BMW M43 Engine
Used & Reconditioned for Sale
M43B16, M43B18, M43B19, 316i engine, 318i engine
1.6L / 1.9L
Displacement
Petrol
Fuel
1991–2002
Production
Fits BMW 3 Series E36, BMW 3 Series E46 and BMW Z3 — verified fitment by registration, fixed prices, UK delivery.
Displacement
Fuel
Production
Configuration
Applications
Verified Fitment
Checked by registration
12-Month Warranty
On reconditioned units
UK Nationwide Delivery
2-4 working days
14-Day Returns
Uninstalled, full refund
Buy a M43 Engine for Your Vehicle
The BMW M43 engine is available for 3 applications: E36 3 Series, early E46 3 Series, and Z3 roadster. Each is configured and priced for its specific vehicle. Choose your application below.
M43 — E36 3 Series
Fits 316i/318i/Compact 1992-2000
£245
Coming soonM43 — E46 3 Series
Fits early 316i/318i 1998-2001
£345
Coming soonM43 — Z3 Roadster
Fits 1.8/1.9 Z3 1996-1999
£395
Coming soonFull M43 Compatibility
All applications for the BMW M43 engine are listed below. Every row links to its specific unit page and can be confirmed by registration. Currently, 1 brand is served by this hub.
| Model | Chassis | Variants | Years | Config. | Unit page |
|---|---|---|---|---|---|
| 3 Series | E36 | 316i (M43B16) | 1993-1999 | Longitudinal | Coming soon |
| 3 Series | E36 | 318i (M43B19) | 1992-1998 | Longitudinal | Coming soon |
| 3 Series Compact | E36/5 | 316i (M43B16) | 1995-2000 | Longitudinal | Coming soon |
| 3 Series Compact | E36/5 | 318ti (M43B19) | 1995-1999 | Longitudinal | Coming soon |
| 3 Series | E46 | 316i (M43B19) | 1998-2001 | Longitudinal | Coming soon |
| 3 Series | E46 | 318i (M43B19) | 1998-2001 | Longitudinal | Coming soon |
| Z3 | E36/7 | 1.8 (M43B18) | 1996-1998 | Longitudinal | Coming soon |
| Z3 | E36/7 | 1.9 (M43B19) | 1996-1999 | Longitudinal | Coming soon |
Confirm your exact specification with the registration checker above.
M43 Engine Prices
Pricing for the BMW M43 engine varies by application. The E36 3 Series application offers the most affordable entry point, while the Z3 commands a slight premium due to lower breaker volume.
| Application | Used from | Reconditioned from |
|---|---|---|
| E36 3 Series (316i/318i/Compact) 1992-2000 | £245 | £850 |
| E46 3 Series (early 316i/318i) 1998-2001 | £345 | £895 |
| Z3 Roadster (1.8/1.9) 1996-1999 | £395 | £950 |
*Prices shown are current lowest listed prices and update as stock changes. The price on each listing is the price you pay — no hidden fees at checkout.*
What You Get with a M43 Engine
What You Get with a M43 Engine
What's included
Not included
Used or reconditioned?
Used M43 units are the standard choice across all three application groups given the low vehicle values and strong breaker supply from E36 and early E46 donors. Reconditioned units are available but rarely cost-effective given the age and value of the host vehicles. The M43 is one of BMW's simplest and most durable four-cylinder petrol engines, and replacement demand is driven almost entirely by high-mileage wear and age-related degradation rather than a specific design failure. A prepared M43 unit addresses worn piston rings, valve stem seals, and ageing gaskets as standard before dispatch.
M43 Engine Buying FAQs
Answers to common fitment, condition, warranty and delivery questions.
A:The M43 was fitted to the BMW 3 Series E36 (316i, 318i, Compact), early E46 (316i, 318i, 1998–2001), and Z3 roadster (1.8, 1.9). It was BMW's entry-level four-cylinder petrol engine throughout the 1990s.
A:The M43 exists in three displacement variants: M43B16 (1.6L, 316i), M43B18 (1.8L, Z3 only), and M43B19 (1.9L, 318i and later 316i). All share the same base architecture and are covered by this hub.
A:Used M43 units are the standard choice across all three application groups given the low vehicle values and strong breaker supply from E36 and early E46 donors. Reconditioned units are available but rarely cost-effective given the age and value of the host vehicles. We recommend a used unit for the M43, as reconditioning often exceeds the vehicle's worth.
A:Use the registration checker and cross-reference the engine code stamped on the block (M43B16, M43B18, or M43B19). For E46 applications, confirm the engine is the M43 and not the later N42 (introduced mid-2001) by checking the production date and block stamp.
A:6-month warranty on used units, 12-month on reconditioned. UK nationwide palletised delivery. Free compatibility check before dispatch.
Find Your M43 Engine Today
Enter your registration to confirm fitment and see the exact price for your vehicle. All engines are in stock and ready for delivery. [Check Fitment by Reg]