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CP247
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BrandTOPRAN
MPN501 438
OE refs2
SKU0301-501 438

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SpecificationValue
BrandTOPRAN

OE/OEM numbers (2)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 11517542128. The red ring marks where this part installs on the vehicle.

Connector — BMW 1 E87 — 11 Engine › 11_3192 Waterpump - Thermostat
BMW 1 E87 · 11 Engine › 11_3192 Waterpump - ThermostatPosition 07

About this product

When coolant flange performance matters, the TOPRAN 501 438 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Fitting Position: 73, Material: 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: 00086234, 003-60-12138, 05290, 08.10.098 and 26 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.

Coolant Flange buying guide

Why replace this part?

Coolant outlet flanges and pipe connectors direct coolant flow through the engine circuit. Plastic flanges crack from thermal cycling; metal flanges develop pinhole corrosion. Either causes coolant loss and overheating.

Signs you need a replacement

  • Coolant leak at a pipe junction on the engine
  • white crystalline deposit around a fitting
  • rapid coolant consumption
  • overheating
  • steam under the bonnet

When to replace

Inspect every 60,000–80,000 miles. Plastic flanges are a known weak point — replace proactively during major cooling system work.

Installation difficulty:Moderate — requires basic tools and mechanical knowledge

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 (31)

Show all 31 OE numbers
3RG50103£3.99
AslyxAS-202654
BAPMICBF0426660435
BBR Automotive003-60-12138
BGAFA0906
BORG & BECKBTS1080
CAUTEX754703
DIAMAXAD06088
FARE-CO10212
FARE-MX10212
FARE-RCH10212
FARE SA10212
FIRST LINEFTS1080
FREY824401401
GOOMCF-0105
MATRIX PROMX01200107
MAXGEAR18-0777
MAXGEAR18-0798
Metalcaucho05290
METZGER AUTOTEILE4010228
ORIGINAL IMPERIUM90588
OSSCA51458
PLYOMP754703
STCT405290
TRUCKTEC AUTOMOTIVE08.10.098
VAICOV20-0862
vika19750701
WILMINK GROUPWG1992172

Coolant Flange TOPRAN 501 438compatible car models

Car modelsBMW: 1 Coupe (E82), 1 (E81), 1 (E87), 3 Compact (E46), 3 Convertible (E46), 3 Coupe (E46), 3 Coupe (E92), 3 (E46), 3 (E90), 3 Touring (E46) (+5 more)
Engines120 i; 116 i; 316 ti; 318 Ci; 316 Ci; 320 i; 316 i; 318 i; 520 i; sDrive 18 i; 2.0 i
Year of manufacture1997-2015
Manufacturer article number (MPN)501 438
OE part numbers1151 7 502 394, 1151 7 542 128
Compatibility check

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Description and what's included

TOPRAN 501438 . Fitting Position: 73. Material: 6

What's included:
  • 1x Coolant Flange
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 Coolant Flange compatible with my car?

This Coolant Flange 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 Coolant Flange have?

This TOPRAN Coolant Flange has the following specifications: Fitting Position: 73; Material: 6. Check the full specifications table above for complete details.

What OE part numbers does this Coolant Flange replace?

This Coolant Flange replaces OE part numbers: 1151 7 502 394, 1151 7 542 128. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Coolant Flange cost?

This TOPRAN Coolant Flange is available for £3.99. Coolant Flange 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 Coolant Flange?

Regular inspection of your Coolant Flange 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 Coolant Flange?

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 Coolant Flange fitted by a professional mechanic.

Can I use this part as a replacement for OE 1151 7 502 394?

Yes, this TOPRAN Coolant Flange is a direct replacement for OE part number 1151 7 502 394. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.

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