BMW 2 Series Timing Belt: Intervals, Fitment & Warning Signs
On the 2 Series, if you hear the well-documented cold-start rattle on related BMW engines, genuinely don't rev the engine — plus an honest £3,000-£5,000 cost gap between catching this early and waiting too long.
Illustration for editorial purposes
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OEM Part Number: 11318570649 (timing chain kit)
| N20 2.0 turbo petrol (2013–2015) | Timing chain — no belt kit required |
|---|---|
| B38 1.5 3-cyl petrol | Timing chain. Aftermarket: Febi 49487 (listed for 116i / 118i 2015–2019) |
| B48 2.0 petrol | Timing chain. Aftermarket: Febi 49487 is listed for the B48M (120i); confirm via VIN |
| B47 2.0d (2014 on) | Timing chain. Aftermarket: Febi 49507 (OE 11 31 8 570 649 S2), Febi 30349, SWAG 99130349, Dayco KTC1194, iwis 59017Set |
| B37 1.5d 3-cyl | Timing chain — no belt kit required |
BMW 2 Series Timing Belt: The Part Where Missing a Deadline Gets Expensive
On the BMW 2 Series, there's a shorter list of maintenance items where skipping the schedule is genuinely risky, and this is near the top of it. Failure here tends to cause damage well beyond the part itself on affected engines, which is why sticking to the interval matters more than it does elsewhere on the car.
BMW 2 Series Timing Belt: What It Does
Keeping valve timing perfectly matched to piston position is the BMW 2 Series's timing belt or chain's job, synchronising the camshafts and crankshaft. On "interference" engines — a common design — a belt failure means pistons and valves can physically collide, causing serious damage inside the engine.
BMW 2 Series Timing Belt: Generations, M2 & Engines: All Chain-Driven
| F22/F23 (2014–2021) & F87 M2 (2016–2021), all engines | Timing chain — no scheduled replacement interval |
|---|---|
| F44/U06 (2019–present), all engines | Timing chain — no scheduled replacement interval |
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A Genuinely Important Safety Warning Worth Knowing — BMW 2 Series Timing Belt
If you're hearing a loud, metallic rattle from the engine on cold start-up, this is genuinely important to know: related BMW engines have a well-documented timing chain issue caused by substandard plastic guides and tensioners degrading over time. If you hear this rattle, you should not rev the engine, since doing so risks the chain jumping timing immediately, causing catastrophic engine damage.
It's also genuinely worth knowing a useful preventative tip: regular oil changes using the correct BMW-specified oil grade have been documented extending the life of the chain by as much as 50,000 to 100,000 miles.
BMW 2 Series Timing Belt: Watch: Chain Replacement (Not a Routine Job)
On the BMW 2 Series, since this is a chain, not a scheduled belt job, this video is only relevant if you're diagnosing or responding to symptoms of chain wear — not a routine maintenance item.
BMW 2 Series Timing Belt: Warning Signs, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Timing Belt Guide for symptoms to watch for, confirming fitment against your VIN, and which aftermarket brands are worth trusting.
More BMW Timing Belt
The same part, covered across other BMW models.