RC.600.265 12v air conditioner DCP05016 64526910458 For BMW 520I / 525I / 530I / 540I WXBM011
Parameter :
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Model Number
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WXBM011
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Car Model
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For BMW 520I / 525I / 530I / 540I
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Type
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7SBU16C 5PK
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| Warranty |
1 year
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| OE No. |
RC.600.265
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Product pictures
Types of Automotive A/C Compressors
1.Piston Compressors
- Reciprocating Piston Type:
Uses multiple pistons in cylinders (typically 5-10 cylinders)
Common in older vehicles and some heavy-duty applications
Known for durability but less efficient than newer designs
- Swash Plate/Wobble Plate Type:
Single set of pistons mounted on angled plate
Compact design used by many OEM manufacturers
Provides smooth operation with fewer moving parts
2.Rotary Vane Compressors
- Uses rotating vanes in an elliptical chamber
- Extremely quiet operation
- Common in Japanese and European vehicles
- Requires precise manufacturing tolerances
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3.Scroll Compressors
- Spiral-shaped fixed and orbiting scrolls
- Fewest moving parts (only 2 main components)
- Highest efficiency (up to 15% more than piston types)
- Increasingly popular in hybrid/electric vehicles
4.Variable Displacement Compressors
- Automatically adjusts output to match cooling demand
- No clutch cycling (runs continuously)
Two subtypes:
- Wobble Plate Variable - Common in GM/Delphi systems
- Swash Plate Variable - Used by Denso, Sanden
5.Electric Compressors
- Used in hybrid and electric vehicles
- Powered by high-voltage battery (200-400V)
- Compact, oil-free designs
- Precise speed control for energy efficiency
Key Selection Factors:
- Vehicle Compatibility: Must match OEM specifications
- Displacement Volume: Typically 100-180cc for passenger cars
- Mounting Configuration: Different bracket designs
- Refrigerant Type: R134a vs R1234yf compatibility
- Electrical Requirements: Clutch voltage/power needs
Exhibition pictures
Main problem
Poor AC performance can often be attributed to either compressor failure or low refrigerant levels. Unfortunately, these components work closely together, making it difficult to determine the exact cause of your AC troubles. So how can you determine if it is a compressor issue? There are a few subtle symptoms to be aware of:
1. Insufficient Cooling: If your AC system is not producing cold air or if it takes a long time to cool the cabin, it could be a sign of compressor dysfunction.
2. Unusual Noises: If you hear unusual noises, such as grinding or squealing, coming from the engine area while the AC is running, it may indicate a problem with the compressor.
3. AC Clutch Problems: If the AC clutch does not engage or disengage properly or if it constantly cycles on and off, it could be a sign of compressor malfunction.
4. Refrigerant Leaks: If you notice a decrease in the amount of refrigerant in your AC system, it may be due to a compressor issue.
If you experience any of these symptoms, it is advisable to have your vehicle inspected by a qualified technician to properly diagnose and resolve the problem.
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