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BMW 5 Series Codes?

1 Answers

ChristopherLee

07/29/25 8:46pm

G30: BMW 5 Series Sedan (2017-) G31: BMW 5 Series Touring (2017-) G38: BMW 5 Series Long Wheelbase (2017-) F07: BMW 5 Series Gran Turismo (2009-) F11: Sixth Generation BMW 5 Series Touring (2010-) BMW's early engine codes were very simple: four-cylinder engines were labeled M10, small-displacement six-cylinder engines were M20, and large-displacement six-cylinder engines were M30. However, as BMW's engine range expanded, they needed to redefine more meaningful code names. M-series engines first appeared in models like the E12, E21, E23, and E24. Around 2005-2006, they were largely replaced by N-series engines. After 2016, B-series engines gradually replaced the N-series, primarily used in BMW's standard models. Most BMW M Car engines feature the "S" code, though some M models are exceptions, such as the earliest M2. The "P" code is used for official motorsport racing engines. Here's a brief explanation: 1. Engine Developer: M, N, B (BMW Group), P (BMW Motorsport), S (BMW M GmbH), W (Purchased Engine) 2. Engine Type: 1 (R4 inline, e.g., N18), 2 (R4 inline, e.g., N20), 3 (R3 inline, e.g., B38), 4 (R4 inline, e.g., N43), 5 (R6 inline, e.g., N55), 6 (V8, e.g., N63), 7 (V12, e.g., N74), 8 (V10, e.g., S85) 3. Standard Engine Modification: 0 (Standard), 1-9 (Technical Updates, e.g., combustion method) 4. Operation, Fuel, and Installation: A (Transverse Gasoline), B (Longitudinal Gasoline), C (Transverse Diesel), D (Longitudinal Diesel), E (Electric Ethanol), H (Hydrogen), K (Rear Transverse Gasoline), P (Permanent Magnet Synchronous Motor) 5-6. Displacement (1/10L): 30 (3.0L), 16 (1.6L) 7. Power Rating: K (Minimum), U (Lower), M (Medium), O (Upper/Standard), T (Top), S (Super) 8. Authorized Updates: 0 (New Development), 1-9 (Upgrades) In late 2018, BMW introduced the B58TU engine. Is the B58TU the same as the regular B58? Essentially, they are both part of the B58 series, but the TU version is an upgraded model. "TU" stands for Technical Update, which includes improvements to the fuel injectors, timing chain, tensioner, Vanos gears, cylinder head design, and water cooling system, among others. Each engine is engraved with its code, but where exactly can you find it? Below are the locations for checking BMW engine codes, though they may vary slightly by model.

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