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Details
| Specification | Value |
|---|---|
| Brand | AIC |
| Voltage [V] | 12 V |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- BMW—12 21 7 788 327
- BMW—1221 7 801 201
Where this part fits
Original-fit position for OE 12217788327. The red ring marks where this part installs on the vehicle.
About this product
Sourced from AIC, this control unit glow time (74748) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Voltage [V]: Zinc V, Number of Cylinders: Plastic — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit BMW models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 0884031, 12 21 7 788 327, 1221 7 801 201, 240670034 and 14 more. Matching these numbers confirms a like-for-like replacement with no loss of function. AIC is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
Equivalent products (17)
Control Unit Glow Time AIC 74748 — compatible car models
| Car models | BMW: 3 Convertible (E46), 3 Convertible (E93), 3 Coupe (E46), 3 Coupe (E92), 3 (E46), 3 (E90), 3 Touring (E46), 3 Touring (E91), 5 (E60), 5 Touring (E61) (+7 more) |
|---|---|
| Engines | 330 Cd; 325 d; 330 d; 525 d; 635 d; 730 d; 3.0 d; 3.0 3.0d; xDrive 30 d |
| Year of manufacture | 1997-2015 |
| Manufacturer article number (MPN) | 74748 |
| OE part numbers | 12 21 7 788 327, 1221 7 801 201 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
AIC 74748 Original AIC Quality. Number of Cylinders: 6. Voltage [V]: 12 V
- 1x Control Unit Glow Time
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Control Unit Glow Time compatible with my car?
This Control Unit Glow Time fits BMW vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this AIC Control Unit Glow Time have?
This AIC Control Unit Glow Time has the following specifications: Voltage [V]: 12 V; Number of Cylinders: 6. Check the full specifications table above for complete details.
What OE part numbers does this Control Unit Glow Time replace?
This Control Unit Glow Time replaces OE part numbers: 12 21 7 788 327, 1221 7 801 201. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Control Unit Glow Time cost?
This AIC Control Unit Glow Time is available for £148.99. Control Unit Glow Time prices vary depending on brand, specifications, and vehicle compatibility. AIC parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Control Unit Glow Time?
Regular inspection of your Control Unit Glow Time is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Control Unit Glow Time?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Control Unit Glow Time fitted by a professional mechanic.
Can I use this part as a replacement for OE 12 21 7 788 327?
Yes, this AIC Control Unit Glow Time is a direct replacement for OE part number 12 21 7 788 327. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
