
Depending on the vehicle's production period and model, the layout of its equipment, electrical harnesses, pipes and hoses may be laid in the engine...
Replacing the cylinder head cover seal
The design of the cylinder head cover and parts of the actuator unit of the D-VANOS system is shown in Fig. 3.63. Fig. 3.63. Cylinder head cover: 1, 19 - plug;...
The design of the cylinder head cover and parts of the actuator unit of the D-VANOS system is shown in Fig. 3.63. Fig. 3.63. Cylinder head cover: 1, 19 - plug;...
Replacing the cylinder head gasket
One of the most common reasons for removing the engine cylinder head is damage to the sealing gasket (43, see Fig. 3.4) between the head (1) and the cylinder...
One of the most common reasons for removing the engine cylinder head is damage to the sealing gasket (43, see Fig. 3.4) between the head (1) and the cylinder...
Lapping the valve seat
Attention! Valve seats cannot be replaced, as they are installed cooled to a temperature of -150°C. Lapping of the valve seat is required if it has signs of...
Attention! Valve seats cannot be replaced, as they are installed cooled to a temperature of -150°C. Lapping of the valve seat is required if it has signs of...
Checking the valve guide bushing
When checking the technical condition of the engine cylinder head, special attention should be paid to the degree of wear of the valve guide bushings. Checking...
When checking the technical condition of the engine cylinder head, special attention should be paid to the degree of wear of the valve guide bushings. Checking...
Checking the sealing plane of the cylinder head
The cylinder head sealing plane must be checked in the following order. Remove and disassemble the cylinder head. Check the flatness (warping) the sealing...
The cylinder head sealing plane must be checked in the following order. Remove and disassemble the cylinder head. Check the flatness (warping) the sealing...
Replacing the oil pan
Attention! There is very little space to remove the engine oil pan, so it is necessary to lower the front axle beam. It is not necessary to measure the front...
Attention! There is very little space to remove the engine oil pan, so it is necessary to lower the front axle beam. It is not necessary to measure the front...
Replacing the lower timing belt cover
The design of the lower timing belt cover is shown in Fig. 3.77. 1 - timing belt cover, lower; 2 - hairpin (4 pcs.); 3 - cylindrical pin (2 pcs.); 4 - oil...
The design of the lower timing belt cover is shown in Fig. 3.77. 1 - timing belt cover, lower; 2 - hairpin (4 pcs.); 3 - cylindrical pin (2 pcs.); 4 - oil...
Replacing the front crankshaft oil seal
The front crankshaft oil seal must be replaced in the following order. Prepare the tools "11.2.380", "11.2.383", "11.2.385" and "11.3.280". Remove the...
The front crankshaft oil seal must be replaced in the following order. Prepare the tools "11.2.380", "11.2.383", "11.2.385" and "11.3.280". Remove the...
Replacing the crankshaft oil seal
The rear crankshaft oil seal, on the gearbox side, must be replaced in the following order. Remove the gearbox. Drain the engine oil and remove the flywheel....
The rear crankshaft oil seal, on the gearbox side, must be replaced in the following order. Remove the gearbox. Drain the engine oil and remove the flywheel....
Replacing the crankshaft
Replacing the crankshaft (see fig. 3.10) the engine must be carried out in the following order. 1 - bolt; 2 - spacer washer; 3 - damper; 4 - star; 5, 10 -...
Replacing the crankshaft (see fig. 3.10) the engine must be carried out in the following order. 1 - bolt; 2 - spacer washer; 3 - damper; 4 - star; 5, 10 -...
Replacing the crankshaft main bearing shells
The replacement of the crankshaft main bearing shells must be carried out in the following order. Prepare the device "00.2.590", "00.9.120" and "11.2.110"....
The replacement of the crankshaft main bearing shells must be carried out in the following order. Prepare the device "00.2.590", "00.9.120" and "11.2.110"....
Replacing connecting rod bearing shells
Note: The connecting rod head bearing is different from the connecting rod cap bearing. Please pay attention to the crankshaft oversize. Checking the radial...
Note: The connecting rod head bearing is different from the connecting rod cap bearing. Please pay attention to the crankshaft oversize. Checking the radial...
Flywheel replacement
Attention! After replacing the flywheel, it is necessary to re-adjust the position of the engine shaft speed sensor. The flywheel must be removed in the...
Attention! After replacing the flywheel, it is necessary to re-adjust the position of the engine shaft speed sensor. The flywheel must be removed in the...
Replacing the torsional vibration damper
Caution! When replacing the vibration damper, do not damage the engine cooling system radiator. The torsional vibration damper must be replaced in the...
