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Details
| Specification | Value |
|---|---|
| Brand | HEPU |
| MPN | tm7078 |
OE numbers (2)
Search by this OE number to find compatible parts
- BMW—11531705220
- BMW—11537502525
Where this part fits
Original-fit position for OE 11537502525. The red ring marks where this part installs on the vehicle.
About this product
The HEPU Coolant Pipe (TM7078) 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: Material: 33, Material: 55, Cooling Hose: Ceramic. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. 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: 001-10-17073, 004-028-122, 02-2789, 03026 and 46 more. Matching these numbers confirms a like-for-like replacement with no loss of function. HEPU 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.
Suitable cars
Equivalent products (49)
Show all 49 OE numbers
Coolant Pipe HEPU TM7078 — compatible car models
| Car models | BMW: 5 (E39), 5 Touring (E39), 7 (E38), Z3 Coupe (E36), Z3 Roadster (E36), Z4 Roadster (E85) |
|---|---|
| Engines | 520 i; 728 i, iL; 2.8 i; 2.0 i; 2.2 i |
| Year of manufacture | 1994-2009 |
| Manufacturer article number (MPN) | TM7078 |
| OE part numbers | 11531705220, 11537502525 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
HEPU tm7078 . Cooling Hose: 7. Material: 33. Material: 55
- 1x Coolant Pipe
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 Coolant Pipe compatible with my car?
This Coolant Pipe 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 HEPU Coolant Pipe have?
This HEPU Coolant Pipe has the following specifications: Material: 33; Material: 55; Cooling Hose: 7. Check the full specifications table above for complete details.
What OE part numbers does this Coolant Pipe replace?
This Coolant Pipe replaces OE part numbers: 11531705220, 11537502525. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Coolant Pipe cost?
This HEPU Coolant Pipe is available for £44.99. Coolant Pipe prices vary depending on brand, specifications, and vehicle compatibility. HEPU 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 Pipe?
Regular inspection of your Coolant Pipe 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 Pipe?
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 Pipe fitted by a professional mechanic.
Can I use this part as a replacement for OE 11531705220?
Yes, this HEPU Coolant Pipe is a direct replacement for OE part number 11531705220. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the HEPU TM7078 the same as the HEPU TM7001?
No, while both are Coolant Pipe parts, they are different products. The HEPU TM7078 has Material: 33, Material: 55, Cooling Hose: 7. The HEPU TM7001 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
