مميزات خاصة

Stable control of oil: Through the oil scraping edge structure, the excess oil on the cylinder wall can be scraped back to the oil bottom shell. At the same time, it avoids the oil from entering the combustion chamber to participate in combustion, and effectively prevents carbon accumulation and excessive oil consumption.
Auxiliary heat dissipation: Part of the heat generated by combustion at the top of the piston can be transferred to the cylinder block through contact with the cylinder wall, and then taken away by the cooling system to help the piston maintain a reasonable working temperature and extend the service life.
Improve wear resistance and temperature resistance: Made of high-quality alloy materials, with excellent high-temperature resistance and wear resistance, it can adapt to the complex working conditions inside the engine and reduce the risk of failure caused by daily wear.
High-efficiency sealed gas: It can closely fit the cylinder wall and the piston, prevent the leakage of high-temperature and high-pressure gas into the crankcase in the combustion chamber to the greatest extent, ensure the efficiency of engine power output, reduce energy loss, and greatly reduce fuel consumption by more than 40%.
6pcs N52B2 Engine Pistons&Rings Set Φ82mm CR 11:1 11257612982 11257561848 Compatible For BMW E60 E90 E92 323i 525i X1 X3 X4 N52B25 2.5

وصف

OE#
11 25 7 612 982
11 25 7 561 848
Replacement OE#
11 25 7 561 844
11 25 7 542 057
40407600 40444600
31-04619-000
WG1016610
Description
- STD 0.00 spec (no fit cylinder expand)
- Cylinder bore 82.00mm
- Wrist Diameter 20mm
- Wrist Length 46mm
- Ring thickness 1st 1.2mm / 2nd 1.5mm / 3rd 2.0mm
Package includes
Pistons & Rings x6
Fit Car Model
Model Produce Year Fit Engine
Compatible For BMW N52B25 Compression ratio 111
323i 20052011 E90 E91 E92 E93
325i 325xi 20062011 E90 E91 E92 E93
523i 20052011 E60 E61 F10 F11
525i 525xi 20052010 E60 E61
X1 20092012 E84
X3 20062010 E83
Z4 20062011 E85 E89
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6 قطعة N52B2 محرك بيستونز وخواتم مجموعة Φ82mm CR 11:1 11257612982 11257561848 متوافق مع BMW E60 E90 E92 323i 525i X1 X3 X4 N52B25 2.5

مميزات خاصة

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