Comprehensively Upgraded

to Restore Stable Engine Cooling Performance for BMW

TiBAO HD radiator fans are engineered for BMW aftermarket applications, delivering reliable and efficient cooling performance. Designed with a reinforced blade structure, heavy-duty motor system, precision-balanced assembly, and OE-standard fitment, they provide consistent airflow and stable operation under high-temperature and demanding driving conditions.

With optimized electronic control response and durable internal components, TiBAO HD radiator fans effectively address common cooling system issues such as engine overheating, weak airflow, excessive vibration, abnormal noise, unstable fan speed, and premature motor failure.

• Engine overheating

Insufficient airflow or delayed fan response can cause coolant temperatures to rise rapidly, reducing cooling efficiency and affecting overall engine performance.

• Weak airflow

Low airflow output caused by blade deformation or inefficient fan design may lead to inadequate heat dissipation.

• Fan noise

Bearing wear, motor imbalance, or poor blade precision may generate abnormal operating noise and vibration.

• Unstable fan speed

Inconsistent electronic control signals can result in fluctuating fan speeds and reduced cooling effectiveness.

• Premature motor failure

Low-quality motor components and insufficient heat resistance can shorten service life under continuous high-temperature operation.

• Excessive vibration

Poor dynamic balance and structural instability can increase vibration levels, affecting overall driving comfort.

3 Key Upgrades

for Stable BMW Cooling

1. Heavy-Duty Motor System

Stronger Power • More Stable Cooling

Upgraded motor technology provides powerful and consistent airflow under demanding operating conditions. It helps maintain optimal engine temperature during city driving, highway cruising, towing, and high-load applications.

2. Reinforced Fan Blade & Dynamic Balance

Lower Vibration • Quieter Operation

High-strength fan blades combined with precision dynamic balancing technology reduce noise and vibration while improving airflow efficiency. This contributes to smoother operation and extended service life.

3. Optimized Electronic Control Response

Faster Response • Stable Temperature Control

Advanced electronic control integration ensures accurate fan speed adjustment according to BMW cooling system requirements. This enables faster thermal management and stable cooling performance across various driving conditions.

TiBAO HD Radiator Fan

Stable Cooling for BMW

Designed for reliable airflow, precise fitment, and long-lasting durability, the TiBAO HD Radiator Fan helps restore original cooling system performance and reduce common cooling-related failures.

An ideal aftermarket replacement solution for BMW 1 Series, 3 Series, 5 Series, 7 Series, X1, X3, X5, X6 and other BMW vehicle platforms.

No.	Picture	N,ID	OEM	Parts Name	Model	Remark	Automaker	Supporting brand	Brand
1		508789	17 42 8 655 761	Radiator Fan	G18/G05/G06/G07	600W	BMW	Johnson Electric	TiBAO HD
2		508788	17 42 8 487 637	Radiator Fan	G08	600W	BMW	Johnson Electric	TiBAO HD
3		508787	17 42 8 472 314	Radiator Fan	G08/G02	400W	BMW	Johnson Electric	TiBAO HD
4		508786	17 42 8 655 760	Radiator Fan	G18/G05/G06/G07	400W	BMW	Johnson Electric	TiBAO HD
5		508785	17 42 8 487 636	Radiator Fan	G08/G02	400W	BMW	Johnson Electric	TiBAO HD
6		508784	17 42 8 621 191	Radiator Fan	F30/F35/F20/F22/F23/F31/F32/F33/F34/F36	400W	BMW	Johnson Electric	TiBAO HD
7		497014	17 42 7 523 259	Radiator Fan	E81/E87/E90	400W	BMW	Johnson Electric	TiBAO HD