BMW Coolant Reservoir 671.BM1Q81 31978836

( Conditions Options: 2.8, 5mt, Rwd ), ( Genuine Oem: Yes ), ( Ipn: 671.bm1q81 ), ( Descriptionpartcondition: This Part Is Currently Still On The Vehicle And Will Be Dismantle ), ( Manufacturer Warranty: 6 Month )

Review BMW Coolant Reservoir fits 528I 1981

BMW 528i (E12) Coolant Reservoir Part Number: 31978836

The BMW 528i (E12) Coolant Reservoir, part number 31978836, is a crucial component of the cooling system in your classic BMW 5-Series vehicle. This reservoir is specifically designed to house the coolant and ensure an adequate supply to the engine and radiator. Its role is essential in maintaining the optimal operating temperature of the engine and preventing it from overheating.

This coolant reservoir is manufactured to meet the highest standards of quality and precision to ensure a perfect fit and function in your BMW 528i (E12) vehicle. The reservoir is made from reinforced plastic, a material that is both durable and lightweight, resisting corrosion and ensuring longevity. It features a transparent design, allowing you to easily check the coolant level without having to open the reservoir cap.

The reservoir's cap is designed with a secure seal and an integrated pressure relief valve, preventing coolant loss due to overpressure and ensuring a consistent coolant level. The cap is also designed with an ergonomic shape and a grippy surface, making it easy to remove for refilling or maintenance.

This BMW 528i (E12) Coolant Reservoir is a direct replacement for the original part, ensuring a perfect fit and function in your vehicle. It is recommended to replace the coolant reservoir as part of a routine maintenance schedule to ensure the continued reliability and performance of your classic BMW 5-Series vehicle.

In summary, the BMW 528i (E12) Coolant Reservoir, part number 31978836, is a high-quality and essential component of your BMW 5-Series cooling system. Its durable design, transparent visibility, and secure seal make it an ideal choice for maintaining the optimal performance and longevity of your vehicle.

The BMW 528i 1981 Coolant Reservoir with part number 31978836 is an essential component for maintaining the cooling system of your BMW 528i. Let's discuss the pros and cons of buying this coolant reservoir.

1. OEM Part: This coolant reservoir is a genuine BMW part, which ensures a perfect fit and optimal performance.

2. High-quality Material: BMW uses high-quality materials in manufacturing their parts, and this coolant reservoir is no exception.

3. Ensures Proper Cooling: A faulty coolant reservoir can lead to overheating issues, and by replacing it with a new one, you can ensure the cooling system functions correctly.

4. Long-lasting: BMW parts are known for their durability, and this coolant reservoir is expected to last for a long time.

1. Cost: Original BMW parts can be expensive compared to aftermarket alternatives.

2. Availability: BMW parts may not be readily available at local auto parts stores, and you might have to order it online or from a BMW dealership.

The BMW 528i 1981 Coolant Reservoir 31978836 is an essential part for maintaining the cooling system of your BMW 528i. While it may be more expensive than aftermarket alternatives, the high-quality materials, perfect fit, and durability make it a worthwhile investment. If you are looking for a reliable and long-lasting coolant reservoir, then investing in the BMW OEM part is recommended.

Details:

Inspect and replace seals gaskets as needed. Each item comes with a 6-month, part-only warranty for your peace of mind. No Labor or any other charges related to the sale installation of this product are warranted. Torque converter must be properly seated and aligned to the front pump.

Must be installed and inspected by a factory trained certified technician. Residential delivery is not included in the free shipping or our regional charges. Small Parcel Shipping UPS/FedEx: Free shipping on all small parcel orders. Timing belts, thermostat, water pump and other maintenance items must be replaced.

Contact B R immediately prior to removing or repairing any components. Transfer Case. Radiators must be flow tested or replaced receipts required. Warranty does not include shift motor, switches, sensors, or seals.

Purchaser must replace seals, gaskets, and filter before installation re-seal the oil pan. Cooling lines must be flushed of debris before installing. Fill with fluid according to manufacturers recommended type and level. If heat tabs are melted or removed, warranty void.

B R Automotive does not guarantee mileage. Confirm proper gear ratio prior to installation. Brakes, seals, sensors, and lines should be inspected replaced as needed. Inspect and replace as needed.

Check with the dealer as components may be different. Engine oil pans must be re-sealed. No Hardware, Accessories. We remove oil pans to inspect automatic transmissions.

part #: 528i prices

• $15.00-$30.53

specifications radiatoranch:

• for models: 528i
• for makes: Bmw
• for years: 1981
• conditions options: 2.8, 5mt, Rwd
• genuine oem: Yes
• ipn: 671.bm1q81
• descriptionpartcondition: This Part Is Currently Still On The Vehicle And Will Be Dismantle
• manufacturer warranty: 6 Month

payments radiatoranch:

• other
• credit card: Diners-club
• wallet: Paypal

returns radiatoranch:

• paid by: Buyer
• time: 60 Days
• policy: Returns Accepted

general radiatoranch:

• condition: Used
• Car Truck Parts Accessories > Engine Cooling Components > Radiators

offer radiatoranch:

• availability: In Stock
• quantity: 1
• started: May 6, 2026
• options: Ship-to-home
• best offers: True
• sold: 0

shipping radiatoranch:

• type: Fixed
• transit: 3-8 Days
• cost: $15.00
• class: Standard
• service: Standard

seller radiatoranch:

• # reviews: 71888
• city: Carson City, Nevada
• rating: 98.7%

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