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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Overall Length [mm] | 405 mm |
| Cable Length [mm] | 345 mm |
| Number of pins | 1 -pin connector |
OE numbers (1)
Search by this OE number to find compatible parts
- BMW—1242 7 789 231
Where this part fits
Original-fit position for OE 12427789231. The red ring marks where this part installs on the vehicle.

About this product
When cable repair set glow plug control unit performance matters, the TOPRAN 504 488 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Overall Length [mm]: 405 mm, Cable Length [mm]: 345 mm, Number of pins: Steel -pin connector, Plug Type: Nylon, Connector Shape: Plastic. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with BMW vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 08.17.083, 1242 7 789 231, 132297, 20326 and 3 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TOPRAN 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
About TOPRAN
TOPRAN, part of the Hans Thomsen Group headquartered in Hamburg, Germany, is a growing independent aftermarket brand focused on providing quality parts at accessible prices. TOPRAN offers a comprehensive range covering engine, cooling, electrical, braking, and body components for European vehicles. All TOPRAN products are manufactured to meet OE specifications and undergo quality testing before distribution. Combining German quality management with competitive pricing, TOPRAN is an excellent choice for cost-conscious motorists and workshops who do not want to compromise on part quality.
Suitable cars
Equivalent products (6)
Cable Repair Set Glow Plug Control Unit TOPRAN 504 488 — compatible car models
| Car models | BMW: 1 Convertible (E88), 1 Coupe (E82), 1 (E81), 1 (E87), 3 Compact (E46), 3 Convertible (E46), 3 Coupe (E46), 3 Coupe (E92), 3 (E46), 3 (E90) (+15 more) |
|---|---|
| Engines | 118 d; 116 d; 318 td; 320 Cd; 320 d; 318 d; 316 d; 520 d; 525 d; 530 d; 635 d; 730 d; sDrive 18 d; 2.0 d; 3.0 d (+1 more) |
| Year of manufacture | 1997-2017 |
| Manufacturer article number (MPN) | 504 488 |
| OE part numbers | 1242 7 789 231 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 504488 . Cable Length [mm]: 345 mm. Connector Shape: 6. Number of pins: 1 -pin connector. Overall Length [mm]: 405 mm. Plug Type: 14
- 1x Cable Repair Set Glow Plug Control Unit
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- 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 Cable Repair Set Glow Plug Control Unit compatible with my car?
This Cable Repair Set Glow Plug Control Unit 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 TOPRAN Cable Repair Set Glow Plug Control Unit have?
This TOPRAN Cable Repair Set Glow Plug Control Unit has the following specifications: Overall Length [mm]: 405 mm; Cable Length [mm]: 345 mm; Number of pins: 1 -pin connector; Plug Type: 14; Connector Shape: 6. Check the full specifications table above for complete details.
What OE part numbers does this Cable Repair Set Glow Plug Control Unit replace?
This Cable Repair Set Glow Plug Control Unit replaces OE part numbers: 1242 7 789 231. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Cable Repair Set Glow Plug Control Unit cost?
This TOPRAN Cable Repair Set Glow Plug Control Unit is available for £24.99. Cable Repair Set Glow Plug Control Unit prices vary depending on brand, specifications, and vehicle compatibility. TOPRAN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Cable Repair Set Glow Plug Control Unit?
Regular inspection of your Cable Repair Set Glow Plug Control Unit 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 Cable Repair Set Glow Plug Control Unit?
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 Cable Repair Set Glow Plug Control Unit fitted by a professional mechanic.
Can I use this part as a replacement for OE 1242 7 789 231?
Yes, this TOPRAN Cable Repair Set Glow Plug Control Unit is a direct replacement for OE part number 1242 7 789 231. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.