Caution! When replacing the vibration damper, do not damage the engine cooling system radiator. The torsional vibration damper must be replaced in the...
Replacing pistons
Attention! Pistons and piston pins are matched as a pair and cannot be disassembled. The crankshaft connecting rod bearing cap is machined together with the...
Attention! Pistons and piston pins are matched as a pair and cannot be disassembled. The crankshaft connecting rod bearing cap is machined together with the...
Replacing piston rings
Note: The markings may not be visible on used rings. Place removed rings in their cylinder numbering sequence and position on the piston. Install new pistons...
Note: The markings may not be visible on used rings. Place removed rings in their cylinder numbering sequence and position on the piston. Install new pistons...
Replacing the camshaft
Attention! It is strictly forbidden to replace camshafts without using special tools, due to their possible breakage. The camshafts can be replaced without...
Attention! It is strictly forbidden to replace camshafts without using special tools, due to their possible breakage. The camshafts can be replaced without...
Checking the valve timing
The valve timing check must be carried out in the following order. Prepare the devices "00.9.250", "11.2.300", "11.3.240", "11.3.450" and "11.4.220". Remove...
The valve timing check must be carried out in the following order. Prepare the devices "00.9.250", "11.2.300", "11.3.240", "11.3.450" and "11.4.220". Remove...
Adjusting the engine valve timing
Adjustment of the valve timing of the camshafts must be preceded by checking the valve timing. Attention! During the work, do not allow the engine shaft to...
Adjustment of the valve timing of the camshafts must be preceded by checking the valve timing. Attention! During the work, do not allow the engine shaft to...
Replacing the chain tensioner plunger
The design of the chain tensioner is shown in Fig. 3.123 1 - cylinder; 2 - sealing ring; 3 - spring; 4 - plunger Caution! The target tensioner plunger is under...
The design of the chain tensioner is shown in Fig. 3.123 1 - cylinder; 2 - sealing ring; 3 - spring; 4 - plunger Caution! The target tensioner plunger is under...
Replacing valves
The design of the valve mechanism is shown in Fig. 3.124. 1 - valve; 2 - oil seal; 3 - lower spring plate; 4 - valve spring; 5 - upper spring plate; 6 -...
The design of the valve mechanism is shown in Fig. 3.124. 1 - valve; 2 - oil seal; 3 - lower spring plate; 4 - valve spring; 5 - upper spring plate; 6 -...
Replacing valve stem seals
Attention! Work on replacing oil scraper caps must be carried out when the corresponding cylinder is at BDC. One of the reasons for increased oil consumption...
Attention! Work on replacing oil scraper caps must be carried out when the corresponding cylinder is at BDC. One of the reasons for increased oil consumption...
Replacing all valve springs
Attention! Hydraulic tappets that have been in operation must be installed only in their original places. All valve springs must be replaced in the following...
Attention! Hydraulic tappets that have been in operation must be installed only in their original places. All valve springs must be replaced in the following...
Replacing the actuator unit of the D-VANOS system
Attention! The sequence of operations for removing and installing the actuator unit of the D-VANOS system is different. The VANOS actuator unit must be removed...
Attention! The sequence of operations for removing and installing the actuator unit of the D-VANOS system is different. The VANOS actuator unit must be removed...
Checking hydraulic tappets
All engines of the M54, M62 and N62 models installed on BMW X5/E53 series vehicles are equipped with hydraulic valve lifters. The hydraulic lifters must be...
All engines of the M54, M62 and N62 models installed on BMW X5/E53 series vehicles are equipped with hydraulic valve lifters. The hydraulic lifters must be...
Replacing the electromagnetic valves of the D-VANOS system
Attention! Oil drips from the EMC after unscrewing them. Collect it with a rag and send it for disposal. Ensure the safety of electrical wires and belts....
Attention! Oil drips from the EMC after unscrewing them. Collect it with a rag and send it for disposal. Ensure the safety of electrical wires and belts....
Replacing engine mount brackets
The bracket (2) of the right engine mount must be replaced in the following order. Remove the engine auxiliary mechanism protection panel and secure the engine...
The bracket (2) of the right engine mount must be replaced in the following order. Remove the engine auxiliary mechanism protection panel and secure the engine...
Tightening torques of the main connections of the M54 engine
Engine cylinder block Bolts (M10) for fastening the crankshaft main bearing caps (replace bolts, do not wash off the coating of the bolts and lubricate with...
Engine cylinder block Bolts (M10) for fastening the crankshaft main bearing caps (replace bolts, do not wash off the coating of the bolts and lubricate with...
This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
Similar sections for other types of BMW cars:
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Power unit: Petrol engine M54 BMW X3 E83 (2003-2010)
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