There is no 2025 BMW X3 M. The X3 moved to a new generation for 2025, and its most powerful version is the X3 M50 xDrive – a 393-hp mild-hybrid inline-six rather than the 503-hp S58 of the old X3 M Competition.
Category: BMW
Our BMW guides focus on the E9x-generation 3 Series (2007–2013 in the US) and its two best-known inline-sixes: the naturally aspirated N52 in the 328i and the twin-turbo N54 in the 335i. Start with the E90 and E92 328i guide for engine specs, curb weight by body style, xDrive differences, and common failures. For the turbo car, how fast the N54 can go traces its tuning milestones. Routine care is covered in the E90 oil change guide, and the 335i tire guide compares the current Michelin options.
BMW X3 vs X4: Specs, Space, and Price Compared (2025)
BMW X3 or X4? For 2025 the comparison changed: the X3 moved to a new generation (G45) with new engines and a new interior, while the X4 carries on with the previous platform. That means the cheaper car is now also the newer one. Here are the specs, prices, and practical differences side by side.
N54 E90 335i Build: Fix These Before Adding Power
The N54-powered BMW 335i responds to tuning like few engines of its era, which is exactly why so many are bought as build cars.
How Fast Can the N54 Go? 7 Milestones to the 9.5s Record
How fast can BMW’s N54 really go? From a 300-hp factory 335i to a verified 9.54-second quarter mile, the twin-turbo six that debuted in 2007 has become one of the most stretched engines in tuning history.
BMW E90 & E92 328i: The Complete Engine and Buying Guide
The BMW E90 (sedan) and E92 (coupe) 328i pair one of BMW’s most reliable modern engines — the naturally aspirated N52 inline-six, 230 hp and 200 lb-ft in US trim — with the last 3-series generation that still feels analog.
Best BMW 335i Tires: Michelin Pilot Sport Guide
For a decade, the stock answer to “what tires for a BMW 335i?” was the Michelin Pilot Super Sport. That answer needs an update: the PSS has been phased out, and its successors — the Pilot Sport 4S and the newer Pilot Sport S5 — now carry the crown.
BMW E90 Oil Change: Capacity, Parts, and Step-by-Step
Changing the oil on an E90-generation BMW 3 Series is one of the easiest ways to keep its inline-six healthy, and it takes about an hour with basic tools. The one thing that surprises new owners: there is no dipstick. Here is the capacity, the parts, and the order that keeps the job clean.