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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Manufacturer Restriction | Bosch |
| Thread Size | M 10 |
| Glow Plug Design | SK |
| Rated Voltage [V] | 7 V |
| Thread Pitch [mm] | 1 mm |
OE/OEM numbers (4)
Search by this OE number to find compatible parts
- BMW / MINI—1223 0 035 934
- BMW / MINI—1223 0 038 490
- BMW / MINI—1223 0 053 522
- BMW / MINI—1223 7 803 368
Where this part fits
Original-fit position for OE 12230053522. The red ring marks where this part installs on the vehicle.
About this product
The TOPRAN Glow Plug (503 043) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Manufacturer Restriction: Bosch, Thread Size: M 10, Glow Plug Design: SK, Rated Voltage [V]: Ceramic V, Supplementary Article/Info 2: 846. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit BMW, MINI 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: 0 250 603 006, 0 250 703 001, 060900600606, 062900109304 and 84 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Glow Plug buying guide
Why replace this part?
Glow plugs pre-heat diesel combustion chambers to ensure reliable cold starting and clean combustion on startup. Worn glow plugs cause difficult cold-weather starting, white smoke on startup, and increased wear on starter motors.
Signs you need a replacement
- Difficult starting in cold weather
- white or blue smoke on cold start
- glow plug warning light staying on
- engine misfiring during warm-up
- increased starter motor cranking time
When to replace
Every 60,000–80,000 miles or when cold-starting problems develop. Replace all plugs as a set — a single failed plug causes uneven cylinder temperatures.
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 (86)
Show all 86 OE numbers
Glow Plug TOPRAN 503 043 — compatible car models
| Car models | BMW: 1 Convertible (E88), 1 Coupe (E82), 1 (E81), 1 (E87), 1 (F20), 1 (F21), 1 (F40), 2 Active Tourer (F45), 2 Active Tourer (U06), 2 Convertible (F23) (+20 more) |
|---|---|
| Engines | 118 d; 116 d; 114 d; 216 d; 218d; 218 d; 220 d Mild-Hybrid; 320 d; 316 d; 318 d; 316 d Mild-Hybrid; 420 d; 420 d Mild-Hybrid; 418 d; 520 d |
| Year of manufacture | 2001-2021 |
| Manufacturer article number (MPN) | 503 043 |
| OE part numbers | 1223 0 035 934, 1223 0 038 490, 1223 0 053 522, 1223 7 803 368 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 503043 . Glow Plug Design: SK. Manufacturer Restriction: Bosch. Rated Voltage [V]: 7 V. Supplementary Article/Info 2: 846. Thread Pitch [mm]: 1 mm. Thread Size: M 10
- 1x Glow Plug
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 Glow Plug compatible with my car?
This Glow Plug fits BMW, MINI 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 Glow Plug have?
This TOPRAN Glow Plug has the following specifications: Manufacturer Restriction: Bosch; Thread Size: M 10; Glow Plug Design: SK; Rated Voltage [V]: 7 V; Supplementary Article/Info 2: 846; Thread Pitch [mm]: 1 mm. Check the full specifications table above for complete details.
What OE part numbers does this Glow Plug replace?
This Glow Plug replaces OE part numbers: 1223 0 035 934, 1223 0 038 490, 1223 0 053 522, 1223 7 803 368. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Glow Plug cost?
This TOPRAN Glow Plug is available for £19.99. Glow Plug 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 Glow Plug?
On diesel engines: difficulty starting in cold weather, excessive white smoke from the exhaust on startup, rough running until the engine warms, the glow plug warning light staying on, or one cylinder misfiring when cold.
What tools do I need to replace a Glow Plug?
Tools needed: 10mm hex deep socket for glow plug, torque wrench (10-15 Nm), penetrating oil (apply 24 hours before removal on high-mileage engines), glow plug extraction kit (for seized plugs). Difficulty: Moderate DIY. Safety warning: Apply penetrating oil well in advance on older diesel engines -- forced removal of seized glow plugs snaps them in the cylinder head, requiring specialist extraction. Never over-torque replacements.
Can I use this part as a replacement for OE 1223 0 035 934?
Yes, this TOPRAN Glow Plug is a direct replacement for OE part number 1223 0 035 934. 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.
