11257576475 11257613626 Engine Piston For BMW F10 F11 F12 F13 E70 550I 650I 4.4L V8 N63B44A N63

Reference Part Number

11257576475 11257613626 

Application For 

For BMW F10 F11 F12 F13 E70 550I 650I 4.4L V8 N63B44A N63

Piston Diameter 

Bolt Ø [mm]: 22 mm
Bolt length [mm]: 60 mm
Bore Ø [mm]: 89 mm
Compression Height [mm]: 32,1 mm
Length [mm]: 52,6 mm
Standard Size [STD]

We Offer 12 Months Warranty for all the pistons.Every Piston has our own mark to indentify the pistons. The small mark will not damage or influence the function of the pistons. You will be refunded or we will send you new replacement after we received the defective pistons 

Normally,We use nuetral package like yellow or white box for small order below 200sets. We can also use customized box or your designed box once quantity above 500sets .

For Small order ,we usually ship by express shipping like DHL ,FEDEX ,UPS ,EMS ,TNT etc 

For Large order ,we ship by sea 

1. Can I get a discount if I make a larger order?
Yes, the more pieces you purchase, the higher the discount. For example, if you buy 20 pieces, you will obtain a 5% discount. If
you are interested in purchasing more than 20 pieces, we would be happy to provide you with a quote. Please contact our Sales

2. How long get products if i place order from you ?
The leading time is arround 3-10 days, All of products are bulk in warehouse, we need to make list of products that you ordered.
the order will be send after finishing pack.

3. Can I use other payment methods to pay for the order, such as a credit card or an offline payment method.
we accept credit card, paypal, western union, T/T to company account and alibaba payment linking

4. Why is the shipping cost on some items so expensive?
The delivery cost depends on the shipping method that is selected, along with the shipping time and the destination country.
For example, if the shipping cost between UPS and FedEx is 10 US dollars, our advice is to choose which option best meets
your individual needs, based on price and shipping time

5. What is your sample policy?
We can supply the sample if we have ready parts in stock, but the shipping cost should be
paid from seller