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Details
| Specification | Value |
|---|---|
| Brand | ERNST |
| Category | bracket, exhaust system |
OE numbers (6)
Search by this OE number to find compatible parts
- BMW—18 20 0 154 321
- BMW—18 20 7 508 087
- BMW—18 20 7 546 500
- BMW—18 20 7 578 238
- BMW—18 20 7 589 950
- BMW—18 30 7 564 189
Where this part fits
Original-fit position for OE 18207546500. The red ring marks where this part installs on the vehicle.
About this product
Sourced from ERNST, this bracket, exhaust system (492447) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Material: 33 — 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: 02.9729, 1037.12, 1037.12-5, 103-736 and 16 more. Matching these numbers confirms a like-for-like replacement with no loss of function. ERNST 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 (14)
bracket, exhaust system ERNST 492447 — compatible car models
| Car models | BMW: 1 Convertible (E88), 1 Coupe (E82), 1 (E81), 1 (E87) |
|---|---|
| Engines | 118 i; 120 i; 116 i |
| Year of manufacture | 2003-2013 |
| Manufacturer article number (MPN) | 492447 |
| OE part numbers | 18 20 0 154 321, 18 20 7 508 087, 18 20 7 546 500, 18 20 7 578 238, 18 20 7 589 950, 18 30 7 564 189 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
ERNST 492447 bracket, exhaust system. Material: 33
- 1x bracket, exhaust system
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 bracket, exhaust system compatible with my car?
This bracket, exhaust system 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 ERNST bracket, exhaust system have?
This ERNST bracket, exhaust system has the following specifications: Material: 33. Check the full specifications table above for complete details.
What OE part numbers does this bracket, exhaust system replace?
This bracket, exhaust system replaces OE part numbers: 18 20 0 154 321, 18 20 7 508 087, 18 20 7 546 500, 18 20 7 578 238, 18 20 7 589 950, 18 30 7 564 189. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a bracket, exhaust system cost?
Bracket, exhaust system prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this ERNST bracket, exhaust system. All parts come with our 14-day money-back guarantee.
How do I know when to replace my bracket, exhaust system?
Regular inspection of your bracket, exhaust system 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 bracket, exhaust system?
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 bracket, exhaust system fitted by a professional mechanic.
Can I use this part as a replacement for OE 18 20 0 154 321?
Yes, this ERNST bracket, exhaust system is a direct replacement for OE part number 18 20 0 154 321. 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.
