BoostLine BMW B58B30 148.18mm ARP625+ - Connecting Rod Kit BM5834-866+
BoostLine BMW B58B30 148.18mm ARP625+ - Connecting Rod Kit BM5834-866+
Part number: 9AAOI
Regular price
$1,695.99 USD
Regular price
Sale price
$1,695.99 USD
Shipping calculated at checkout.
Quantity
Couldn't load pickup availability
- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: BMW B58B30 148.18mmFitment notes & questions
BoostLine, listed for BMW. Pistons and rings seal the combustion chamber and turn pressure into motion.
Quick facts
- Part type: Piston
- Listed for: BMW
Tip: Check ring end gaps in the bore before installation and stagger the gaps.

About this piston for the BMW B58B30 148.18mm
Piston and ring size depends on the bore, so match them to your block after it is measured.
Fitment notes
- Listed for: BMW B58B30 148.18mm.
- Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentParts that usually go with it
- Bearings. Rod and main bearings are usually replaced at the same time.
- Gasket set. The engine comes apart for this job.
More for your car: BMW Parts · All Pistons · Engine
Questions about BMW B58B30 148.18mm pistons
Will this fit my BMW B58B30 148.18mm?
It is listed for the BMW B58B30 148.18mm. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
Standard or oversize?
Standard fits an unmachined bore. Oversize is for a bored cylinder.
Where do specs and warranty details come from?
From the manufacturer. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.
Ask a question
More parts for this car