1 of 6

LOCKPICKTOOL

N52B25 Engine Overhaul Pistons Seals Kit 11:1 For BMW 325i 525i Z4 E90 E60 E89 11257612982 11257561848 11257561844 11257542057

Sale Sold out Pre-order
Regular price $530.43 USD
Regular price $816.04 USD Sale price $530.43 USD
Tax included. Shipping calculated at checkout.

In stock

Ask a question
  • All orders are dispatched the next business day!

  • We will beat any price. We back all products with a 1 year guarantee.

Add $299.99 more to get FREE SHIPPING!
$0.00

Order in the next 0 hours 0 minutes to get it by         /11/2026

Guaranteed Safe Checkout

Description
Item Specifics

Engine Overhaul Pistons Seals Kit 11:1 For BMW 325i 525i Z4 E90 E60 E89 N52B25

Pistons & Rings OE#  

11 25 7 612 982

11 25 7 561 848

11 25 7 561 844

11 25 7 542 057

40407600 / 40444600

Pistons & Rings Spec  

- STD 0.00 spec (no fit cylinder expand)

- Cylinder bore Φ82.00mm 

- Wrist Diameter Φ20mm

- Wrist Length  46mm

- Ring thickness 1st 1.2mm / 2nd 1.5mm / 3rd 2.0mm

- Compression ratio 11:1

- Fit N52B25 2.5 L6 (2497cc) Naturally aspirated Engine
 

Bearing Shell OE#   

11 24 7 576 714

11 24 7 628 034

11 24 7 576 715

11 24 7 576 717

11 24 7 628 035

11 24 7 552 063

11 21 7 627 037

11 21 7 581 009

11 21 7 627 031

11 21 7 627 027

11 21 7 627 033       

Seals & Gasket Kit OE#  

11 12 7 555 310  

11 12 7 555 311

11 13 7 548 031

11 12 7 581 215

11 34 0 032 582

11 34 0 034 068

11 12 7 548 799

 61-35535-00

71-38669-00

15-37289-01

512.270

545.840

534.310
 

Package includes

Pistons & rings                x1set

Overhaul gasket              x1set

Main & Con rod bearing  x1set

Head bolt                         x1set








Duty For International Buyers

Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.

About Product

Please confirm if the item is suitable for you before placing an order, or contact me.

We have 365 days free replacement warranty terms and conditions.

Droshipping: 

All our products are neutral products, the packaging has no logo and brand, and are in stock, welcome to wholesale

Return Policy

Customer satisfaction is our top goal.

If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately.

Returns accepted within 30 workdays of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer.                                                           

Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.

Feedback & Contact US

We will reply every message and solve the problem within 24 hours (except holiday). If you have any problem or concerns whatever with your order or products, please mail us and give us a chance to assist you before leaving any feedback. We maintain high standards of excellence POSTIVE FEEDBACK and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concern.


 

 

Description

Item Specifics

  • Focus on Benefits:

    A well-crafted product description not only informs potential buyers about the features and benefits of your offering but also captivates their interest and compels them to make a purchase.

  • Use Descriptive Language:

    Paint a vivid picture with your words by using descriptive language that appeals to the senses. Incorporate adjectives that evoke emotions and imagery, making the product come to life for the reader. Avoid generic terms and opt for specific, impactful language.

  • Provide Technical Details:

    For products that require technical specifications, include relevant details such as dimensions, materials, and compatibility. This information helps customers make informed decisions and reduces the likelihood of returns due to misunderstanding.

  • Address Potential Objections:

    Anticipate common concerns or objections that customers may have and address them proactively in your description. Whether it's addressing durability, sizing concerns, or return policies, transparency builds trust and confidence in your bran

  • Address Potential Objections:

    Anticipate common concerns or objections that customers may have and address them proactively in your description. Whether it's addressing durability, sizing concerns, or return policies, transparency builds trust and confidence in your brand.

  • Know Your Audience:

  • Keep it Concise:

    While it's important to provide comprehensive information, avoid overwhelming customers with lengthy descriptions. Aim for clarity and brevity, focusing on the most impactful details that drive purchasing decisions.

  • Include Social Proof:

    Incorporate testimonials, reviews, or user-generated content to reinforce the value and credibility of your product. Social proof instills confidence in potential buyers and validates their decision to purchase.

  • Focus on Benefits:

    Rather than solely listing features, emphasize how your product solves problems or enhances the lives of customers. Describe the benefits they'll experience by using your product, whether it's saving time, improving efficiency, or enhancing comfort.