BMW 12-31-1-735-396 Alternator Engine Amplifier 525IT 2.5LITER 115-AMP 11591-92

( Manufacturer Part Number: 12-31-1-735-396 ), ( Vintage Part: No ), ( Type: Alternator ), ( Manufacturer Warranty: 3 Months ), ( Voltage: 12 V ), ( Amperage: 115 Amp ), ( Features: Clockwise Rotation, Pulley Included ), ( Finish: Painted And Unfinished ), ( Country Of Origin: United States )

Review BMW Remanufactured Alternator The 2.5liter Engine 11591-92 fits 525I 1991–1992

BMW 12-31-1-735-396 115 Amp Alternator for 2.5L 525i and 525it (91-92)

The BMW 12-31-1-735-396 alternator is a crucial component of your BMW 525i or 525it (1991-1992) equipped with the 2.5-liter engine. This high-performance alternator is designed to provide reliable and efficient power to your vehicle's electrical systems.

The BMW 12-31-1-735-396 alternator is engineered to deliver a maximum output of 115 amps, ensuring your car's battery remains charged even during heavy electrical usage. It features a robust and durable design, with a die-cast housing that provides excellent heat dissipation and resistance to vibration.

This alternator comes with a built-in regulator that maintains a consistent voltage output, preventing damage to your vehicle's sensitive electrical components. Its dual-mass rotor ensures smooth operation and minimizes noise, providing a quiet and comfortable driving experience.

The BMW 12-31-1-735-396 alternator is a direct replacement for the original equipment alternator, ensuring a perfect fit and easy installation. It also comes with all necessary mounting hardware and wiring connectors, making the installation process straightforward and hassle-free.

In summary, the BMW 12-31-1-735-396 alternator is an essential upgrade for your BMW 525i or 525it (1991-1992) with a 2.5-liter engine. With its high-output design, durable construction, and easy installation, this alternator offers superior performance and reliability, ensuring your vehicle's electrical systems remain in top condition.

The BMW 525i and 525it models equipped with the 2.5-liter engine and the 115 amp 12-31-1-735-396 alternator are commonly found in the 1991-1992 model years. Here are some pros and cons to consider when deciding to buy this specific alternator for your BMW:

1. Original Equipment: This alternator is an original equipment (OE) part manufactured by BMW, ensuring a proper fit and optimal performance for your vehicle.

2. Reliability: BMW is known for producing high-quality components, and this alternator is no exception. It is designed to provide long-lasting and efficient power to your BMW's electrical systems.

3. Reduced Risk of Compatibility Issues: Since this alternator is specifically designed for your BMW's engine and model, you can be confident that it will work seamlessly with your vehicle's electrical systems.

1. Cost: OE parts, such as this BMW alternator, can be more expensive compared to aftermarket alternatives. However, the potential benefits in terms of reliability and compatibility may justify the investment.

2. Availability: Depending on your location and the specific BMW model, you may have a harder time finding this alternator at local auto parts stores. You might need to order it online or from a BMW dealership, which could add to the wait time.

In conclusion, the 12-31-1-735-396 alternator is a high-quality, original equipment part designed specifically for BMW 525i and 525it models with the 2.5-liter engine and 115 amp requirement. Its reliability and compatibility with your vehicle make it an attractive option, despite the potential higher cost and limited availability. If you value the peace of mind that comes with using genuine OE parts or if you've had issues with aftermarket alternators in the past, this alternator could be a worthwhile investment for your BMW.

Details:

No core return needed, this unit is tested and ready to ship.

part #: 12311735396 prices

• $167.89-$299.99

specifications altnagen:

• for models: 525i
• for makes: Bmw
• for years: 1991-1992
• mpn: 12-31-1-735-396
• vintage part: No
• type: Alternator
• manufacturer warranty: 3 Months
• voltage: 12 V
• amperage: 115 Amp
• features: Clockwise Rotation, Pulley Included
• finish: Painted And Unfinished
• country of origin: United States

returns altnagen:

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

seller altnagen:

• # reviews: 51
• city: Marshfield, Missouri
• rating: 100.0%

offer altnagen:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: December 3, 2025
• sold: 0
• best offers: True

general altnagen:

• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Alternators Generators
• condition: Remanufactured

shipping altnagen:

• class: Expedited
• service: USPS Priority Mail Large Flat Rate Box
• cost: $0.00
• transit: 5-10 Days
• type: Fixed
• carrier: USPS

payments altnagen:

• other
• wallet: Apple-pay
• credit card: Visa

Bmw 12-31-1-735-396 Is Similar To:

• 0121715016 Bosch Bmw Alternator Generator Oem (34.2% similar) It is important that if you are happy with your service and products, leave us a 5 start positive rating. Warranty because you are buying used parts, no can be given...(October 9th, 2018)
• 0290800036 Bmw Bosch Alternator Generator Oem (31.5% similar) For large items engines, doors, etc. Removed FROM:1985 bmw E28 528EM20B27 7l Rutledge: 143. If you don't want any surprises - keep in touch with the transporter yourself. They are often late and can come without a call at any time. It is important that if you are happy with your service and products...(September 10th, 2018)
• 104210-6070 104210-6072 Denso Bmw Xdrive Alternator (27.6% similar) 2012 X6 l6 automatic transmission 535I l6 2 I l6 2012 X3 l6 1 year warranty original oem alternator 210 bmw 535I l6 2 I drive l6 check the compatible vehicles list and match photo with your original part if possible to make sure it fits vehicle...(March 8th, 2018)
• 1042106070 Alternator Turbo Amp Thru Fits Bmw Gt (30.9% similar) Gasoline turbo, 215 bmw x3 amp, thru 2/1 2 x5 any seals, gaskets, fluids, water pump and timing belts nuts be replaced to ensure warranty. All fluid coolers and lines must be flushed, shift detente cable or linkage assemblies adjusted. Cooling system must be flushed. Shipping locations: is available...(July 14th, 2018)
• 12-31-7-555-926 Bmw Genuine Oem Alternator (37.8% similar) ...(March 21st, 2019)
• 12-31-7-640-132 12317640132 Sae New Alternator Bmw (35.8% similar) 0LMINIAUTO and light truck cooper S20162. New alternator for 5LMINIAUTO and light TRUCKCOOPER20161. 0LMINIAUTO and light truck coopers JCW20152. 0LMINIAUTO and light truck coopers cw CONVERTIBLE20152. 0LMINIAUTO and light TRUCKCOOPER20141. 0LMINIAUTO and light truck coopers cw CONVERTIBLE20162. ...(May 28th, 2018)
• 12311315434 Bmw Alternator (33.1% similar) Superseded part numbers this item may have been from a different number manufacture. Cores must be in their original package and fully assembled for credit...(February 18th, 2018)
• 12311744565 Bosch Bmw Oem Amp Alternator Amps (35.6% similar) Multiple quantity items may vary slightly depending on stock hand, but will always be the same quality or better than pictured...(March 31st, 2019)
• 12317501593 Bmw Power Generator Alternator Amp (34% similar) Used part in good condition...(September 16th, 2018)
• 12317540990 Bmw Alternator Oem (35.1% similar) Please for a quote. If an item arrives damaged, please via message within 24 hours for instructions. Help coming soon. Please through message. Expedited shipping is available...(November 14th, 2018)
• 12317552815 Original Bmw Alternator Generator Denso Oem (33.3% similar) If the items is going to a PO. If the item is misrepresented. Any other shipping locations, the customer must inquiry about cost...(July 14th, 2018)