Used OEM Part · Tested

BMW 128i (3.0L), Conv, N51 engine, AT 3.0L Engine (2008)

4.5 on Trustpilot · 335 reviews
Confirm it fits YOUR vehicleEnter your VIN — we verify exact fit before you pay
Find your VIN on the driver-side door jamb or lower windshield.
Unit Condition & Specs
AvailabilityIn stock — ready to ship
55% OFF $4,576.00
$2,080.00
Mileage
✓ Flat-rate freight — insured & tracked ·✓ 90-day warranty included· freight shown at checkout: $250 commercial / $400 residential
Ships within 3 - 5 business days Approx - flat-rate freight, tracked & insured Most orders arrive 5–7 business days after dispatch (US). You get tracking the moment it ships.
Not sure it fits? Call an expert
🛡90-Day WarrantyParts replacement
🚚Flat-Rate FreightDelivered to your door
🔒Secure CheckoutEncrypted payment
24-Hr Free CancelFull refund within 24h

How ordering works

  1. 1Enter or confirm your VIN
  2. 2We verify exact fitment for your vehicle
  3. 3Flat freight shown up front — no surprises
  4. 490-day warranty included on every part
  5. 5We photograph & confirm the unit before it ships
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Part details

About this part

Bring Back Your 2008 BMW 128i Convertible's Performance with OEM N51 3.0L Engine

Bring back your E88 128i's smooth power delivery with our OEM-certified N51 3.0L SULEV engine, specifically configured for 2008 automatic transmission convertibles.

Engine Specifications:

Category Details
Displacement 3.0L Naturally Aspirated I6 
Engine Code N51B30
Horsepower 230 HP 
Torque 200 lb-ft 
Fuel System Direct Injection
Valvetrain DOHC 24V with Valvetronic III
Block Material Aluminium block & magnesium valve cover
Transmission 6-speed Automatic 
Fuel Requirement Premium 91 octane
 

Compatibility:

2008 BMW 128i Convertible E88 Automatic Transmission

California SULEV Emissions Compliant

Pricing Options:

Mileage Range Price Condition
30K-60K miles $ 2,080.00 Low-mileage, full history
60K-90K miles $ 1,688.96 Excellent, minor wear
90K-120K miles $ 1,354.86 Good, may need gaskets
120K-150K miles $ 1,105.00 Functional, needs seals
 

Key Features:

Complete Long Block Assembly: Includes the fully assembled engine block, crankshaft, pistons, cylinder head, and valvetrain.

Includes Intake & Exhaust Manifolds: Comes with both manifolds pre-attached, saving installation time.

Backed by Warranty: Provides a reliable warranty on the entire assembly for peace of mind.

Shipping Information:

Dimensions: Length 36"× Width 28"× Height 30" 

Weight: 300 lbs

Shipping Options:

Standard  shipping 5-7 business days

Expedited shipping are available for an extra cost

Frequently Asked Questions?

Q: How do I track my shipment?

A: Verification process After ordering, we'll send images of your 2008 BMW 128i 3.0L engine part for your approval before shipping with tracking information.

Q: What are the payment options?

A: Multiple secure payment options available for this 2008 BMW 128i 3.0L N51 engine. All transactions protected by advanced encryption technology.

Q: What comes with my used engine?

A: Engine Block, Head Gasket, Cylinder Heads, Manifolds, consumption, Exhaust, Timing cowl, Oil Pans, Cylinder Head, Pistons, Crank Shafts.

Ready to Order?

OEM-spec N51 SULEV 3.0L engine designed specifically for your 2008 BMW 128i Convertible with automatic transmission. Restores factory performance and emissions compliance.

Order with confidence

Tested, VIN-matched, and guaranteed

VIN-Verified Fit

We match the part to your vehicle's VIN and confirm exact fitment before we ship — so it fits the first time. Free cancellation within 24 hours.

Works on Arrival, Guaranteed

Every unit is tested before it ships. If it arrives defective, we replace it fast — and in the rare case we can't replace it, you get a full refund.

90-Day Warranty

A real parts-replacement warranty, included — with extended coverage available.

Real photos of the exact unitWhat you see is what ships
A-grade OEM, testedVerified specs, not estimated
VIN-matched to your vehicleConfirmed before dispatch
Shipping & delivery

Heavy freight item, shipped fully insured and tracked. Freight is a flat $250 commercial / $400 residential, shown at checkout — no hidden fees, no freight-quote runaround.

1Ships within 3 - 5 business days ApproxCarefully packed & dispatched from our US warehouse
2Freight to your doorBrought to your door
3Delivered in 5–7 business daysTracked & insured · tracking sent when it ships
Verified buyer reviews

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