BMW 125d Parts & Accessories

BMW 125d Parts & Accessories

The BMW 125d is the high-output diesel variant of the F20 1 Series, fitted with the N47D20 twin-turbo diesel that produces strong low-end torque well-suited to spirited driving and light modifications. Despite its diesel powertrain, the 125d platform supports a solid range of aftermarket upgrades across suspension, exhaust, and performance tuning categories.

Popular Upgrades

Coilovers and sport springs are popular first mods on the F20 platform, lowering the 125d's stance and sharpening turn-in response. Performance exhaust upgrades improve the N47 diesel's sound character, and high-flow air filters or intake systems help the twin-turbo breathe more freely under boost. An ECU remap (Stage 1) paired with an intake upgrade produces meaningful torque and power gains from the already-capable N47 diesel engine.

Can I tune the BMW 125d for more power?

Yes — the N47D20 diesel in the 125d responds well to ECU remapping. Stage 1 tunes typically bring output up from the factory 218 hp to 260–280 hp range while significantly increasing torque, improving both performance and fuel efficiency. Upgraded intake and intercooler parts support higher-stage tunes for owners wanting more aggressive power targets.

What suspension upgrades work on the BMW F20 125d?

The BMW F20 chassis is well-supported by coilover manufacturers, with direct-fit kits available from major brands. Lowering springs offer a simpler drop of 25–40mm with improved spring rates, while coilovers allow full ride height and damping adjustability for dual-purpose street and track use.

Find BMW 125d parts in our exhaust systems, suspension upgrades, and cold air intakes departments.