18504 - Air Filter (BMW OE 13717542545) BMW Z4 Roadster (E85) 2.0 i
Part number
18504
HOFFER 18504 Air Filter
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Enquire on WhatsAppAlso searched as 13717542545.
Confirmed fit for 9 vehicles — check your vehicle or browse cross-reference numbers.
18504 Description
The HOFFER 18504 is a aftermarket Air Filter (BMW OE 13717542545) BMW Z4 Roadster (E85) 2.0 i for passenger cars. It's available to order online through Sparein, Dubai's auto parts marketplace, with fast dispatch across the UAE and support for international shipping.
Commonly searched under OE and aftermarket numbers including 13717542545, this part is confirmed to fit BMW Z4 Roadster, BMW Z4 Coupe, BMW X3 and other vehicle applications. Review the specifications, cross-reference numbers, and fitment tables on this page before you buy.
18504 Specifications
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Make sure this part fits your vehicle.
| Model | Years | Engine | Power | Fuel | Drive |
|---|---|---|---|---|---|
| Z4 RoadsterConvertible 2.0 i | 2005–2009 | 2.0L N46 B20 B | 150 hp (110 kW) | Petrol | RWD |
| Z4 RoadsterConvertible 2.5 i | 2005–2009 | 2.5L N52 B25 A | 177 hp (130 kW) | Petrol | RWD |
| Z4 RoadsterConvertible 2.5 si | 2006–2008 | 2.5L N52 B25 A | 218 hp (160 kW) | Petrol | RWD |
| Z4 RoadsterConvertible 3.0 si | 2006–2008 | 3.0L N52 B30 A, N52 B30 BF | 265 hp (195 kW) | Petrol | RWD |
| Z4 CoupeCoupe 3.0 si | 2006–2008 | 3.0L N52 B30 A, N52 B30 BF | 265 hp (195 kW) | Petrol | RWD |
| X3SUV 3.0 si | 2006–2008 | 3.0L N52 B30 A, N52 B30 BF | 272 hp (200 kW) | Petrol | AWD |
| X3SUV 2.5 si | 2006–2008 | 2.5L N52 B25 A, N52 B25 AF, N52 B25 BF | 218 hp (160 kW) | Petrol | AWD |
| X3SUV xDrive 25 i | 2008–2010 | 2.5L N52 B25 A, N52 B25 AF, N52 B25 BF | 218 hp (160 kW) | Petrol | AWD |
| X3SUV xDrive 30 i | 2008–2010 | 3.0L N52 B30 A, N52 B30 BF | 272 hp (200 kW) | Petrol | AWD |
Fitment data is a guide — always confirm the part number printed on your existing part before ordering.
Cross-Reference Numbers
Every number below identifies this same part — the code the vehicle maker stamped on it, and the equivalent codes other brands sell it under. Match any of them against your old part to confirm it's the right one.
30 numbers · 30 brands
OE Numbers
Aftermarket Cross-References
Alternatives for 18504
Other genuine and aftermarket parts that fit the same application.
Frequently Asked Questions
What is 18504 - Air Filter (BMW OE 13717542545) BMW Z4 Roadster (E85) 2.0 i?
18504 is a part number from HOFFER (aftermarket), listed on Sparein as Air Filter (BMW OE 13717542545) BMW Z4 Roadster (E85) 2.0 i.
How much does 18504 cost?
18504 is priced on request. Message us on WhatsApp for a live quote.
Where can I buy 18504 in Dubai or the UAE?
You can order 18504 directly on Sparein, with dispatch dispatch in 20 business days and delivery across Dubai and the wider UAE.
Do you ship 18504 internationally?
Yes — Sparein ships genuine and aftermarket parts, including 18504, outside the UAE. Message us on WhatsApp to confirm shipping cost and delivery time to your country.
How do I compare prices for 18504 across brands?
See the Cross-Reference Numbers section on this page — the same part is listed under OE and aftermarket numbers from other brands, so you can compare listings and prices for an equivalent part.
Are there alternatives to 18504?
Yes — see the Alternatives section on this page for other parts that fit the same application.
18504
Price on request




