ASTEMO Glow Plug Relay - 2502196
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RELAY GLOW PLUG SYSTEM 2502196 FOR BMW 3/E46/E91/E90/Convertible/X/SAV/E8 X3Free delivery in 1–3 days£84.22Visit shop →
Glow Plug System Relay Fits Alpina D3 BMW 1 Series 3 Series X3 HITACHI 2502196Free delivery in 1–3 days£95.06Visit shop →
RELAY GLOW PLUG SYSTEM 2502196 FOR BMW 3/E46/E91/E90/Convertible/X/SAV/E8 X3Free delivery in 1–3 days£97.18Visit shop →
2502196 Glow Plug System Relay Fits Alpina D3 Estate BMW 1 3 Coupe By ASTEMOFree delivery in 1–3 days£117.80Visit shop →
AutodocHITACHI Relay, glow plug system BMW,ALPINA 2502196 12217786821,12217801200,7786821 7801200
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Product Information
Full details
The ASTEMO Glow Plug Relay (2502196) is an essential electrical component designed for diesel engine owners who require reliable cold-start performance in specific BMW and ALPINA vehicles. Engineered to match or exceed original equipment specifications, it ensures your glow plug system operates efficiently under varying thermal conditions, though it requires professional installation to guarantee correct system integration and prevent electrical faults.
All features
| Model Part Number | 2502196 |
|---|---|
| Brand | ASTEMO |
Extended Product Information
FAQs
Is this relay compatible with non-BMW vehicles?
No, this specific model (2502196) is engineered for specific BMW and ALPINA diesel applications.
Can I install this part myself?
While technically possible, professional installation is recommended to ensure the relay is integrated correctly into the engine's electrical system.
How do I know if my glow plug relay is faulty?
Common signs include long cranking times in the cold, the glow plug dash light failing to turn on, or specific fault codes retrieved via an OBDII scanner.
Does this part replace OE 12217786821?
Yes, this relay is designed to be a direct replacement for OE numbers 12217786821, 12217801200, 7786821, and 7801200.
What is the primary function of this relay?
It serves as a high-current switch that controls the power supplied to the glow plugs during the engine's pre-heating phase.
Troubleshooting
Vehicle fails to start in cold temperatures
Check if the glow plug indicator light illuminates on the dashboard; if not, test the relay for proper power switching.
Rough idle immediately after cold start
Verify that all glow plugs are receiving voltage from the relay output pins.
Diagnostic fault code for glow plug circuit
Ensure the relay is securely seated and the connector pins are free from corrosion.
Pros and Cons
Pros
- Matches strict original equipment specifications
- Essential for consistent cold-weather starting
- High-quality construction ensures longevity
- Broad compatibility with popular BMW diesel platforms
Cons
- Professional installation is highly recommended
- Incorrect wiring can lead to system failure
- Limited to specific BMW and ALPINA diesel engine models
Setup, Compatibility & Care
To ensure proper function, verify that your existing relay matches one of the following OE reference numbers: 12217786821, 12217801200, 7786821, or 7801200. This unit is compatible with the BMW 1 Series (E87), 3 Series (E46, E90, E91), 5 Series (E60, E61), and the X3 (E83). Due to the electrical complexity of the glow plug system, have a certified technician perform the installation. During regular engine maintenance, visually inspect the wiring harness leading to the relay for any signs of heat damage, corrosion, or frayed insulation.