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Details
| Specification | Value |
|---|---|
| Brand | VAICO |
| MPN | v20-4500 |
| Gear Ratio | 43:11 |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- BMWโ33 10 7 524 325
- BMWโ33 10 7 524 326
Where this part fits
Original-fit position for OE 33107524325. The red ring marks where this part installs on the vehicle.
About this product
Sourced from VAICO, this transfer case (V20-4500) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications โ Transmission Type: 35, Vehicle Equipment: 168, Gear Ratio: 43:11 โ 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 โ select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 20-4500, 315KIT168L, 33 10 7 524 325, 33 10 7 524 326 and 1 more. Matching these numbers confirms a like-for-like replacement with no loss of function. VAICO 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 โ 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 โ 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 โ 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.
Transfer Case buying guide
Why replace this part?
The transfer case on four-wheel-drive and all-wheel-drive vehicles distributes torque between the front and rear axles. Internal chain and gear wear causes vibration, noisy engagement, and in severe cases seizes the four-wheel-drive system.
Signs you need a replacement
- Difficulty engaging four-wheel-drive
- grinding noise in 4WD mode
- vibration at certain speeds in 4WD
- oil leak from the transfer case
- 4WD system warning light
When to replace
Change transfer case fluid every 30,000โ50,000 miles. Rebuild or replace when noise or engagement problems develop.
Suitable cars
Equivalent products (3)
Transfer Case VAICO V20-4500 โ compatible car models
| Car models | BMW: 1 Convertible (E88), 1 Coupe (E82), 1 (E81), 1 (E87), 3 Convertible (E93), 3 Coupe (E92), 3 (E90), 3 Touring (E91) |
|---|---|
| Engines | 118 i; 120 i; 116 i; 318 i |
| Year of manufacture | 2003-2013 |
| Manufacturer article number (MPN) | V20-4500 |
| OE part numbers | 33 10 7 524 325, 33 10 7 524 326 |
Compatibility check
Loading vehicle dataโฆ
Please wait while we load vehicle compatibility information.Description and what's included
VAICO v20-4500 Original VAICO Quality. Gear Ratio: 43:11. Transmission Type: 35. Vehicle Equipment: 168
- 1x Transfer Case
Shipping, returns, warranty
Free UK delivery on orders over ยฃ99.00. 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 Transfer Case compatible with my car?
This Transfer Case fits BMW vehicles. Use the vehicle selector at the top of the page to check exact compatibility โ enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this VAICO Transfer Case have?
This VAICO Transfer Case has the following specifications: Transmission Type: 35; Vehicle Equipment: 168; Gear Ratio: 43:11. Check the full specifications table above for complete details.
What OE part numbers does this Transfer Case replace?
This Transfer Case replaces OE part numbers: 33 10 7 524 325, 33 10 7 524 326. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Transfer Case cost?
Transfer Case prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this VAICO Transfer Case. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Transfer Case?
Regular inspection of your Transfer Case 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 Transfer Case?
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 Transfer Case fitted by a professional mechanic.
Can I use this part as a replacement for OE 33 10 7 524 325?
Yes, this VAICO Transfer Case is a direct replacement for OE part number 33 10 7 524 325. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
