Blue G29 BMW Z4 with the roof open beside a stone wall and low hills

BMW B58 calibration

2026 BMW Z4 M40i Tune

$500

Cedar Performance B58 G29 calibration for the 2026 BMW Z4 M40i. Choose a tune to compare real-world wheel-output targets, pricing, and setup requirements.

Stages3

Pricing$500

Power target395-415 WHP / 420-455 WTQ

PlatformB58 G29

Continue with Stage 1 Model Page

Tune selection

Choose Your Tune

Selected tuneStage 1

Price$500

Power target395-415 WHP / 420-455 WTQ

Next stepStart your order

B58TU compact-car Stage 1 guidance based on direct progression and related Cedar B58TU results.

Continue with Stage 1

Calibration details

Built For The 2026 BMW Z4 M40i

Cedar Performance calibrates this Z4 M40i by stage, fuel, hardware, ECU access, and the power goal selected with the order.

Stage optionsStage 1, Stage 2

Transparent pricingStage 1 $500, Stage 2 $500

B58 G29 calibrationCedar Performance builds the tune around the vehicle, fuel, hardware, and power goal selected for the order.

Cedar Dynojet benchmarks

Power Targets

Calibration	WHP	WTQ
STOCK Performance	330-360	315-375
Stage 1 CedarTUNE	395-415	420-455
Stage 2 CedarTUNE	425-455	455-505
Custom Flex/Dyno CedarTUNE	460-525+	500-575+

Questions

2026 BMW Z4 M40i Tune FAQ

What stages are available for the 2026 BMW Z4 M40i Tune?

2026 BMW Z4 M40i Tune options include Stage 1, Stage 2. Stage availability depends on the vehicle setup, fuel, and hardware selected for the order.

How much does the 2026 BMW Z4 M40i Tune cost?

Current listed pricing for the 2026 BMW Z4 M40i Tune is Stage 1 $500, Stage 2 $500.

Is the 2026 BMW Z4 M40i Tune for the B58 G29 platform?

Yes. This Cedar Performance product page is listed for the B58 G29 BMW Z4 M40i.

Ready to Tune Your Z4 M40i?

Your selected stage, vehicle, and setup path carry into the Cedar order form.

Continue with Stage 1 Browse Catalog