1. Engine Oil Coolers & Lines On Sale
  2. sku: 12455839745091813
  3. REIN ABH0350

REIN ABH0350 Lower Oil Separator

fits model: 540i. make: Bmw. year: 1999–2003.

Abh0350 Rein Lower Oil Separator Fits 1999-2003 Bmw 540i

( Brand: Rein ), ( Part Type: Oil ), ( Manufacturer Part Number: ABH0350 )

Review REIN Lower Oil Separator Bmw fits 540I 1999–2003

The REIN ABH0350 Lower Oil Separator is a crucial component for the cooling system of BMW 540i models manufactured between 1999 and 2003. This high-performance oil separator is designed to provide enhanced engine protection and improved driving experience.

The separator is engineered to effectively separate water and other contaminants from the oil supply, ensuring that the engine receives only clean oil for optimal performance. The separation process is facilitated by the unique design of the separator, which incorporates an internal baffle system that uses centrifugal force to separate the contaminants from the oil.

The REIN ABH0350 Lower Oil Separator is made from high-quality materials, including durable cast aluminum, which provides excellent heat dissipation properties and resistance to corrosion. The separator is also coated with a special epoxy finish that protects it from the harsh conditions of the engine bay and ensures a long service life.

The installation process of the REIN ABH0350 Lower Oil Separator is straightforward and can be completed by most DIY enthusiasts or by a professional mechanic. The separator comes with all necessary mounting hardware, making the installation process easier and more convenient.

In addition to improving engine performance and longevity, the REIN ABH0350 Lower Oil Separator also helps to reduce the amount of contaminated oil that is discharged during oil changes, making the process more environmentally friendly.

Overall, the REIN ABH0350 Lower Oil Separator is an essential upgrade for BMW 540i owners who want to ensure their engine is operating at peak performance and longevity. With its advanced design, high-quality materials, and easy installation process, this oil separator is an investment that will pay for itself in improved engine performance and reduced maintenance costs over the long term.

The Rein Abh0350 lower oil separator is a component designed to improve the performance and longevity of the oil system in certain BMW 540i models produced between 1999 and 2003. This part separates water and other contaminants from the oil, preventing them from reaching the engine and causing potential damage. Here are some pros and cons associated with purchasing this component.

Pros:

1. Improved engine performance: By separating water and contaminants from the oil, the engine will run more efficiently and effectively.

2. Increased engine lifespan: Reducing the amount of contaminants that reach the engine can help prolong its life.

3. Better fuel economy: A cleaner engine runs more efficiently, which can lead to improved fuel economy.

4. Reduced maintenance costs: By preventing damage to the engine, the need for costly repairs may be reduced.

Cons:

1. Cost: The Rein Abh0350 lower oil separator is not an inexpensive component, and some may find the price to be a barrier.

2. Installation complexity: The installation of this component may require professional assistance, which can add to the overall cost.

3. Potential for leaks: Like any other automotive component, there is a risk of leaks, which could lead to additional maintenance and repairs.

Conclusion:

The Rein Abh0350 lower oil separator is an investment in the long-term health and performance of a BMW 540i engine produced between 1999 and 2003. While it comes with a higher price tag and potential installation complexities, the benefits of improved engine performance, increased engine lifespan, better fuel economy, and reduced maintenance costs make it a worthwhile consideration for those looking to keep their vehicle in top condition. Ultimately, the decision to purchase this component depends on the individual's priorities, budget, and maintenance goals.

Recommendation:

If you are the owner of a BMW 540i from the specified model years and are looking for ways to maintain the long-term health and performance of your engine, the Rein Abh0350 lower oil separator is a worthwhile investment. Weigh the pros and cons carefully and consider consulting a professional mechanic for advice and installation assistance if needed.

part # abh0350 prices

  • $42.56-$62.99

specifications motochilled:

  • for models: 540i
  • for makes: Bmw
  • for years: 1999-2003
  • brand: Rein
  • part type: Oil
  • manufacturer part number: ABH0350

offer motochilled:

  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • started: April 22, 2026
  • quantity: 8

seller motochilled:

  • # reviews: 0
  • rating: 0.0%

returns motochilled:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

shipping motochilled:

  • transit: 5-10 Days
  • class: Standard
  • service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery
  • cost: $0.00
  • carrier: USPS, FedEx
  • type: Fixed

general motochilled:

  • condition: New
  • Car Truck Parts Accessories > Engine Cooling Components > Engine Oil Coolers Lines

payments motochilled:

  • wallet: Paypal
  • credit card: Discover
  • other
for models: 540i, for makes: bmw, for years: 1999-2003, part type: oil,
category: auto parts > car truck parts accessories > engine cooling components > engine oil coolers lines, sku: 12455839745091813,

Rein ABH0350 Is Similar To:

motochilled logo
4 offers $42.56–$62.99 USD
  • Offer #1: $42.82 price + free delivery = $42.82* total.FREE SHIPPING
  • Offer #2: $62.99 price + free delivery = $62.99* total.FREE SHIPPING
  • Offer #3: $42.56 price + free delivery = $42.56* total. 1999 BMW 740iL 4.4L V8 From 9/98. Manufacturer Part Number.FREE SHIPPING
  • Offer #4: $53.99 price + free delivery = $53.99* total. Position Lower Part Type Oil Separator.FREE SHIPPING