High-quality thermostat assembly 1153 8635 689 for N20
Price:
17.6USD
MOQ:
1pcs
Delivery Time:
3-7days
Brand:
Boigevis
Product Description
Core Selling Points
High-failure cooling control part with sustainable repeat bulk orders
Electronic thermostat assemblies are typical aging vulnerable parts for N20 engines. Original units suffer plastic housing cracking, built-in wax element failure, sensor signal drift, sealing ring aging leakage after long-term high-temperature engine bay operation and coolant corrosion. Damaged thermostats lead to erratic coolant temperature, slow cold warm-up, engine overheating under stop-and-go traffic, increased fuel consumption, ECU cooling system fault codes and turbo overheating risk. Professional BMW repair stores and global export distributors place recurring bulk orders, with fast inventory turnover and steady profit margins for dealers.
100% OE precise fit, direct bolt-on installation without modification
Manufactured strictly following BMW OEM standards: overall housing contour, multi-port coolant pipe thread, two-pin waterproof electronic sensor plug, dual mounting bolt hole spacing, built-in wax valve opening temperature (103°C) fully match genuine 11538635689. Cross interchange equivalent OE codes: 11538648791, 11537633477. Complete with integrated sealing gasket as standard; no cutting, grinding or wiring modification required during replacement, drastically shorten engine front cooling system maintenance labor hours.
Compatible Vehicle Range (N20 / N26 2.0T Engine)
- 1 Series F20 / F21: 125i
- 2 Series F22 / F23: 228i
- 3 Series F30 / F31 / F34: 320i, 328i
- 4 Series F32 / F33 / F36: 428i
- 5 Series F10 / F11: 520i, 528i
- SUV Models: X1 E84/F48, X3 F25, X4 F26, X5 F15
- Roadster: Z4 E89
Reinforced high-temperature anti-corrosion integrated structure
- Thickened reinforced PA66 plastic housing, UV resistant, long-term 130℃ high temperature not easy to crack or deform
- High-precision wax thermal expansion core, stable opening/closing response, accurate temperature control
- Waterproof two-pin electronic induction sensor, stable signal transmission for ECU dynamic adjustment of cooling flow
- Built-in thickened EPDM sealing ring, compatible with all ethanol mixed antifreeze, permanent anti-coolant seepage
- Reinforced mounting ribs with uniform force distribution, avoid housing warping after long bolt fastening
Intelligent temperature regulation to protect turbo engine
Real-time adjust coolant circulation flow according to engine load, speed and water temperature via ECU electronic control. Speed up cold engine warm-up to reduce fuel consumption and carbon deposit accumulation; stabilize engine operating temperature during idling, high-speed and climbing, prevent turbocharger and cylinder head from high-temperature ablation, keep cooling system working within rated pressure range.
Fully resolve typical thermostat failure faults
- Drastic fluctuation of dashboard coolant temperature gauge
- Engine temperature spikes to overheating warning in congested city traffic
- Extremely slow warm-up, no hot air from heater in cold winter
- Coolant seepage at thermostat housing flange and pipe joints
- ECU stores cooling system temperature sensor malfunction fault codes
- Higher fuel consumption and incomplete combustion carbon buildup
Rigorous multi-stage factory testing & sufficient spot stock
Every thermostat assembly undergoes hydraulic pressure leakage test, high-low temperature cycle aging test, wax element thermal performance calibration and sensor signal detection before delivery, compliant with IATF 16949 international automotive quality standards. Mass ready stock supports mixed one-stop bulk procurement with expansion tanks, cooling hoses, water pumps and complete N20 engine cooling overhaul kits. Custom neutral packaging and private label OEM services are available for cross-border wholesale buyers.
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Company
Boigevis Trading (guangzhou) Co., Ltd.
Location
A012, Liyuan Plaza, Yongfu Road, Yuexiu District, Guangzhou City, Guangdong Province, China
Contact Person
Jack