64538390971 A/C Pressure Switch Cross Reference
Brand Name | Reference Number |
BMW OE | 64 53 8 390 971 |
BMW OE (Alt) | 64 53 1 386 971 |
Hella | 6ZL 351 028-111 |
Vemo | V20-73-0004 |
Behr | 8UW 351 233-021 |
Santech | MT0216 |
Technical Specifications for E30 Wholesale
Technical Parameter | Specification Detail |
Thread Size | 7/16-20 UNF Female |
High Pressure Cut-Off | 30 kg/cm² OFF |
Low Pressure Cut-Off | 2.0 kg/cm² OFF |
Housing Material | Heavy Duty Plated Steel or Aluminum |
Connector Type | OE Standard 2-Pin Blade |
Refrigerant Compatibility | R12 and HFC R134a |
Quality Standard | IATF 16949 |
64538390971 Vehicle Application and Compatibility
Vehicle Make | Vehicle Model | Year Range |
BMW | 3 Series (E30) 318i / 325i | 1987 to 1993 |
BMW | 3 Series (E30) M3 | 1988 to 1991 |
BMW | 3 Series (E30) 318is | 1990 to 1991 |
BMW | 3 Series (E30) Touring | 1988 to 1994 |
BMW | Z1 Roadster | 1988 to 1991 |
Sourcing BMW 64538390971 Pressure Switches FAQs
Why is the dual-function logic of the 64538390971 critical for BMW E30 owners?
The E30 climate control system requires precise pressure management to protect the aging compressor and condenser. Our 64538390971 switch monitors both extremes: it prevents high-pressure damage during summer heatwaves and stops operation if the refrigerant leaks below 2.0kg/cm². Every unit is calibrated on an automated pressure bench to ensure these thresholds are met with 100 percent accuracy, reducing warranty claims for your wholesale business.
Can we implement private label laser marking for our 64538390971 bulk orders?
Yes. For our professional importers and European specialty wholesalers, we offer full private label services. We can laser-etch your brand logo and the 64538390971 OE number directly on the metal sensor body. We also provide custom-designed bulk packaging to help you build brand authority in the premium BMW classic parts market.
What is the standard lead time for manufacturing a wholesale order of this BMW switch?
Our lead time is fixed at 60 days. This duration is strictly necessary to fulfill our IATF 16949 quality protocols, which include precision diaphragm calibration and exhaustive vacuum leak testing for the 7/16-20 UNF female threads. This ensures that every 64538390971 unit arriving at your warehouse is ready for immediate high-volume distribution.
Is this switch compatible with R134a converted BMW E30 systems?
Absolutely. Although many E30s originally utilized R12, our modern 64538390971 is manufactured with internal materials that are fully resistant to both R12 and HFC R134a, as well as modern PAG and Ester oils. This makes it a versatile solution for the global E30 maintenance and restoration market.
Do you support mixed wholesale orders for different BMW electrical components?
Yes. We prioritize the flexibility required by international distributors. You can combine the 64538390971 with other BMW E30 or E36 electrical sensors to meet our 100-unit MOQ. This consolidation helps significantly reduce your per-unit shipping and logistics costs for maritime or air freight.
How do you protect the female threads and electrical pins during long-distance shipping?
Each 64538390971 switch is individually sealed in a moisture-proof industrial bag. For bulk orders, we utilize reinforced export-grade cartons with internal shock-absorbing dividers to prevent the pins and critical 7/16-20 UNF threads from bending or corroding. This ensures your order arrives in showroom condition ready for immediate retail or wholesale.
