Remanufactured 9Pcs 8HP50 Transmission Solenoid Valve Kit OE0501221287 for BMW

This is professionally remanufactured full set 9PCS 8HP50 transmission solenoid valve kit, core OE codes:0501221287,0501221286,0501325143,0501219672, exclusively matched for BMW F30 3 Series with ZF 8HP50 eight-speed automatic transmission (2011-2021).

Solenoid valve is the core hydraulic control unit of ZF 8HP gearbox, which adjusts oil pressure to realize gear shifting. Aging & worn original solenoid leads to irregular shifting, acceleration jerk, gear slipping, fault code lighting and transmission limp mode. Our remanufactured solenoid set passes full hydraulic calibration test, perfect for 8HP50 gearbox overhaul replacement.

Note: Only fit vehicles equipped with original ZF 8HP50 gearbox, not applicable for 8HP45/8HP75 variant gearbox.

Strict Remanufacturing Process + Full OEM Parameter Calibration:

Dismantle original genuine solenoid, replace aging inner spring, sealing ring and electromagnetic coil; calibrate pressure parameter per OE standard 0501221287 series, consistent with factory output performance.

Complete 9PCS Full Set Matching:

One full kit includes all required shift & pressure control solenoids for 8HP50, no need to purchase separate single solenoid during overhaul, save matching trouble.

Effectively Fix Common ZF8HP Faults:

Solve shift shudder, delayed up/down shift, gear slip, fault alarm and limp-home mode caused by failed original solenoid valve.

1-Year Warranty + Pre-shipment Hydraulic Test:

All solenoids pass high-low pressure simulation test before delivery, support 1-year quality warranty; flexible MOQ=1pcs for sample order.

Multiple Global Shipping Options:

In-stock goods ship within3~7 working days via DHL/Fedex/UPS/TNT/EMS & sea bulk shipment.

1. Original solenoid complete disassembly, clean internal valve body & remove carbon sludge;
2. Replace all aging vulnerable accessories (spring, seal, coil);
3. Hydraulic bench pressure calibration according to OE specification;
4. High-low temperature aging test to simulate real engine compartment environment;
5. Final full function inspection before neutral export packing.

• Must be installed by experienced ZF transmission repair technician with dedicated disassembly tools;
• Clean valve body oil passage thoroughly before installing new reman solenoid, avoid residual impurity damage solenoid;
• Clear fault codes with professional diagnostic scanner after installation and complete multi-stage road test.

• Material: Aluminum Housing + Imported Electromagnetic Coil
• Single Gross Weight:2.5KG
• Package Dimension:20*20*10CM
• Packing: Independent anti-static box + outer export carton
• Lead Time:3~7 Working Days after payment confirmation
• Available Shipping:DHL,Fedex,Ups,TNT,EMS,Ocean Freight

We are professional transmission spare parts factory based in Guangdong China, specialized in remanufactured & brand-new AT/CVT/DCT spare parts including solenoid kit, valve body, pulley set, overhaul kit for European/American/Japanese vehicle gearbox, supplying global auto repair shops and spare parts wholesalers.

Q1: Which BMW model fits this 8HP50 solenoid kit?

A1: For BMW F30 3Series 2011-2021 with original ZF 8HP50 8AT transmission.

Q2: Is this item remanufactured or brand new?

A2: Professionally remanufactured from original genuine solenoid core, fully tested with OEM parameter.

Q3: What warranty can you provide?

A3: 1 year quality warranty against manufacturing defects.

Q4: Can I buy one set as trial sample?

A4: Yes, MOQ=1pcs, bulk order gets preferential wholesale price.