Cheap BMW 8 Series Fuel Filter

It depends on the fuel type and generation. Petrol-engined 8 Series models (both the original E31 generation from 1989–1999 and the current G15/G14/G16 generation from 2018 onwards) do have an inline or in-tank fuel filter, though on the modern G-series cars the filter is often integrated into the in-tank fuel pump assembly rather than a separate serviceable inline unit. Diesel variants in the G-series (the 840d with the B57 engine) have a separate fuel filter housing that is a genuinely serviceable part. If you're not sure which setup your car has, describe your engine code to the breaker and they'll confirm what's available from their stripped vehicle.

BMW refreshed the 8 Series range around 2022, and while the core engine families carried over, ancillary components and filter housings can change mid-production even within the same generation. The G15 coupe ran from 2018 with the facelift arriving in the 2022 model year, and crossing that boundary is exactly where fitment gets uncertain. Name your engine code (found on your V5 or a VIN check) when you contact the breaker and ask them to confirm the filter part number matches your specific build date rather than assuming all G15s are the same.

Trim level does not affect fuel filter fitment on the 8 Series — what matters is the engine code, not the badge on the boot. An 840i running a B58 straight-six and an M850i running an S58 or N63 V8 will need different filters because they are fundamentally different engines, but two cars both badged 840i with the same engine code should use the same filter regardless of whether one is a standard car and one is an M Sport or individual specification. The breaker may supply a filter from a stripped car with different trim or colour, and that's fine — just confirm the engine codes match.

Yes, the 840d with the B57 straight-six diesel engine has a serviceable fuel filter housing, making it one of the clearer cases where a used filter from a breaker is a practical purchase. The xDrive four-wheel-drive system relates to the driveline rather than the engine, so the fuel filter itself should be the same part whether your 840d is rear-wheel drive or xDrive — the engine code is what to match, not the drivetrain designation. That said, always give the breaker your full engine code and registration so they can cross-reference against the exact unit they have on the shelf.

No — the E31 and G15 are entirely different generations separated by nearly two decades, with different engines, fuel systems, and line fittings, so parts are not interchangeable between them. The E31 used engines like the M60 and M62 V8s and the S62, all with fuel systems designed to 1990s specifications, while the G-series uses modern turbocharged units like the B58, N63, and B57 with very different fuel delivery arrangements. Always make sure the breaker knows which generation you have before agreeing a price.

The G14 convertible, G15 coupe, and G16 Gran Coupe are all built on the same platform and share the same engine family, so the fuel filter fitment is driven by the engine code rather than the body style. If a G15 coupe and your G16 Gran Coupe share the same engine code, the filter should be the same part. Confirm the engine codes match with the breaker before buying, and mention your body style just so they can flag anything unexpected.