Second Hand BMW 1 Series Camshaft

The BMW 1 Series ran as the E87/E81/E82/E88 generation until 2011, then the F20/F21 generation launched in 2011 — these are entirely different engine families, so a camshaft from a 2010 car will not cross over to a 2014 car. Even within each generation, fitment is determined primarily by the engine code, not the model year, so you need to confirm your exact engine code (found on your V5 or via a VIN check) before sourcing. Supply that code to the breaker and they can match it precisely.

No — petrol and diesel camshafts are completely different components and are not interchangeable under any circumstances. Within fuel types there are further differences depending on the exact engine variant, so the engine code is the critical detail. Always confirm your engine code with the breaker before ordering.

No, body style makes no difference to camshaft fitment — the camshaft follows the engine, not the body. A camshaft from a 3-door F21 with the same engine code as your 5-door F20 is the same part. Focus entirely on matching the engine code rather than the body style.

In the vast majority of cases, trim level alone does not affect camshaft fitment on the 1 Series — SE, Sport, M Sport, and other trim grades sharing the same engine code use the same camshaft. The exception would be a genuine M Performance engine variant, such as the M135i or M140i, which have distinct engine codes and will require camshafts specific to those engines. Confirm your engine code with the breaker to be certain, regardless of the badge on the car.

The F20 1 Series received a facelift in 2015, and while many mechanical components carried over, there can be detail changes to engine internals across that boundary that affect part compatibility. The engine code is the most reliable guide — if both cars share the same engine code, fitment is much more likely, but you should still confirm with the breaker against your registration as ancillary specifications can vary mid-production. Never assume fitment based on year and generation alone.

The single most important detail is your engine code, which you can find on your V5 logbook or by running a VIN check — this tells the breaker exactly which engine family and variant your car has, which is what determines camshaft compatibility. You should also confirm whether your car is petrol or diesel, your gearbox type, and the model year. With the engine code supplied, a good breaker can cross-reference their stock accurately and give you a confident answer on fitment.